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Druck High Pressure Pneumatic Calibrator DPI 320/325 User Manual

1. O O On Off Key Hard Keys Function Soft Keys Figure 2 2 Typical Control Panel DPI 325 shown DISPLAY The instrument display basically divides into four distinct sections The two main sections of the display are used to display a Measurand input parameter and a Source output parameter The remaining sections are used as a Status display area and to define soft key functions A typical display is shown below e g Status display TASK BASIC E Low Battery Warning Measurand display A HL E LI INPUT V Source display c 00 OUTPUT OSI CURRENT PRESSURE Softboxes fme o MS KA266 Issue No 2 2 4 DPI 320 325 Pneumatic Calibrator User Manual HARD KEY FUNCTIONS Fig 2 2 This key is used to turn the instrument ON and OFF 2 6 The SETUP key provides access to the instrument s general configuration 3 34 parameters which are set up to certain default parameters on delivery The ZERO key can be used to zero either the selected measurand or source display if the display reading is within 5 of zero Attempts to zero a larger offset result in an error message Zero too large The INPUT key is used to select which measurand is displayed Not INPOT operational in BASIC mode The TASK key is used as a means of rapidly configuring the instrument for a number of different types of external device calibration There are twenty task configurations available eleven of which ar
2. TASK ADVANCED 24V OFF SNAPSHOT MODE MAXIMUM 40000 20000 3 Filter Process Function To apply the low pass filter to a selected measurand enable FILTER from the process menu and press F1 SETTINGS to provide access to the filter parameters Two settings are required Time to Settle and Band To examine the current filter settings and exit without change press the EXIT key The setup procedure is as follows SET FILTER SELECT VALUE SET FILTER SELECT VALUE TIME TO SETTLE 4 TIME TO SETTLE a TIME BR Seconds TIME 2 Seconds Q BAND MAX AMPLITUDE BAND MAX AMPLITUDE v OF NOISE TO BE OF NOISE TO BE FILTERED CHANGES FILTERED CHANGES GREATER THAN BAND GREATER THAN BAND BYPASS FILTER BYPASS FILTER BAND KEN rs BAND 1 5 FS CHANGE CHANGE VALUE VALUE 3 21 KA266 Issue No 2 Advanced Task O Flow Function To apply the flow function to a selected measurand enable FLOW from the process menu and press ENTER The square root symbol is displayed beside the measurand to indicate that the FLOW function is active e g TASK ADVANCED 24V OFF SNAPSHOT MODE To cancel FLOW press INPUT and turn function OFF at the process 20000 OSI O Span To convert a selected measurand display from a numerical value to a percentage of full scale reading enable SPAN from the process menu and press F1 SETTINGS to provide access to the span definition parameters Two span definitions are
3. Off function is similar to that detailed for the Backlight page 3 35 lf TIMER mode is selected following a period of inactivity the instrument will automatically power off after the preset TIMER period lf OFF is selected auto power off is inhibited and once switched on the instrument will remain ON until it is manually switched OFF Calibration Calibration routines are described in Section 5 KA266 Issue No 2 3 38 Date and Time Real Time clock Date Format DPI 320 325 Pneumatic Calibrator User Manual To set up the real time clock select DATE TIME from the set up menu and using the right arrow key set up the required date format as shown below e g SETUP STORE MODE SETUP CONTRAST SETTINGS DATE amp TIME BACKLIGHT DRY CELL LEVEL Set Date SELECT OPTION e O CHANGE FORMAT Q9 O FORMAT MULA A 4 07 18 00 06 20 27 DATE TIME CHANGE DATE FORMAT Select DATE from the DATE 8 TIME menu and change the date by means of the cursor keys as shown below The up down keys change the numerical value of the selected digit indicated by the underline cursor and the left right keys select the required digit position MM DD YY FORMAT DATE 06 20 27 TIME CHANGE DATE FORMAT Set Time SELECT OPTION 9 SET DATE MM DD YY 07 18 00 06 20 34 FORMAT DATE TIME Select TIME from the DATE amp TIME
4. e g CHANGE VALUE CALIBRATING CURRENT CALIBRATING CURRENT CALIBRATING CURRENT 2 RANGE 55 mA RANGE 55 mA RANGE 55 mA Apply nominal FS value Enter Applied Value Enter Applied Value gt Press ENTER key when applied value is stable H n SE 4 4 O CALIBRATING CURRENT CALIBRATING CURRENT RANGE 55 mA RANGE 55 mA RESULTS m 2 784670e 04 c 1 459980e 02 Applied Measured 0 0000 524293 54 984 704637 Calibration Complete Press ENTER to continue 6 Press the ENTER key to accept the calibration Press the EXIT key four time to quit the CALIBRATION and SETUP modes 7 Verify the calibration by applying the test currents given in Table 5 3 to the milliammeter 8 Disconnect the calibration test setup Current Output Range 24 mA The following procedure should be adopted for calibrating the current output range 1 Switch the calibrator on enter CALIBRATION mode and select INT RANGES from the CALIBRATION MENU as shown on Page 5 2 2 Select CURRENT OUT range for calibration as shown below CALIBRATION SELECT CAL OPTION PRESSURE INT O VOLTAGE IN gt CURRENT IN CURRENT OUT O TEMPERATURE 5 9 KA266 Issue No 2 Calibration Procedures 3 Connect a digital milliammeter to the calibrator as shown below Note During a current out calibration routine the 24V dc output is automatically turned on Measure the 10 full scale output current and enter the value measure
5. 2 3 4 l DPI 320 325 Pneumatic Calibrator User Manual Getting Started Typical Calibration Setup Pressure to Voltage Connect a unit under test to the instrument as shown below u Excitation 10V Generating Pressure General Procedure See also Figure 2 1 The following general test procedure applies to all tests carried out with DPI 320 or DPI 325 calibrators WARNING APPROPRIATE CARE MUST BE EXERCISED WHEN HANDLING HIGH PRESSURE PNEUMATIC EQUIPMENT 1 Check the Charge Pressure Gauge to ensure that the calibrator s internal gas cylinder contains sufficient internal charge to carry out the required test If necessary recharge as detailed on Page 3 2 2 Ensure that the Coarse pressure regulator is off fully counter clockwise Set the ball valve to Fine fully clockwise the volume adjuster to mid position and the purge valve to OPEN 3 Remove the plug from the required output port and connect the unit or system under test to the test port Check that the plug in the unused test port is fully tightened 4 Using the leads provided make all the required electrical connections e g as shown above for a Pressure to Voltage P to V test 5 Switch the calibrator ON see Page 2 4 6 Close the purge valve and Zero the display reading as detailed on Page 3 6 The calibrator a
6. 2304 Ku NES m e WA S A a p PRES e 7 4 Y Te Calibrator used as indicator Ball Valve set to Fine O Use the Up and Down v cursor keys to adjust the loop current to the required value Alternatively press ENTER and use cursor keys to enter a finite value Cursor keys can then be used to nudge the output either up or down If required change pressure units with the INPUT key Pressure Switch Tests P SWITCH Task max50V CAT II ruck e O TASK P SWITCH 24v OFF SNAPSHOT MODE i ZERC 55mA 1 mi CONTACT STATE e e e __ YAA mA Sink x SN LIS E 9 us c 9 yo N O O Eu eg Y 5 R aunt N ae E E mA out R 10V out 4 d nuun a SNA ee o CAE a W Qu 8 S lt Q yo O Press the TASK key and select P Switch O Connect pressure switch under test to DPI 320 325 as shown above O Contact state will be shown on display When contacts close buzzer sounds O To run switch test close vent valve and press the RUN F1 key 3 11 KA266 Issue No 2 Taking Measurements O Using the Coarse pressure control increase the applied pressure to just below the switch operating point Set the ball valve to Fine and slowly screw the volume adjuster in until the switch operates the operating pressure of the switch is then written to the display O Reduce pressure with volume adjuster until the switch releases
7. CAL OPTION PRESSURE INT a 5 VOLTS 4 CURRENT IN 9 v o v CURRENT OUT TEMPERATURE KA266 Issue No 2 5 6 DPI 320 325 Pneumatic Calibrator User Manual 3 Link the voltage input terminals with a short lead and enter the zero point as shown below e g SET VALUE CALIBRATING VOLTAGE CALIBRATING VOLTAGE CALIBRATING VOLTAGE RANGE 50V RANGE 50V RANGE 50V Apply nominal zero value Enter Applied Value Press ENTER key when applied value is stable BIN L L L CHANGE VALUE 4 Remove the shorting link from the voltmeter terminals connect the Vin terminals of the calibrator to a variable voltage source and connect a digital voltmeter across the source as shown below l max 50V CAT II O Cal V 55mA mA in max mA Sink DVM mA out E ol out J b Set the variable supply voltage to 50V 0 1V and enter the measured full scale voltage applied as shown below e g CALIBRATING VOLTAGE CALIBRATING VOLTAGE RANGE 50V CALIBRATING VOLTAGE RANGE 50V RANGE 50V Apply nominal FS value Enter Applied Value Enter Applied Value Press ENTER key when applied value is stable 0 0 DO DO E q 8 A CHANGE VALUE CALIBRATING VOLTAGE CALIBRATING VOLTAGE RANGE 50V RANGE 50V RESULTS m 1 395879e 05 c 7 128004e 00 Applied Measured 526380 873988 Calibration Complete Press ENTER to continue WES NO 6 Press the ENT
8. G3459 I P LOW 0 PSI VPHIGH 300 PSI AS LEFT TEST1 gt O P LOW 0 VOLTS C TEST2 v O P HIGH 10 VOLTS TEST5 MAXPRESS 12 POINTS 5 UP DOWN FILE 1 of 9 MAX ERROR 0 1 SPAN DATE 04 11 99 TIME 10 18 ERASE RUN REVIEW TF 2 Use the cursor keys to select either the AS FOUND option or the AS LEFT option for display AS FOUND is the result of the first run of a procedure and AS LEFT is the result of the last time the procedure was run Procedure data files can be displayed either as text stored screens or in graphical form To display as text select the TEXT option F1 from the directory and proceed as follows from the File Summary menu Select AUTO STEP F1 to automatically review each screen at 1 second intervals or use the left and right cursor keys to manually review FEEDPRESS11 TASK P V 24V OFF MANUAL REVIEW DATA LOG a USER ID CLIFF SERIAL No 99127007 gt mA RESULTS FAIL MAX PRESS 20 POINTS 5 UP DOWN MAX ERROR 0 1 SPAN si REVIEW TRANSMIT DATA POINT LOGGED DATA FILE 1 OF 10 To transmit the selected logged data via the RS 232 interface connect the instrument to a free port on an external PC ensure that the instrument s RS 232 parameters match those of the PC Example 2 page 3 40 shows a typical uploaded Procedure results file To display logged data in graphical form on screen select GRAPH F2 from the directory and proceed as follows e g DIRECTORY AS LEFT KA
9. THE MAXIMUM WORKING PRESSURE IS MARKED ON THETRANSDUCER S BODY External Transducer Connector External L N j External Transducer O Press the TASK key and select the P P task Providing the external transducer has been calibrated and its parameters stored in the instrument the display will show External pressure in the input window and calibrator Output pressure in the output window If an error message NO SENSOR OR CAL INVALID is displayed this indicates that the external transducer has not been entered and or calibrated with the instrument Refer to Page 5 3 for details of adding an external transducer If an external transducer change is made switch the calibrator off and then on to load new transducer data If required select the input and output units as described on page 3 7 If required turn on Cal Mode DPI 325 models only and set up the test parameters as detailed on page 3 8 Note Match pressure ranges to give required accuracy and avoid overpressure If external pressure is required as the output and internal pressure the input use ADVANCED mode for this setup KA266 Issue No 2 3 10 i DPI 320 325 Pneumatic Calibrator User Manual Taking Measurements Current to Pressure Converter l P Task B SS E l 24V l Control Loop TASK I P 24V ON SNAPSHOT MODE Vin 8304
10. Task ooncconnccccccccncccnnconnconnconconncnonononononnnnnnnnnnnnnonnnonnnnnnnnonnnnnnnnss 3 9 Pressure Converter Pressure to Pressure Task oocooncccccccccnococnconnconnononnoncnnnononnnnonnnonnrnonnnnnannnnnnonanenanoss 3 10 Current to Pressure Converter I P TasSk cooocccocccccncconnconnoconococnonononannnnnnonononnnonnnnnnnnnnnnonnnonannnnnnnenaninos 3 11 Pressure Switch Tests P Switch Task oocccconccocccccnoconocoonoconononnonononanonnnnonanonnnnnnnnnnnonnnnonnnnnnnnnnnnnenannnnnns 3 11 Pressure Switch Tests with Contact Resistance Measurement occcconcncnncnncncononcnconononnnnnonnncnnaronnnncnnnnnnnnnss 3 12 Pressure to Display P Display Task cccccccscccsseeceeeceeccececeeeseecsaeeseueesueeseueseeesseeeaueeseeesaueeseeeeseeesaneess 3 13 Leak Tests Leak Test TASK tou Ee lios 3 14 Contd iii KA266 Issue No 2 CONTENTS contd Transmitter Simulator TX SIM TaSk oooccconnccccccccncccnoconcconnconconnnnonononnnnnnnnonnnnnnnnnnnnnnnnnnnnnrnnnnnnnnonnnnnnnnonans 3 16 Relief Valve Test REL VALVE Task essseesseesssesseeeeeee nennen nennen nnn nnn nnns nsa rr nna isis n snas ases rna sns 3 17 Advanced Task A Meet rp DER TERENTIA OS 3 18 Selec NDU Mee rc c e 3 18 Ambient Temperature Measurement ccccccccccecceecceeeceeeceecceeccuecaeecuecsaeecueceueseeeseecueceeesesesaeesaeeneeesaes 3 18 P
11. by pressing either the INPUT or OUTPUT keys as shown below The output key also provides the facility of turning the 24V output supply ON and OFF When not in use the 24V supply output should be turned OFF to conserve battery power Set Units SELECT SELECT FUNCTION SELECT UNITS SELECT UNITS FUNCTION a OF PRESSURE O OUTPUT O MMS O inHg 9 gt 24 VOLT OFF inH O O ftH 20 Note If the four units displayed are not the units required press SETUP select SETTINGS and refer to Page 3 37 Set 24 Volts ELECT ON OFF SELECT OUTPUT SELECT FUNCTION SE Ee UP SELECT ON O 1 O_O 2 output C 3 7 KA266 Issue No 2 Task Selection Cal Mode DPI 325 Models Only Cal mode which is available in tasks P I P P P V P P P DISPLAY and P SWITCH provides a method of setting up test parameters manually Downloaded test procedures can also automatically set up and turn on the Cal Mode function The method of turning on and setting up Cal Mode is shown below for a P task The method is similar for all the other tasks to which Cal Mode applies TASK P I DATALOG psi mA SELECT VALUE DATALOG IBaBac z mA OUTPUT 4 00 O 2000 9 Oo LINEAR MAX ERROR 0 0595 v ERROR TYPE 96 span psi TURN ON CHANGE HM NN Pressing the F2 key TURN ON CAL MODE provides the set up screen for the CAL mode Initially the cursor is placed in the UUT SPAN field to allow the desired span range to be entered The correspon
12. e Dd sinner vasa ab rd COR sex ras Qsodub rfitirs Manius 5 3 Add External Sensor aea eco Ea escaso cnius radii ti Du eR etuer Lied 5 3 Calibrate Internal Range Susa eiii 5 4 Press Ulla 5 4 Voltage InputBange S Voltaire cd 5 5 Voltage Input Range 50 VONS asii Gidictte tua it cabal ongte horde turc uS iota Sixto pn One a 5 6 Curent input Range 59 MA laica cias 5 8 Current Output Range 24 mA iiio a as 5 9 Ambient Temperature Channel zac dd ud cta edis die Qus 5 12 Calibrate External Range S rancia 5 13 A A et alo E 5 13 contd V KA266 Issue No 2 Table of pressure units and conversion factors Pascals Pressure Factor Pressure Factor unit Pascals unit Pascals bar 100000 3386 39 6894 76 inH O 1 249 089 9806 65 ftH O 1 2989 07 9 80665 inH O 2 248 64135 98 0665 ftH O 2 2983 6983 N m 1 ftH O sea 3069 774 sg 1 027 kPa 1000 mH O sea 10071 4295 sg 1 027 MPa 1000000 ftH O sea 3073 062 sg 1 0281 torr 133 322 mmH O sea 10082 2168 sg 1 0281 Ibf ft 47 8803 Unit Conversion To convert FROM pressure VALUE 1 in pressure UNITS 1 TO pressure VALUE 2 in pressure UNITS 2 calculate as follows VALUE2 VALUE 1 x FACTOR 1 FACTOR 2 Notes The conversion factor for pressure units referenced 1 are calculated for a water temperature of 4 C Pressure units referenced 2 are calculated for a water temperature of 68 F these units are normally used in the USA The sea water conversion factors are cal
13. i TEMP Enter applied value Enter Applied Value CALIBRATING AIR TEMP CALIBRATING AIR TEMP 10 to 40 C 10 to 40 C RESULTS m 2 49000e 04 c 1 359980e 02 Applied Measured 20 5 623298 Calibration Complete Press ENTER to continue 4 Press the ENTER key to accept the calibration Press the EXIT key once to return to the calibration menu or four times to quit the CALIBRATION and SETUP modes KA266 Issue No 2 5 12 DPI 320 325 Pneumatic Calibrator User Manual Calibrate External Ranges Pressure The following procedure should be adopted for calibrating external pressure ranges 1 Connect the required external transducer to the EXT TRANSDUCER socket 2 Allow the calibrator s temperature and the temperature of the external transducer to stabilize in the calibration environment for a minimum of 1 hour 3 Switch the calibrator on enter CALIBRATION mode and select EXT SENSORS from the CALIBRATION menu as shown below CALIBRATION SELECT CAL OPTION INT RANGES 2 O CHANGE PIN v 4 Select the transducer to be calibrated from the transducer menu using the cursor keys and pressing ENTER as shown below EXT SENSORS SELECT CAL OPTION SERIAL NO RANGE TYPE psi 1086002 2000 0 s 1044727 35000 g gt 1106751 2000 a 1211138 35000 g v If the sensor to be calibrated is not in the directory or no sensors are listed in the directory press the F1 key ADD NEW SENSOR This stores the sensor in the d
14. log each point e g TASK P DISPLAY 24V OFF TASK P DISPLAY 24V OFF ENTER VALUE TASK P DISPLAY 24V OFF LOG FILE A1 LOG FILE A1 LOG FILE A1 WEN 0200 oo 0200 DISPLAY 2000 2000 D mec c LLL psi psi LOG STOP Re EL C A 1 O After logging final test point terminate as follows e g FINAL POINT TASK P DISPLAY 24V OFF LOG FILE A1 8430 STORE o OSI SOGI NOW LOGGING KA266 Issue No 2 3 14 l DPI 320 325 Pneumatic Calibrator User Manual Taking Measurements Leak Test LEAK TEST Task EXTERNAL SYSTEM e DPI 325 esve TASK LEAK TEST 24V OFF ZERO Q SNAPSHOT MOD INPUT SET UP mm Ue e i NN O TASK pd quunt E al START PRESS an oe STOP PRESS CEA oureur PRESS CHANGE LEAK RATE STORE RECALL O If required use the INPUT key to change the pressure units O Set up the leak test WAIT and DURATION times to the required values as shown below A minimum wait period of 5 minutes is recommended TASK LEAK TEST 24V OFF TASK LEAK TEST 24V OFF SNAPSHOT MODE SET WAIT TIME SNAPSHOT MODE SET DURATION a 4030 o WAIT WAIT DURATION DURATION START PRESS i START PRESS v STOP PRESS STOP PRESS PRESS CHANGE PRESS CHANGE LEAK RATE LEAK RATE CHANGE RUN CHANGE RUN we E me Te SS O Use
15. menu and change the time by means of the cursor keys as shown below The up down keys change the numerical value of the selected digit indicated by the underline cursor and the left right keys select the required digit position MM DD YY 07 18 00 FORMAT DATE TIME CHANGE DATE FORMAT SELECT OPTION 0_0 3 39 SET TIME 9 MM DD YY 07 18 00 06 20 52 FORMAT DATE TIME KA266 Issue No 2 Example 1 Uploaded Datalog File The following gives details of a typical data file upload FILENAME TEST 5 DATE 05 11 1999 TIME 15 58 TRIGGER KEYPRESS AMBIENT TEMP 24 1C NO OF POINTS 11 HECORD TYPE 2048 CURRENT PRESSURE mA INT psi 3 902 1 16 0 65 05 11 1999 15 58 55 6 076 335 18 1 42 05 11 1999 16 00 03 7 998 638 75 0 47 05 11 1999 16 00 57 8 085 728 52 0 41 05 11 1999 16 01 45 9 949 1081 37 0 94 05 11 1999 16 02 42 13 002 1638 90 0 23 05 11 1999 16 03 30 17 005 2335 40 0 77 05 11 1999 16 05 00 17 66 2481 01 0 51 05 11 1999 16 06 07 17 812 2481 02 0 80 05 11 1999 16 07 49 18 532 2605 60 1 00 05 11 1999 16 16 35 20 007 2931 50 1 02 05 11 1999 16 18 23 The Record Type number contained in the header is a 16 bit field with the individual bits representing result formats as detailed below Record Type 1 P Display Record Type 2 Switch Test Record Type 4 Leak Test Record Type 8 Input channel Min Max ON Record Type 120 Combination of all input process functions
16. pressed either F1 for the left hand soft box or F2 for the right A typical diagram is shown below e g i PRESSURE O causat m 9 Q 20000 CURRENT PRESSURE q n UNITS In the above diagram the following key sequence is indicated a Press the F2 key the key immediately below the PRESSURE UNITS soft box b Use the Up and Down cursor keys only to select the required option If all keys shaded use all these keys to select or enter data c Press the ENTER key 2 1 KA266 Issue No 2 Summary of Functions Key Symbols The following key symbols are used in the procedure diagrams which follow SELECT VALUE O Shaded cursor keys indicate that a combination of these four keys Up Down Left and O Q Right should be used to e g enter an alpha numeric value or to select a function Indicates the ENTER key Used to confirm an operation or a selection Shading indicates key operation Exit key used to clear current menu selection and return to next menu level above EXI current level Used as an escape key from current operation Shading indicates key operation RECALL O Hard key total 7 Legend beside key symbol indicates function Shading indicates key operation Maximum Instrument Ratings The following table shows the maximum measurement input ratings of the instrument which should not be exceeded PRESSURE 120 FULL SCALE VOLTAGE 50 V d c CURRENT 55 mA d c Notes 1 T
17. pressure systems over the range O to 3000 psi The calibrators are also capable of sourcing and sinking an external current loop up to a maximum output current of 24 mA and measuring dc voltages of 50V and dc currents of 55 mA Ambient temperature measurement is also provided DPI 32X series calibrators are powered by an internal rechargeable Nickel Cadmium battery pack An external power supply charger is provided and all instrument versions have an RS232 interface Pneumatic Controls Figure 1 Control Panel In the procedures outlined in this section hard fixed function and soft variable function key operations are shown in bold type e g TASK and F1 These statements mean press the TASK key and press the F1 key Soft key operations can be allocated to both the F1 and F2 keys Where a specific soft function is referred to it is written in bold italics e g PROCESS Unless otherwise indicated the following procedures apply to both the DPI 320 and DPI 325 models Modes and Procedures This instrument has a number of operating modes which are described in simplified form in the following sections Diagrams accompanying the procedures give typical selection sequences and shaded controls indicate that this control key should be pressed in the appropriate sequence Diagrams should be read from left to right top to bottom where appropriate A shaded display soft box indicates that the function key immediately below that soft box should be
18. required Zero and Full Scale To leave span at current setting press EXIT To define zero and full scale settings proceed as follows SELECT VALUE SELECT VALUE SET SPAN SET SPAN DISPLAY VALUE 4 DISPLAY VALUE 4 0 m O gt 0 0 000 O gt 100 E _ 100 50 000 ENTER A VALUE OR ENTER A VALUE OR PRESS F2 TO SELECT PRESS F2 TO SELECT PRESENT READING EXIT PRESENT READING EXIT TO QUIT WITHOUT CHANGE CHANGE PRESENT VALUE READING TO QUIT WITHOUT CHANGE CHANGE PRESENT VALUE READING To cancel 9e SPAN press INPUT and turn function OFF at the process menu KA266 Issue No 2 3 22 DPI 320 325 Pneumatic Calibrator User Manual Advanced Task Select Output To select an output channel for display select ADVANCED mode from the Task menu and proceed as follows If a channel has a range of units available a UNITS soft box actioned by the F2 function key will be also be written to the display The following procedure shows the method of output channel selection Note that there are two pages of options The second page can be obtained directly from the first by pressing the RIGHT cursor key SELECT OUTPUT SELECT OUTPUT SELECT OUTPUT PRESSURE INT O PRESSURE EXT O NO OUTPUT 24 VOLT OFF OUTPUT O mA STEP O mA RAMP mA VALUE Note Left right arrow keys function as page up down keys To change the output units Pressure channels only select the channel with the cursor keys and p
19. the Right gt cursor key again followed by ENTER to switch on the 24V supply For current sinking applications connect an external supply as shown on Page 3 23 and leave the 24V internal supply switched OFF Note To conserve battery power keep the 24V supply switched off when not in use even if the output is unloaded O Press RUN F1 to run program A flashing status display CHECK LOOP indicates a fault in the external loop i e supply fault or open circuit Note The dwell time at each step is approximately 10 seconds O Press STOP F1 when running to stop at any point Press RUN F1 to resume KA266 Issue No 2 3 24 DPI 320 325 Pneumatic Calibrator User Manual Advanced Task mA Ramp Press the OUTPUT key and select mA Ramp in a similar manner to that shown above O Define ramp required by entering START and END current values as shown below e g TASK ADVANCED 24V OFF TASK ADVANCED 24V OFF SNAPSHOT MODE SNAPSHOT MODE 8304 8304 SR START START 0000 0000 9 mA mA O To turn on the 24V supply for current sourcing applications press the OUTPUT key followed by the Right cursor key and select 24VOLT Use the Right gt cursor key again followed by ENTER to switch on the 24V supply For current sinking applications connect an external supply as shown on Page 3 23 and leave the 24V internal supply switched OFF O Press START F1 to run the program A status display CHECK LOOP indic
20. 0 004 FS 0 05 rdg 0 004 FS 0 05 rdg 0 004 FS 0 05 rdg 0 004 FS ES NENNEN 0 05 rdg 0 00496 FS 0 05 rdg 0 00496 FS 0 05 rdg 0 00496 FS 0 05 rdg 0 00496 FS 0 05 rdg 0 00496 FS 0 05 rdg 0 00496 FS 0 05 rdg 0 00496 FS Table 5 3 Electrical Current Input Calibration Tolerances Current Output Calibration 24mA Range Verification Tolerances 0 05 rdg 0 01 FS 0 05 rdg 0 01 FS 0 05 rdg 0 01 FS 0 05 rdg 0 01 FS 0 05 rdg 0 01 FS 0 05 rdg 0 01 FS 0 05 rdg 0 01 FS 0 05 rdg 0 01 FS 0 05 rdg 0 01 FS Table 5 4 Current Output Calibration Tolerances KA266 Issue No 2 5 16
21. 266 Issue No 2 3 34 DPI 320 325 Pneumatic Calibrator User Manual Using Setup General SETUP mode is available in all modes except BASIC It permits the setup of the following instrument parameters e Backlight Management On Off and Timed e Store Mode None Snapshot Data Log e Contrast 9 Date and Time Real Time Clock e Instrument Settings Units Language RS232 parameters Powerdown and Calibration Routines Hefer to Section 5 for Calibration details Backlight Select Backlight from the Setup menu and proceed as follows BACKLIGHT SELECT OPTION BACKLIGHT SELECT PERIOD MODE OF OPERATION MODE OF OPERATION OFF TIMER TIMEOUT 10 Seconds gt TIMEOUT 10 Seconds gt BACKLIGHT WILL TURN v BACKLIGHT WILL TURN v OFF AFTER TIMEOUT OFF AFTER TIMEOUT PERIOD OF INACTIVITY PERIOD OF INACTIVITY ONLY VALID IN TIMER MODE OF OPERATION ONLY VALID IN TIMER MODE OF OPERATION CHANGE gt CHANGE VALUE VALUE BACKLIGHT BACKLIGHT SELECT VALUE BACKLIGHT MODE OF OPERATION MODE OF OPERATION MODE OF OPERATION TIMER TIMER TIMER TIMEOUT KT Seconds TIMEOUT gt EXIT TIMEOUT BACKLIGHT WILL TURN BACKLIGHT WILL TURN BACKLIGHT WILL TURN OFF AFTER TIMEOUT OFF AFTER TIMEOUT OFF AFTER TIMEOUT PERIOD OF INACTIVITY PERIOD OF INACTIVITY PERIOD OF INACTIVITY ONLY VALID IN TIMER MODE OF OPERATION ONLY VALID IN TIMER ONLY VALID IN TIMER MODE OF OPERATION MODE OF OPERATION CHA
22. 3 3 Getting Started Grange Presse UNIS ci Aral 3 4 Voltage and Current Measurements ccooccccnccccccnnccncncconnnononnonnnnonoronnnnnnnnnnnnnnnnnnnnnnnnnnnnnrnnnnnnnnnnnnnnnrenaninenannnss 3 4 Typical Calibration Setup Pressure to Voltage ccooccoocccocnccocncccncoonccnnnnnnnonononnnononnnonnnnnnnnnnnonanonnnnnenaninos 3 5 Generating Pressure General ProCeure ccccccccesccceeeecescecececceeceauseneucessusecsauecsueeecueessueesseeesssaseessases 3 5 Zoro DISDIAY RO ATA ista M nM 3 6 Task Selection Eis ll 3 7 USNO TASK EUDCHO Stan abia eii droits 3 7 SEUS EET 3 7 Sera VOS a T eee 3 7 Cal Mode DELI OO a o to o 3 8 Basie Mode aids 3 8 Taking Measurements Pressure Transmitter Pal Task TT 3 9 Voltage Output Pressure Transmitter P V Task ooncconnccccccccncccnnccnncocnconnnoncnonononononnnnnnnonnnnonnnonnnnannonannnnnns 3 9 Pressure Converter Pressure to Pressure Task ocooocccocccccncconnconnooonononnonnnonannonnnonnnonnnnonnnonanonarnonanenaness 3 10 Current to Pressure Converter I P TasSk cooocccoccoccnoconcconncconoconnocononancnnnnononononnnnnnonnnnnnnnonnnonannnnnnnnaninns 3 11 Pressure Switch Tests P SWItCA Task lt td ud ade 3 11 Pressure Switch Tests with Contact Resistance Measurement c ooccoccccncncocccocnccnnncncnonanononocnnnnonnconnnnnnnnnnnos 3 12 Pressu
23. Druck High Pressure Pneumatic Calibrator DPI 320 325 User Manual KA266 OPERATING INSTRUCTIONS DPI 320 325 Pressure Calibrator QURCE S SER BS COARSE PRESSURE Druck Incorporated 2001 This document is the property of Druck Incorporated and may not be copied or otherwise reproduced communicated in any way to third parties nor stored in any Data Processing System without the express written authority of Druck Incorporated Druck Inc 4 Dunham Drive New Fairfield Connecticut 06812 U S A Tel 203 746 0400 Fax 203 746 2494 E mail usa sales druck com Internet www druck com KA266 Issue No 2 KA266 Issue No 2 DPI 320 325 Pneumatic Calibrator User Manual Introduction This technical manual provides operating instructions for the DPI 320 and DPI 325 Portable Pneumatic Pressure Calibrators compatible with the requirements of line operation This manual is divided into the following sections Section 1 Introduction and Description Section 2 Summary of Functions Section 3 Operation Section 4 Routine Maintenance Section 5 Calibration Illustrations contained in each section are used to show keypress and display sequences used for carrying out a procedure or setting These illustrations should only be considered as typical examples since they are application specific and will depend upon the way in which the instrument is set up by the user i e they cannot be considered as definitive WARNING
24. ER key to accept the calibration Press the EXIT key four times to quit the CALIBRATION and SETUP modes 7 Verify the calibrator calibration by applying the test voltages given in Table 5 2 to the voltmeter after both voltage ranges have been calibrated 8 Disconnect the calibration test setup 5 7 KA266 Issue No 2 Calibration Procedures Current Input Range 55 mA The following procedure should be adopted for calibrating the current input range 1 Switch the calibrator on enter CALIBRATION mode and select INT RANGES from the CALIBRATION MENU as shown on Page 5 2 2 Select CURRENT IN range for calibration as shown below CALIBRATION SELECT CAL OPTION PRESSURE INT 2 VOLTAGE IN Qo v CURRENT OUT TEMPERATURE 3 Open circuit the mA in terminals and enter the zero point as shown below CALIBRATING CURRENT CALIBRATING CURRENT CALIBRATING CURRENT RANGE 55 mA RANGE 55 mA RANGE 55 mA Apply nominal zero value Enter Applied Value Press ENTER key when applied value is stable BIN L O O CHANGE LOS E o 4 Connect the mA in terminals of the calibrator to a variable current source and connect a digital milliammeter in series with the supply as shown below MILLIAMMETER l max 50V CAT Il 2 o gt N KA266 Issue No 2 5 8 DPI 320 325 Pneumatic Calibrator User Manual 5 Set the input current to 55 0 1 mA and enter the measured full scale input current as shown below
25. GE 3000 0 psi g Apply nominal FS value Enter Applied Value Enter Applied Value Press ENTER key when applied value is stable g 88 E J O O po CALIBRATING PRESSURE INT CALIBRATING PRESSURE INT RANGE 3000 0 psig RANGE 2000 0 psig RESULTS m 2 784670e 04 c 1 459980e 02 Applied 704637 Calibration Complete Press ENTER to continue 9 Press the ENTER key to accept the calibration Press the EXIT key four times to quit the CALIBRATION and SETUP modes 10 Check calibration by applying test pressures detailed in Table 1 Page 5 15 KA266 Issue No 2 5 4 DPI 320 325 Pneumatic Calibrator User Manual Voltage Input Range 5 Volts The following procedure should be adopted for calibrating the internal 5 Volt range 1 2 3 4 Switch the calibrator on enter CALIBRATION mode and select INT RANGES from the CALIBRATION MENU as shown on Page 5 2 Select 5V range for calibration as shown below CALIBRATION SELECT CAL OPTION SELECT RANGE SELECT CAL OPTION PRESSURE INT O 2 OQ 50 VOLTS OQ CURRENT IN v CURRENT OUT TEMPERATURE CALIBRATING VOLTAGE CALIBRATING VOLTAGE CALIBRATING VOLTAGE RANGE 50V RANGE 50V RANGE 50V Apply nominal zero value Enter Applied Value Press ENTER key when applied value is stable Hemove the shorting link from the voltmeter terminals connect the Vin terminals of the calibrator to a variable voltage source and connect a digital voltmeter acro
26. GING ueisseisestarenicspassunen fetus sunt ep si eta giu e aio 1 7 Returned Materials Procede Ra d ra este 1 8 Illustrations Figur t 1 General VIEW p ES 1 1 Fig re 1 2 Pneumatic System Sohlelmallo uq con in oper ese E tai 1 5 Figure 1 3 Electrical System Schematic 1 i KA266 Issue No 2 KA266 Issue No 2 DPI 320 325 Pneumatic Calibrator User Manual Introduction and Description Introduction The DPI 32X series comprises a range of rugged portable precision high pressure pneumatic calibrators Two versions are available the standard model DPI 320 and the fully documenting version DPI 325 The calibrator uses integral pneumatic components to generate pressure over the range O psi to 3000 psi The calibrator is also capable of providing electrical current and voltage to excite external devices and measuring D C voltages D C currents and ambient temperatures DPI 32X calibrators are powered by an internally mounted rechargeable Nickel Cadmium battery pack An external power supply adapter charger is provided and all calibrator versions have an RS232 interface OPERATING INSTRUCTIONS DPI 320 325 Pressure Calibrator CORRSE PRESSURE Figure 1 1 General view 1 1 KA266 Issue No 2 Introduction and Technical Description Specification Pressure range O
27. IV 1 is used to to isolate the gas cylinder from the instrument When a connection is made to the charging port and a high pressure supply Air or Dry Nitrogen Only is applied the check valve CV 1 opens allowing the gas cylinder GB 1 to charge via IV 1 to the same pressure as the incoming supply A pressure relief valve PRV 1 protects the gas cylinder from overpressure by venting if the incoming supply or the gas cylinder pressure exceeds the maximum charge pressure of the instrument refer to charge port label The high pressure charge complete the charge supply can be turned off and disconnected With no pressure on the input side of the charge port or a pressure lower than that of the gas cylinder check valve CV 1 is closed locking the gas cylinder supply into the calibrator The charge pressure of the gas cylinder pressure available for testing is indicated by pressure gauge PG 1 On the output side of the calibrator a manually operated self venting regulator REG 1 provides a coarse means of setting the output pressure The unit under test UUT is connected to one of the test ports the other usually being capped off If required the second test port can be connected to a second UUT for simultaneous testing A manually operated normally closed purge valve PV 1 is located between the two test ports This valve allows the user system and calibrator to be vented prior to any tests being carried out thereby preventing an e
28. Log Files To recall a datalog file to the display ensure that DATALOG is selected from the SETUP menu and proceed as follows e g FEEDPRESS11 RECALL G3459 TEST1 TEST2 SELECT FILE FILE SUMMARY FILE SUMMARY 2 FILE NAME TESTS FILE NAME TESTS DATE 11 21 01 DATE 11 21 01 gt TIME 15 58 TIME 15 58 TRIGGER KEYPRESS TRIGGER KEYPRESS v v FILE SIZE 886 bytes FILE SIZE 886 bytes TESTS FILE 1 of 9 DATE 11 21 01 TIME 10 58 ERASE TEXT GRAPH REVIEW TRANSMIT Data Log files can be displayed either as text stored screens or in graphical form To display as text proceed as follows from the File Summary menu Select Auto Step to automatically review each screen at 1 second intervals or use the left and right cursor keys to manually review FILE NAME DATE TIME TRIGGER FILE SIZE 15 58 TEST5 O 11 21 01 4807 mA gt KEYPRESS 886 bytes v REVIEW TRANSMIT AUTO DATA POINT LOGGED DATA FIEE STEP 1 OF 11 To display logged data in graphical form on screen proceed as follows from the File Summary menu e g FILE SUMMARY SELECT GRAPH AXES FILE NAME TEST5 2 DATE 11 21 01 TIME 15 58 TRIGGER KEYPRESS FILE SIZE 886 bytes TEXT GRAPH KA266 Issue No 2 psivt mA v psi gt Error v psi v DPI 320 325 Pneumatic Calibrator User Manual Memory Operations Uploading Data Log Files Connect the RS232 socket of the instrument into either the COM1 or COM2
29. NGE CHANGE 3 SAVE CHANGES VALUE VALUE If TIMER mode is selected any key press brings on the backlight for the TIMER period If ON is selected the backlight remains on permanently and if OFF is selected the backlight remains permanently off 3 35 KA266 Issue No 2 Using Setup Contrast Select CONTRAST from the Setup Menu and proceed as follows SELECT OPTION SELECT LEVEL SETUP STORE MODE 4 4 9 CONTRAST 9 SETUP O SETTINGS O O DATE amp TIME BACKLIGHT Lc CU Store Mode Select STORE MODE from the Setup menu and select required mode as follows SETUP STORE MODE SELECT OPTION O SETUP CONTRAST NONE O O C SETTINGS SNAPSHOT DATE amp TIME DATA LOG v BACKLIGHT Settings Select Setup Option To select one of the Settings options from the Setup menu proceed as follows SELECT OPTION SELECT OPTION SETUP SETTINGS STORE MODE 4 TTIE a SETUP CONTRAST 9 LANGUAGE O O SETTINGS v RS232 v DATE amp TIME POWERDOWN CALIBRATION BACKLIGHT DRY CELL LEVEL KA266 Issue No 2 3 36 DPI 320 325 Pneumatic Calibrator User Manual Using Setup Units Select pressure Units from the Settings menu and proceed as follows SELECT UNIT SELECT SELECT UNIT SELECT TO REMOVE REGULAR UNITS TO ADD REGULAR UNITS Ib ft inH20 inH2020 mbar Ib ft inH2O inH2O 9 mbar ftH20 ftH20 20 ftH20 99 EN Le ftH20 ftH20 7 Define Special Units Selec
30. ON Proceed as follows e g SELECT OUTPUT SELECT OUTPUT OUTPUT O c 00 D E VOLTAGE V gu O D PRESSURE INT V O PRESSURE EXT 90 24V OFF mA STEP v 0000 mA RAMP a L 0 D a NEW VALUE vave isfR B R PRESSURE INT psi mA VALUE y CURRENT Ea mA SNAPSHOT MODE TURN ON TASK CO2INLET Hag 24 VOLT 9 Set the loop output current to 5 mA as shown below and check that the output current measured on the milliammeter standard is within the limits given in Table 5 4 SET LEVEL V oe CURRENT BET mA F 24 VOLT 0000 0000 EET LI CURRENT MI mA CURRENT BET mA 24 VOLT 24 VOLT i 10 Repeat 9 for all output values given in Table 5 4 5 11 KA266 Issue No 2 Calibration Procedures Ambient Temperature Channel The following procedure should be adopted for calibrating the ambient temperature measurement channel 1 Switch the calibrator on enter the CALIBRATION mode and select TEMPERATURE as shown below CALIBRATION SELECT CAL OPTION PRESSURE INT O VOLTAGE IN Q CURRENT IN CURRENT OUT TEMPERATURE 2 Allow the calibrator s temperature to stabilize in the calibration environment for at least one hour 3 Read the environmental temperature on a calibrated digital thermometer and enter the recorded value as shown below Example shown for a measured ambient temperature of 70 5 degrees Fahrenheit Note Only one temperature point is required ame UC eu TEMP ww
31. Record Type 896 Combination of all output process functions Record Type 1024 Record Type 2048 Record Type 4096 Record Type 8192 Record Type 16384 mA step mode mA value mode mA ramp mode no input selected no output selected KA266 Issue No 2 3 40 DPI 320 325 Pneumatic Calibrator User Manual Example 2 Uploaded Procedure Data File DPI 325 Calibrators only The following gives details of a typical data file upload FILENAME TEST 5 DATE 05 11 1999 TIME 15 58 TRIGGER KEYPRESS AMBIENT TEMP 24 1 C NO OF POINTS 11 RECORD TYPE 0 CURRENT mA PRESSURE INT psi 3 902 6 076 7 998 8 085 9 949 13 002 17 005 17 766 17 812 18 532 20 007 1 16 335 18 638 75 128 52 1081 37 1638 90 2335 40 2481 01 2481 02 2605 60 2931 50 0 65 span PASS 1 42 span FAIL 0 47 span PASS 0 41 span PASS 0 94 span PASS 0 23 span PASS 0 77 span PASS 0 51 span PASS 0 80 span PASS 1 00 span PASS 1 02 span FAIL 05 11 1999 05 11 1999 05 11 1999 05 11 1999 05 11 1999 05 11 1999 05 11 1999 05 11 1999 05 11 1999 05 11 1999 05 11 1999 15 58 55 16 00 03 16 00 57 16 01 45 16 02 42 16 03 30 16 05 00 16 06 07 16 07 49 16 16 35 16 18 23 The Record Type number contained in the header is a 16 bit field with the individual bits representing result formats as detailed below Record Type 1 Record Type 2 Record Type 4 Record Type 8 Record Type 120 Record Type 896 Record Type 1024 Record Type 2048 Re
32. Rese Druck D v o E 22 Seed a e Y oon pst io A US E is yO O O If required select the output units as described on page 3 7 O If required turn on Cal Mode and set up the test parameters as detailed on page 3 7 Voltage Output Pressure Transmitter P V Task Select the P V task from the task menu and connect the Unit Under Test UUT to the calibrator as shown below Voltage output transducers with a 10 volt supply and outputs of 50V can be calibrated Use the 10V output sockets to supply the transducer and connect its output to the voltmeter The test method is similar to that shown above mA Sink ut Excitation 10V RECALL O Cri O 3 9 KA266 Issue No 2 Pressure Converter Pressure to Pressure Task Select the P P task from the task menu and connect the Unit Under Test UUT to the calibrator as shown below Testing a converter requires one pressure to be applied to the unit under test UUT and another converter output to be measured The additional measurement is provided by the external transducer option Method O Connect the UUT to the calibrator as shown below and plug the external transducer into the calibrator as shown below WARNING DO NOT OVERPRESSURE THE EXTERNAL TRANSDUCER
33. Sono o Een Sit Enea come rl Condes sale uua ce tona os taic eso uocum te Ser us lead 3 41 Illustrations Figure 3 1 Calibrator Gas Cylinder Charlie A AAA 3 2 Figure 3 2 Calibrator Charger Connection ccccoocnccononinonncncnononcnonanoconnonononanonnnncncnonanonnnnnnr nnne nnn nne EERE nnn nnn E 3 3 KA266 Issue No 2 3 il DPI 320 325 Pneumatic Calibrator User Manual Operation WARNINGS 1 BEFORE APPLYING PRESSURE MAKE SURE ALL CONNECTIONS ARE CORRECT AND EQUIPMENT IS INTERNALLY CLEAN AND FREE FROM DAMAGE 2 MAKE SURE THAT ALL EQUIPMENT IS TO THE CORRECT PRESSURE RATING 3 Do NOT EXCEED THE MAXIMUM OPERATING PRESSURE STATED IN THE SPECIFICATION 4 OBSERVE THE RELEVANT HEALTH AND SAFETY PRECAUTIONS 5 IF A PRESSURE SOURCE IS CONNECTED THIS MUST NOT EXCEED THE MAXIMUM PRESSURE OF THE CALIBRATOR THERE IS NO OVER PRESSURE PROTECTION BETWEEN THE TEST PORT AND THE INTERNAL TRANSDUCER Cautions ONLY FIT APPROPRIATE SEALS ON CONNECTIONS OBSERVE ABSOLUTE CLEANLINESS WHEN USING THIS UNIT DAMAGE CAN BE CAUSED IF EQUIPMENT CONNECTED TO THIS UNIT IS CONTAMINATED VOID PARTICULATE CONTAMINATION Supply Status Initially this equipment is supplied with the gas cylinder empty and the cylinder isolation valve set to CLOSED cylinder isolated A captive dust cap is fitted to the gas cylinder charging port and a 1 4 NPT plug is fitted into each of the output ports Both the charge and output pressure gauges should therefore be read
34. This calibrator contains a 122 cu in high pressure gas cylinder that requires special handling and operation Only personnel formally trained in pneumatic safety and the testing of high pressure systems and components should recharge or operate this equipment Safety The manufacturer has designed this equipment to be safe when operated using the procedures detailed in this manual The user must not use this equipment for any other purpose than that stated refer to page 3 1 This manual contains safety and operating instructions which must be followed to make sure of safe operation and to keep the equipment in a safe condition The safety instructions are either warnings or cautions issued to protect the user and the equipment from injury or damage Use suitably qualified technicians and good engineering practice for all procedures in this manual Pressure Do not apply pressure greater than the maximum safe working pressure stated in the specification Refer to Section 1 This product meets the essential requirements of the relevant EEC directives Technical advice For technical advice contact the manufacturer or subsidiary A qualified technician must have the necessary technical knowledge documentation special test equipment and tools to carry out the required work on this equipment i KA266 Issue No 2 ABBREVIATIONS The following abbreviations are used in this publication Note Abbreviations are the same in th
35. ale A A A Notsiueaaee Maeda ates nese bnew a a tame aed 0 001 mA A ING eec E 10 Q 50V maximum Temperature effects averaged and with respect to 20 C occoncccoccnccncncnncononcnonannnnnnnnnnos 0 007526 of reading C Temperature effects averaged and with respect to 68 F oocooccconcccnncononcncnonnnoncnnonenenanoss 0 004 of reading F Temperature andes mimar dd 15 F to 104 F 10 C to 40 C ciere E P pda 2 F 1 C ESO Miri ida 0 10 F 0 1 C Electrical outputs Voltage fio NN 10 V D C cies T 0 1 Maximum OG ets E E 10 mA maximum fio v e 24 V D C civelit M 5 MAIMU A Y 26 mA maximum KA266 Issue No 2 1 2 DPI 320 325 Pneumatic Calibrator User Manual Specification continued Current RINGS o PP e HS 0 to 24 mA D C ACCU IOI Mec RR o dpe a 0 05 reading A 0 01 full scale O OON MT P 0 001 mA Temperature effects averaged and with respect to 20 C oocconcccocccononncnccnnoncnnnannnnnnonnnos 0 0075 of reading C Temperature effects averaged and with respect to 68 F
36. arantee further performance KA266 Issue No 2 1 8 DPI 320 325 Pneumatic Calibrator User Manual CONTENTS Section 2 Summary of Functions Cai MR T T E OO OE E 2 1 auium 2 1 COn 16 rere Ua PNE et ee ERE T C 2 1 Modes and PrOCEQUES ui iia 2 1 ac Ew Y MIDI IS M 2 2 Calibrator Controls siii A td A A A ne 2 3 Calibrator Control Panel me iii 2 4 APA mr TE 2 4 Hara NOV FUNCIONS odotecisdi ua d05255322 05800 6023259208 1060000 a litis 2 5 Sedi x cT RD 2 5 CUS OU IK C EL o uo ER 2 5 Electrical Inputs and Our puts ceo ori oe toe na pue dt us seu asses aie adie dae oet Cu Ep te iUe 2 6 yo alla le ON me 2 6 Illustrations Figure 2 T s Calibrater CONTO Sii AAA a sets 2 3 Figure 2 2 Typical Control Panel DPI 325 Shown occccoccnccccnccccnccccnconccononcnnonnnnonnnnnnnnononnnonnnnnnnnnnnnnnnnnnnnnanennnnnos 2 4 Figure 2 3 Electrical Measurement Inputs Source Outputs oocccooccccnconcncnconcnonnanocncncnnnnnnnnnonnnnnonnnnonnronnnnnnnnnnenannns 2 6 Figure 2 4 Electrical System Connections ccccccecccceseccesecceneeceesecceuceceueeceucecsueessaeeeseucessueessaeeesegeeensneesseseesaees 2 7 2 i KA266 Issue No 2 KA266 Issue No 2 DPI 320 325 Pneumatic Calibrator User Manual Summary of Functions General The DPI 32X series calibrators are primarily used for calibrating transducers and
37. ates a fault in the external loop e supply fault or open circuit Note The ramp cycle min to max or max to min is approximately 60 seconds TASK ADVANCED 24V OFF TASK ADVANCED 24V OFF SNAPSHOT MODE SNAPSHOT MODE 0 000 8334 m O Press STOP F1 when running to stop at any point Press CONTINUE F1 to resume from point of pause or RESET F2 to return to start point TASK ADVANCED 24V OFF TASK ADVANCED 24V OFF SNAPSHOT MODE SNAPSHOT MODE 4000 89334 20000 20000 m sss mA STOP MEER CONTINUE RESET 3 25 KA266 Issue No 2 Advanced Task mA Value Press the OUTPUT key and select mA Value from the Output menu The procedure is shown below g ET LEVEL SELECT OUTPUT SELECT OUTPUT DD a 24V OFF S sees oCo 20000 oo mA RAMP v 0o00 mA Q To turn on the 24V supply for current sourcing applications press the OUTPUT key followed by the Right gt cursor key and select 24V Use the Right gt cursor key again followed by ENTER to switch on the 24V supply For current sinking applications connect an external supply as shown on Page 3 23 and leave the 24V internal supply switched OFF O Use Up A and Down v cursor keys to adjust output current level Whilst the loop is made a status display indicates OK A status display CHECK LOOP indicates a fault in the external loop i e supply fault or open circuit 24 Volt Press the OUTPUT key and select 24 VOLT from the Output men
38. cord Type 4096 Record Type 8192 Record Type 16384 P Display Switch Test Leak Test Input channel Min Max ON Combination of all input process functions Combination of all output process functions mA step mode mA value mode mA ramp mode no input selected no output selected 3 41 KA266 Issue No 2 KA266 Issue No 2 3 42 DPI 320 325 Pneumatic Calibrator User Manual CONTENTS Section 4 Routine Maintenance SU MM T X 4 1 mci mise tU r 4 1 4 i KA266 Issue No 2 KA266 Issue No 2 DPI 320 325 Pneumatic Calibrator User Manual Maintenance Cleaning Clean the external surfaces of the calibrator with a damp cloth and mild detergent Fault Finding Pressure Faults If the required calibrator pressure cannot be reached check the following 1 Check that sufficient charge is available in the gas cylinder 2 Allow sufficient time after pressure generation for the temperature to stabilize 3 Check that the plug in the second test port is fully tightened and is sealing correctly 3 Check the adaptors flexible pipe and connections between the calibrator and the equipment under test for leaks Tighten any loose joints and replace any seals that are worn or damaged 4 Carry out a leak test with the system under test connected see page 3 15 Note allow a sufficiently long wait period for pressure variations due to
39. culated for a water temperature of 32 F 0 C Fwith a salinity of 3 5 KA266 Issue No 2 vi Service Approved Service Agents The following are approved Service Agents for Druck Instruments FRANCE Druck SA 19 Rue Maurice Pellerin 92600 Asni res France Tel 1 41 32 34 64 Fax 1 47 93 00 48 GERMANY Druck Messtechnik GmbH Lessingstrasse 12 61231 Bad Nauheim Germany Tel 6032 35028 Fax 6032 71123 HOLLAND Druck Nederland B V Postbus 232 Zuideinde 37 2991 LJ Barendrecht The Netherlands Tel 1806 11555 Fax 1806 18131 ITALY Druck Italia Srl Via Capecelatro 11 20148 Milano Italy Tel 248707166 Fax 2 48705568 UK Druck Ltd Fir Tree Lane Groby Leicester LE6 OFH Tel 0116 231 7100 Fax 0116 231 7103 USA Druck Incorporated 4 Dunham Drive New Fairfield Connecticut 06812 USA Tel 203 746 0400 Fax 203 746 2494 JAPAN Druck Japan KK Medie Corp Building 8 2 4 14 Kichijyoji Honcho Musashino Tokyo 180 Japan Tel 422 20 7123 Fax 422 20 7155 vii DPI 320 325 Pneumatic Calibrator User Manual KA266 Issue No 2 KA266 Issue No 2 Vill DPI 320 325 Pneumatic Calibrator User Manual CONTENTS Section 1 Introduction and Description IMTFOJUCION od 1 1 SPECIICA PET T PX 1 2 Bi ciege eme t unn A O POC RO OO A daaas i 1 4 AAA O o dessa Sten ate a E E 1 4 zeige cnr 1 6 otorage ard PACKA
40. d Data Screen Snapshots occccccccccncccnccncncncncnnnnnnnnconnnoncnonnnonnnonanonnnnonnnennrnnnnnenaninons 3 28 Datalod Operations EE 3 29 AUTO LOG TIMET a ie 3 29 Manta Losa oo 3 29 RecallDatalog ile doo iia dol 3 30 Uploading Datalogi FIE S us bas buc ctu cae odo tns heed aa core 3 31 Delete Datalog and Procedure Files eeseeeeeeeeee eere eene nennen nnne nnn nnne nnne 3 31 Downloading Procedure Files DPI 325 only esses nee nnns 3 32 Running Procedure Files DPI 325 only eese eene nennen nennen nnn nnn nn nna nnns 3 33 Recalling Data Filest DPl325 Only 8 aon tuendi Medos iges dt a 3 34 Using Set up General CP 3 35 silet PPP 3 35 CONTAST E st 3 36 Sre Modei RR T EET E NUN 3 36 Settings Select Setup OPIO siii E A icta aad id 3 36 O O 3 37 Detine Special WINS sti A a aea E a aE E 3 37 Landa dias 3 37 A A taco aati 3 38 moie ENTE RP 3 38 orum 3 38 Date and Time Real Time Eloisa edt die a t coord 3 39 DALE mM ce TT LE 3 39 w 09B Pe o M 3 39 Nu TtE 3 39 Example T Typical Uploaded Datalog FIG ides ette did 3 40 Example 2 Typical Uploaded Procedure FIG acies e visusu siete qu
41. d in Table 5 1 KA266 Issue No 2 5 14 DPI 320 325 Pneumatic Calibrator User Manual Calibration Tables Nominal Applied Value as Permissible Deviation DPI 320 325 0 025 FS 0 025 FS 0 025 FS 0 025 FS 0 025 FS 0 0 0 0 a Full Scale 0 025 FS 0 025 FS 0 025 FS 0 025 FS 0 025 FS Table 5 1 Internal External Pressure Transducer Verification 6 8 0 025 FS 8 6 Voltage Calibration 5V Range Verification Voltage Calibration 50V Range Verification Tolerances Tolerances Applied Permissible Deviation Applied Permissible Deviation Voltage Voltage ES 0 05 rdg 0 004 FS 0 05 rdg 0 004 FS 4 0 05 rdg 0 004 FS 0 05 rdg 0 004 FS 3 0 05 rdg 0 004 FS 0 05 rdg 0 004 FS 2 0 05 rdg 0 004 FS 0 05 rdg 0 004 FS 30 0 E 0 05 rdg 0 004 FS 0 05 rdg 0 004 FS 0 0 05 rdg 0 004 FS 0 05 rdg 0 004 FS 0 0 0 05 rdg 0 004 FS 0 05 rdg 0 004 FS 0 05 rdg 0 004 FS 0 05 rdg 0 004 FS 0 05 rdg 0 004 FS 40 0 05 rdg 0 004 FS 0 05 rdg 0 004 FS NES 0 05 rdg 0 004 FS 4 2 3 4 5 Table 5 2 Electrical Voltage Input Calibration Tolerances 5 15 KA266 Issue No 2 Calibration Procedures Current Calibration 55mA Range Verification Tolerances Applied Current Permissible Deviation 0 05 rdg 0 004 FS 0 05 rdg 0 004 FS 5 0 05 rdg
42. d on the external milliammeter as shown below e g 4 CALIBRATING CURRENT CALIBRATING CURRENT CALIBRATING CURRENT RANGE 0 24 mA RANGE 0 24 mA RANGE 0 24 mA Measure 10 FS output Enter Applied Value Press ENTER key when applied value is stable BIN DO O go pg B Enter Applied Value CHANGE CHANGE VALUE VALUE Measure the 90 full scale output current and enter the value measured on the external milliammeter as shown below e g S CALIBRATING CURRENT CALIBRATING CURRENT CALIBRATING CURRENT RANGE 0 24 mA RANGE 0 24 mA RANGE 0 24 mA Apply nominal FS value Enter Applied Value Press ENTER key when applied value is stable BIN L L L Enter Applied Value CALIBRATING CURRENT RANGE 0 24 mA CALIBRATING CURRENT CALIBRATING CURRENT RANGE 0 24 mA RANGE 0 24 mA RESULTS Enter Measured Current m 2 784670e 04 c 1 459980e 02 m2 2 781021e 04 i ce L5 5 c2 8 814727e 02 Applied Measured 2 458 547315 21 551 726779 Calibration Complete CHANGE i KA266 Issue No 2 5 10 DPI 320 325 Pneumatic Calibrator User Manual 6 Press the ENTER key to accept the calibration Press the EXIT key four times to quit the CALIBRATION and SETUP modes 7 Verify the calibrator s output current calibration by setting up the loop test currents as shown in Table 5 4 and checking the set values against the milliammeter standard as follows 8 Press the OUTPUT key select 24V and turn the 24V supply to
43. ding values for the DUT output parameter current are then set followed by the maximum error value and error type Rdg or Span When all test parameters have been set up the screen changes to display the input and output and the test results The test result can only be displayed to within a range of 9 99 If the test result is outside this range either the left pointing ve error or right pointing ve error chevrons are displayed Within this error band the actual tolerance value is displayed Test results can either be stored as snapshots or logged as datalog files depending upon how the instrument has been set up The method of downloading procedures and uploading data files is described in the section headed Memory Operations refer to pages 3 30 to 3 31 Basic Mode Task BASIC This instrument will power up in this mode the first time that it is used To select BASIC from any other task press the TASK key and select BASIC and press the ENTER key BASIC mode is fully described in the Getting Started section see pages 3 4 to 3 6 KA266 Issue No 2 3 8 l DPI 320 325 Pneumatic Calibrator User Manual Taking Measurements Pressure Transmitter P I Task Select the P I task from the task menu and connect the Unit Under Test UUT to the calibrator as shown below h ee SCAT YF e O p A E 0 9 mA Sink Bi DPI 325
44. e Calibration PIN number is changed from the Calibration Menu Use the cursor keys to select CHANGE PIN and proceed as follows CALIBRATION SELECT CAL OPTION SET NEW PIN TWICE INT RANGES 2 O EXT SENSORS gt Enter New Pin Q o L Note The new PIN number requires to be entered twice the second entry being used to verify the change If the second PIN number entry differs from the first the PIN number is not changed and the following error message is displayed WARNING nomen To add an external sensor to the directory of external sensors proceed as follows Add External Sensor O Press SETUP select SETTINGS followed by CAL IBRATION and enter the calibration PIN number as shown on page 5 2 Select EXT SENSORS O Plug the external transducer into the connector located on top of the instrument and proceed as shown below EXT SENSORS EXT SENSORS EXT SENSORS SERIAL No RANGE TYPE SERIAL No RANGE TYPE SERIAL No RANGE TYPE psi psi psi 1154737 350 00 9 1154737 350 00 9 ADD NEW ADD NEW EDIT REMOVE CHANGE SENSOR SENSOR DETAILS Digitally characterised Druck transducers will be downloaded into the directory as soon as the F1 key is operated Data for other types can be edited by selecting EDIT F2 If the data cannot be edited a warning message INVALID ACTION is displayed 5 3 KA266 Issue No 2 Calibration Procedures Calibrate Internal Ranges Pressure The following procedure should be adop
45. e pre programmed and nine are user definable OUTPUT ded key is used to select which of the instrument s source outputs 3 20 to 3 23 Depending upon how the instrument sSTORE mode is set up this key is used either to store up to 20 display screens in SNAPSHOT mode or to 3 27 3 28 manually log a screen in DATALOG mode 3 7 to 3 18 STORE This key is used to recall a previously stored screen to the display Depending on the STORE mode set up operation of this key recalls either RECALL the snapshot of a previously stored screen or DATALOG file In STORE 3 29 3 30 mode selection displays the last screen stored By using the cursor keys the operator can scroll either forward or back through memory locations The ENTER key is used either to enter data accept entered data or in conjunction with the soft keys to accept a given selection The EXIT key operates in conjunction with all the other hard and soft keys to exit from the current screen or menu level to the level immediately preceding it To quit completely from any menu level press EXIT until the MEASURE SOURCE screen is displayed Keys denoted with an asterisk are not available in BASIC mode SOFT KEYS Figure 2 2 Three soft keys designated F1 EXIT and F2 are situated immediately below the display as shown in Figure 2 2 These keys have their function allocated by the instrument software which is indicated in the bottom of the display Voltage for F1 and U
46. e singular and plural C degrees Celsius BSP British standard pipe thread cm centimetre sp degrees Fahrenheit inHg inches of mercury Ibs pounds ISO International Standards Organisation kg kilogram m metre mbar millibar mm millimetre mmH O millimetres of water NPT National pipe thread PRV pressure relief valve psi pounds per square inch PTFE polytetrafluoroethylene SAE Society of Automotive Engineers UUT Unit under test Symbols The following symbols mark this equipment Read the manual before use Refer to the manual KA266 Issue No 2 ii DPI 320 325 Pneumatic Calibrator User Manual CONTENTS Section 1 Introduction and Description o E EESTI odes wees Nate et rene ate Rata 1 1 gt PECIMICAMON o ee ee eee ee OdUD 1 2 Bree t A EIER 1 4 Pneuma ONCU cc cc 1 4 aio RS AAA enter ae cee a Oe mE C 1 6 Storage and Packard diia 1 7 Returned Materials Procedure cccccecccecccecceeeceeecesecseecueceensauecaeecuecseesaueceuesaeseeesuecseesaeeteeeesaeeseesseesseeeses 1 8 Section 2 Summary of Functions Ec EEE O EE A 2 1 Pneumatic COn Se A 2 1 ContolPanel esiisa UC 2 1 Modes APOCO E 2 1 Moog qc 2 2 Calibrator COMMOlS 245 355 sooo EI 2 3 Calibrator Control Panel sc cg versa io a 2 4 Bip c O 2 4 Hara Key FUNCIONS messi dica ERU OE deu oda usce deos pt ctas cac uU e Poetas Uc cux Sra Ue aos 2 5 A O et a ee cea ao 2 5 COURS OW IKGYS ec ted eee 2 5 Elec
47. er test Zero Display Reading Both the input and output windows can be set to zero by operation of the ZERO key providing that the displayed reading is already within 5 of zero To zero either the INPUT Measurand or OUTPUT Source windows proceed as follows e g TASK BASIC 04117 V psi YES NO TASK BASIC O 00008 04117 ZERO ZERO INPUT OUTPUT TASK BASIC TASK BASIC 04117 psi ZERO INTERNAL SENSOR YES NO 04117 ZERO ZERO INPUT OUTPUT KA266 Issue No 2 3 6 DPI 320 325 Pneumatic Calibrator User Manual Task Selection Task Key The TASK key is used to set up the instrument for a number of specific types of test There are two modes BASIC and ADVANCED and nine other specific types of test which automatically configure the instrument on selection from the TASKS menu The tasks available under the TASK menu are held on three pages shown below To select a task from the menu press the TASKS key position the cursor over the desired task and press the ENTER key as shown below Use the right left cursor keys to switch between pages Current Page 2 Page 3 TASKS TASKS P DISPLAY ADVANCED P SWITCH USER TASKS LEAK TEST TX SIM REL VALVE Using TASK Functions Specific tasks are selected as shown above The following diagrams show how to connect the unit under test UUT for each task selectable under the TASKS menu Input and Output units where applicable can be selected
48. ge 3 37 KA266 Issue No 2 3 16 DPI 320 325 Pneumatic Calibrator User Manual Taking Measurements Relief Valve Test REL VALVE Task To carry out a relief valve test press TASK and select REL VALVE Connect the output pressure port of the instrument to an external system as shown below TASK RELVALVE SNAPSHOT MODE 85 000 0003 STORE O al O WA RECALL O Jo O xS NR x C E NS k 3 Q Q To change the pressure units if required press INPUT and select the required units by means of the cursor keys Q To turn on the 24 Volt internal supply if required press OUTPUT select 24 VOLT switch ON with the right cursor button and press ENTER O Using the Coarse and Fine controls apply pressure to the relief valve under test O When the relief valve operates the maximum recorded pressure indicates the operating point of the valve O Record the test results Note The STORE key can be used for this purpose Use right cursor key initially followed by up down keys to enter Snapshot text O Back off the output pressure initially by using the Fine volume adjuster Set the Coarse pressure regulator to zero and switch the ball valve to Coarse 3 17 KA266 Issue No 2 Advanced Task General Advanced task allows the use
49. he display flashes if the voltage or current over range by 110 of the above values 2 Max applied voltage for external loop supply 30V dc see Page 3 4 KA266 Issue No 2 2 2 DPI 320 325 Pneumatic Calibrator User Manual CALIBRATOR CONTROLS The location of the calibrator controls is shown in Figure 2 1 These controls divide into two groups the pressure generation components shown in Figure 2 1 and the operator display controls shown in Figure 2 2 Gas Cylinder Isolation Valve Shown closed Charging Pressure Vent Port Charging Port AN4 Control Panel amp Display Test Port 1 TP1 1 4 NPT Purge Valve Test Port 2 TP2 1 4 NPT Ww SOURCE PRESSURE Fine Pressure Adjust Charge Case Coarse Regulator Ball Valve Pressure Breather Pressure Output shown in Coarse Adjust Pressure position Figure 2 1 Calibrator Controls 2 3 KA266 Issue No 2 Summary of Functions CALIBRATOR CONTROL PANEL Figure 2 2 The operator controls and a typical display common to all instrument versions of the series DPI 320 and DPI 325 is shown below e g Display max 50V 1 D Pre sure CATT SET UP Druck DPI 325 alib TASK BASIC emo 2 Ene seus CURRENT PRESSURE UNITS 1 0 O Enter Key SS Electrical Measurement lt INPUT STORE Cursor Keys
50. indicated by the switch symbol The release pressure is then written to the display and the hysteresis value displayed TASK P SWITCH 24V OFF SNAPSHOT MODE CONTACT STATE CLOSED AT 203 82 psi OPENED AT 206 67 psi HYSTERESIS 96 15 psi TASK P SWITCH SNAPSHOT MODE pg NOD ca 1 ub cce IS A A Press the TASK key and select P Switch O Connect test leads to DPI 320 325 as shown above Initially do not connect to the pressure switch O Contact state will be shown on display During test when the switch contacts close a buzzer sounds KA266 Issue No 2 3 12 DPI 320 325 Pneumatic Calibrator User Manual Taking Measurements Pressure Switch Test with Contact Resistance Measurement Contd O Press the INPUT key and proceed as follows SELECT dl SELECT E RESISTANCE ZERO BUT FUNCTION 4 FUNCTION O O TS Pia RESIST ZERO 9 9 To ensure accurate measurements it is recommended that the zero procedure which compensates for the resistance of the leads is carried out before performing the test Note Allow sufficient time between contact closure for resistance measurement to stabilize SWITCH TEST SWITCH TEST SWITCH TEST TASK P SWITCH 24V OFF SNAPSHOT MODE Connect Vin SW and Now short test leads mA in together Switch resistance input CONTACT STATE e Connect switch test leads now ready for use across switch symbol Ope
51. ing zero 3 1 KA266 Issue No 2 Source Gas Charging The Internal Pressure Bottle Supply Pressure Source Output Charging Pressure Regulator self venting Cs Gas Supply Isolator Charging Hose y T Calibrator Charge Gas Oylinder Pressure Gauge Isolation Valve WARNING CHARGE ONLY WITH CLEAN DRY AIR OR OXYGEN FREE NITROGEN OFN Charging Port ANA Figure 3 1 Calibrator Gas Cylinder Charging WARNING UNLESS A SELF VENTING REGULATOR IS FITTED TO THE SUPPLY SOURCE SOURCE PRESSURE WILL BE TRAPPED IN CHARGING HOSE TAKE EXTREME CARE WHEN RELEASING COUPLING AFTER CHARGING Method O Turn the Coarse Adjust knob on the calibrator fully counter clockwise O Ensure that the Gas Cylinder Isolation Valve is open turned fully counter clockwise O Fit a charging adapter hose to a high pressure Air or Oxygen Free Nitrogen supply regulator as shown above Ensure that the gas supply regulator is turned OFF turned fully clockwise O Remove the charging port dustcap and connect the free end of the charging hose to the charging port AN4 and fully tighten the coupling O Ensure that the gas supply isolator valve on the pressure source is open fully counter clockwise O Slowly open the regulator valve on the pressure source and allow the cylinder to charge MAXIMUM CHARGE PRESSURE is indicated on the charging port label The gas cylinder charge pressure will be indicated on the calibrator s charge pressure ga
52. ion Range Equipment Uncertainty Accuracy 5V Input 30 ppm 1 digit 10 ppm 5 uV 50V Input 45 ppm 1 digit 11 ppm 110 uV Using the Calibration Menu The calibration routines are selected from the Setup menu as detailed below The calibration routines are not accessible while the calibrator is in BASIC mode If necessary use the TASK key to select another mode e g ADVANCED before attempting to access the CALIBRATION mode Review and become familiar with the whole calibration procedure before commencing the calibration process To enter the CALIBRATION mode press SETUP and select CALIBRATION from the menu as shown below SETUP SELECT OPTION SETTINGS SELECT OPTION STORE MODE O UNITS O CONTRAST O O LANGUAGE SETUP C SETTINGS RS232 DATE amp TIME POWERDOWN O BACKLIGHT M Use a combination of the cursor keys to enter the PIN number initially set to 4321 as shown over page The Up and Down keys enter numerals 0 to 9 or 9 to 0 respectively and the right and left keys shift number position If the Enter pin prompt disappears before the first digit is entered press ENTER to re display The internal ranges are selected for calibration as shown below CALIBRATION SETTINGS ENTER PIN CALIBRATION UNITS o LANGUAGE 3 O EXT SENSORS RS232 O CHANGE PIN POWERDOWN CALIBRATION Enter Pin C KA266 Issue No 2 5 2 DPI 320 325 Pneumatic Calibrator User Manual Change Calibration PIN Number Th
53. irectory allowing it to then be selected 5 Connect the pressure standard to the inlet of the external transducer apply the zero point pressure and store the zero point as shown below e g CALIBRATING PRESSURE EXT CALIBRATING PRESSURE EXT CALIBRATING PRESSURE EXT RANGE 200 bar g RANGE 200 bar g RANGE 200 bar g Apply nominal zero value Enter Applied Value Press ENTER key when applied value is stable BIN O O L 5 13 KA266 Issue No 2 Calibration Procedures 6 Apply the full scale pressure to the external transducer and store the full scale FS point as shown below e g CHANGE VALUE CALIBRATING PRESSURE EXT CALIBRATING PRESSURE EXT CALIBRATING PRESSURE EXT 2 RANGE 200 bar g RANGE 200 bar g RANGE 200 bar g Apply nominal FS value Enter Applied Value Enter Applied Value 9 Press ENTER key when v EEEE I 20000 CHANGE CHANGE we D La TO C9 CALIBRATING PRESSURE EXT CALIBRATING PRESSURE EXT RANGE 2000 psig RANGE 2000 psi g RESULTS m 2 784670e 04 c 1 459980e 02 Applied Measured 0 0000 524293 2000 0 704637 Calibration Complete Press ENTER to continue YES NO 7 Release the applied pressure and disconnect the pressure standard Press the ENTER key to accept the calibration Press the EXIT key once to return to the calibration menu or four times to quit the CALIBRATION and SETUP modes 8 Check the calibration of the external transducer by applying the test pressures as detaile
54. log Odd ISONPSUDIL Xu E O SINSseld L Atld SAIDA Jei os eunssoig Lp SOINOUIDATA I 3 L2 l nfpoy SINSSSIJ SUI 1 L WA Jejsn py euunioA 1 533 10o10o nBay oJnssold 9SJDO c Sd e6no5 O O o o x oInssoJqd NAINO O Ab dsig 1 99 28881 eios soo AAO Ave HOd o61Du2 NANO L AO SAA A99YD 1 9d o6nb o sINsseld o61Du2 Figure 1 2 Pneumatic System Schematic KA266 Issue No 2 Introduction and Technical Description Electrical Circuit Figure 1 3 Power for the calibrator electronics is supplied by a 7 2V Nickel Cadmium battery pack A power supply unit within the calibrator electronics supplies all the required internal and external power supplies and the battery charging system An external power supply unit max input 15 V dc supplies power for the battery charger Pressure in the outlet manifold is sensed by a pressure to voltage transducer The output of this transducer passes through an interface is digitized and applied to the microprocessor where it is processed to provide a pressure display Optionally an external pressure to voltage transducer remote transducer can be used to extend the measurement range of the instrument This remote transducer is also a pressure to voltage device and operates in a similar manner to the internal transducer The microprocessor communicates with the keyboard to enable the various operational modes to be selected and i
55. n circuit test leads Open circuit test leads Press ENTER to continue Press ENTER to continue Press ENTER to continue The switch test is performed in the same way as the previous section except that the contact resistance is measured and displayed together with the results TASK P SWITCH 24V OFF SNAPSHOT MODE CONTACT STATE CLOSED AT 221 382 OPENED AT 206 667 HYSTERESIS 14 715 RESISTANCE 3 3 13 KA266 Issue No 2 Taking Measurements Pressure to Display P DISPLAY Task P Display is a special application of Datalog To use this mode select Data Log from the Store Mode menu as detailed on page 3 35 Connect the unit under test to the instrument as shown below and if required turn on and setup Cal Mode if applicable See page 3 8 TEST UNIT Dial Gauge ACCES SET UP Q O O Pi zro C LOG FILE NONE J Ssma oI iin mA Sink DISPLAY le P TASK O E mA la E ol out 20000 se O psi srore O O ecu C ex F IO O INPUT OUTPUT P oE RN PRESSURE A a Ss y AE N a WF lz aa O Press TASK and select P DISPLAY If required use OUTPUT key to change pressure units O Set up a Data Log file as detailed on page 3 29 Note TRIGGER field automatically set to KEYPRESS cannot be changed O Apply a series of test pressures to the unit under test Enter displayed reading at each pressure and
56. nd the connected system are now purged and the calibrator is ready to apply pressure to the unit or external system under test 3 5 KA266 Issue No 2 Getting Started T 10 11 12 Set the ball valve to Coarse fully counter clockwise Slowly open the Coarse pressure regulator to apply approximately the first required test pressure to the unit or system under test Switch the ball valve to Fine fully clockwise and using the Fine volume adjuster set the output pressure to exactly the required value Allow sufficient time for the output pressure to stabilize and retrim output pressure if necessary before taking readings Record the pressure and electrical readings at each test pressure Use the STORE or DATALOG facilities for recording display readings pages 3 28 to 3 31 Repeat steps 7 and 8 to set up any additional test pressures required Recommended test pressures are Zero 10 25 50 75 full scale on an ascending run followed by 75 50 25 10 and zero on a descending run When testing is completed back off the output pressure to zero Initially this may be done with the volume adjuster and then by switching the ball valve to Coarse and setting the Coarse pressure to zero fully counter clockwise If the UUT is likely to contain any condensate or residual fluid it is recommended that the purge valve be used to release any residual pressure trapped in the output manifold Disconnect the unit or system und
57. nits for F2 in this example They are used to select menu program options and are fully described under the appropriate section headings CURSOR KEYS Figure 2 2 The cursor keys consist of a block of four keys arranged as shown in Figure 2 2 They are designated Up A Down v Left and Right gt In programs where options need to be selected from a list e g the TASK selection program the Up and Down cursor keys are used to highlight one of the options from which it can be selected by the ENTER key In TASK mode where more than one page of options are provided the Left lt and Right gt cursor keys will switch between pages 2 5 KA266 Issue No 2 Summary of Functions Electrical Inputs and Outputs Figure 2 3 Electrical measurement inputs and Source Outputs are made via the control panel sockets as shown below Status Window Input Window 50 3 E o lt Pressure l C ES DPI 325 Calib lar v EL i Electrical Measurement m Input Sockets a gt SET UP O lt 9 515 mA in max 20008 979 Inputs ISP Q le Sink a uuu ILLAS UI V 10 3 _ _ TASK Q a 2 mAou 10V out Outputs let li Source OUTPUT ockets OUTPU Q E Output Window recau C F1 F O Figure 2 3 Electrical Measurement Inputs Source Outputs Switching On Press the I O switch on the front
58. nnnnnnnnnnnennnenons 5 16 5 i KA266 Issue No 2 KA266 Issue No 2 DPI 320 325 Pneumatic Calibrator User Manual Calibration Introduction The instrument is supplied by the manufacturer complete with calibration certificate s The re calibration interval will depend on the total measurement uncertainty which is acceptable for a particular application A period of 12 months is recommended but this may be influenced by many factors including conditions of service The DPI 320 and DPI 325 calibrators are very precise measuring instruments and the test equipment and conditions of test must be suitable for the type of work The use of a Class A compensated deadweight tester is essential The tests should be carried out in a controlled environment by a competent trained person If when the accuracy of the instrument is checked it is found to fall outside the specification calibration adjustment can be undertaken to compensate errors The manufacturer offers a comprehensive and if required UKAS accredited calibration service General Procedures The following general hints are provided as a guide to calibration procedures Do Use high quality Repeatable and Linear pressure sources and allow adequate stabilization time before calibration minimum 1 hour Carry out the calibration procedures in a temperature and preferably humidity controlled environment Recommended temperature is 70 F 3 6 F 21 C x2 C Use deadweight te
59. nonnncnnoncnonnnnnnnnnnnnnnnnanenos 3 34 Using Set up A des esc pbi a Le MUI Ri Lu E 3 35 acere e 3 35 E E mc o E 3 36 LORS Modest D Tr 3 36 Settings Select Setup ODOM tH E 3 36 UNITS iia 3 37 STINGS peca IIS accept eats sie E A 3 37 Language csi M 3 37 SS M CHILE 3 38 FOWL COW meu c eee eee 3 38 Sl A A LED 3 38 Pate and Time Real Time GIOCK usar ati 3 39 Bicis rol ti cesc O m UE 3 39 SIBI c c WM 3 39 A ect RE Mee Sh LI MU iM I Masa Sp D Eu 3 39 Example 1 Typical Uploaded Datalog File 1 eese nennen nennen nnne nnn nnn nnns 3 40 Example 2 Typical Uploaded Procedure File ooccoococonoccnooccconoconoccnonnncnnocononononnnonnnnanonanonnnnonnnonnnnanenaness 3 41 Contd KA266 Issue No 2 IV DPI 320 325 Pneumatic Calibrator User Manual CONTENTS contd Section 4 Routine Maintenance cleaning ai N 4 1 a H 4 1 Section 5 Calibration e UC E O TERR 5 1 General Procedures sti A a 5 1 ANID FAUOM PROTEC cile RU mE 5 1 eu lectie epa vellUrcugn qe T M lniviusante lacs 5 1 i deve Bo 5 2 Using rhe Galbratlo iei cria ditas eda Cut aere ute teda UA v ON CU ea au v EUR E GA e rw dot d Rufe eB ka ae Ea ERR 5 2 Change Calibration T NOBUEDOE s soisasutkdus ena Cav ettet pit nu basti
60. nput output data to be processed The measurement circuits include pressure input voltage input current and switch test A 24V external power supply is provided to enable current loops to be powered directly from the calibrator Additionally a fully floating 10V dc supply is provided to enable the calibrator to power transducers under test An RS232 port permits datalog data to be uploaded to an external PC system On the fully documenting version of the calibrator DPI 325 test procedures are also downloaded to the calibrator via the RS232 port see Section 3 page 3 31 CHARGER EXT POWER CALIBRATOR ELECTRONICS BATTERY SWITCH TEST Vin lin lout 24V out Com OV gt 10V dc gt 10V dc INTERFACE INTERFACE REMOTE TRANSDUCER y INTERNAL TRANSDUCER OUTPUT PRESSURE MANIFOLD Figure 1 3 Electrical System Schematic KA266 Issue No 2 1 6 DPI 320 325 Pneumatic Calibrator User Manual Storage and Packaging Procedure The unit should be at zero ambient pressure Disconnect all cables and stow in the lid is Before storing connect the external power charger adapter and fully charge the internal battery is Ensure that the calibrator is switched off o Fully discharge the gas bottle as described in Section 3 page 3 3 If available use the original packing material When using packing materials other than the original proceed as follows o Wrap unit in polyethylene sheeting O Select a d
61. o 2 K266 Issue No 2 4 2 DPI 320 325 Pneumatic Calibrator User Manual CONTENTS Section 5 Calibration HATEOGUICTIONN ec EE 5 1 General PrOCEdUrE NUR T P 5 1 GalbraloMh Proteo clon A RN 5 1 eres Ca PER 5 1 WE SUE CUNO IC A ac ree 5 2 USING Tie CalibrauobiMeNBU dada A ae setas UU EU eu du aat 5 2 Change Calibration PIN QUMDS t m UR 5 3 Add External Sensor is 5 3 Calibrate Internals Range sim niet opui A AAA AR 5 4 A O A ee 5 4 Voltage Input Range 5 VOIS basis de eu E n cuu ON MS MON Imi UdE 5 5 Voltage Input Range 50 VOS esisiini a vue RE MAR MA UE PRU 5 6 Curentinput Range 99 MAIN AAA AA cadsbme Gabon akamomanes 5 8 Current Output Range 24 MA ii A da to tein s iesu e Hosted 5 9 Ambient Temperature Channel acosa odo 5 12 Calibrate External Range S usina 5 13 F EOS SUING A A ahaa tee ccs asia oe a en ase eee oes co eaeeee 5 13 Tables Table 5 1 Internal External Pressure Transducer Verification occcooccconncccncocnnconoconncnnnccnnonanonnnnonanonnnnonannnnons 5 15 Table 5 2 Electrical Voltage Input Calibration Tolerances oooocccconnncconcnccnonncncnnonncnnnnnnnonnnonnnnnonnnnonnrnnnnnnnnnnrnnnnannoss 5 15 Table 5 3 Electrical Current Input Calibration Tolerances cooccccccncccncocncconccnnnnnnnonononononnnnnnnnnnanonnnnnnnnonnnnnnnnonons 5 16 Table 5 4 Current Output Calibration Tolerances occoocccccncccnncccncnonononononnonononanonnnnonnnonnronnnnonnnnnn
62. oocooccccnccccncccnnonnoncncnnnnonnnnonononos 0 004 of reading F Special features nisi AAPP ES Eo continuous cycle at 10 seconds 4 to 20 mA linear O to 20 mA linear 4 to 20 mA flow O to 20 mA flow 4 to 20 mA valve A a 25 scale units and one user defined 1172352000 NN rnn continuous cycle with configured end values and 60 seconds travel time 7i Ncc multi parameter internal 92 kbyte memory variable sample period for data logging or log on key press for calibration results MAO SIMO Mc paperless notepad stores up to 20 complete displays PIOCESS TUNCION S ETC TOUT tare max min filter flow and span E o7ri ENe rcs English French German Italian Portuguese Spanish Power management auto power OFF auto backlight OFF battery low indicator and status on key press Display e dee eanotuceseceeesnosuneseteesaaseuacentenys 60 mm x 60 mm graphic LCD with backlight suse eee cence ce tc gsceen P 99999 capability two readings per second Computer interface BETA unidirectional for uploading results to a PC Bio bidirectional for downloading procedures and uploading results 1 3 KA266 Issue No 2 Introduction and Technical Description Description Pneumatic Circuit Figure 1 2 The pneumatic supply to the two 1 4 NPT test ports Test 1 and Test 2 is provided by a 122 cu in gas cylinder GB 1 This gas cylinder is charged via an AN4 charging port An isolation valve
63. other than BASIC If using ADVANCED set up required Source and Output parameters O Use SETUP to select Data Log trom the Store Mode Menu See Page 3 36 Auto Log Timer Press STORE and set up the Data Log file parameters as shown below Use CHANGE VALUE F1 followed by cursor keys to set field values For Auto Log set TRIGGER field to PERIODIC M ENTER VALUE TASK CO2INLET 24V OFF DATA LOG DATA LOG E T Ge aa FILENAME M_ O FILENAME LOGFILE2 CLEAR DATE 11 21 01 O DATE 11 21 01 BL H ANY KEY STORE TIME 12 29 TIME 12 29 O TRIGGER PERIODIC TRIGGER PERIODIC V O PERIOD 00 05 PERIOD 00 05 POINTS 10 POINTS 10 O OSI CHANGE START VALUE LOGGING fC Manual Logging Enter the file details as shown above and select KEYPRESS for TRIGGER field Screen reverts to displayed parameters showing setup file as shown below e g 24V OFF DATA LOG DATA LOG LOG FILE LOGFILE FILENAME LOGFILE3 FILENAME LOGFILE3 DATE 11 21 01 DATE 11 21 01 g BL R TIME 12 29 TIME 12 29 TRIGGER KEYPRESS TRIGGER KEYPRESS OSI CHANGE START CHANGE START VALUE LOGGING VALUE LOGGING O Use a combination of STORE and LOG NOW F1 to log events as follows TASK ADVANCED 24V OFF TASK ADVANCED 24V OFF LOG FILE LOGFIEES LOG FILE LOGFILES 28080 28080 20000 20000 DSI LOG STOP NOW LOGGING STORE Q 3 29 KA266 Issue No 2 Memory Operations Recall Data
64. ouble wall cardboard container Inside dimensions must be at least 15 cm greater than the equipment The carton must meet test strength requirements of gt 125 kg o Protect all sides with shock absorbing material to prevent equipment movement within the container o Seal carton with approved sealing tape o Mark carton FRAGILE on all sides top and bottom of shipping container To return the unit for calibration or repair complete the return material procedure as detailed in 1 8 Environment o The following conditions apply for both shipping and storage O Temperature Range sess nna nnns 4 F to 140 F 20 C to 60 C 1 7 KA266 Issue No 2 Introduction and Technical Description Returned Materials Procedure Should the unit require calibration or become unserviceable it can be returned to the Druck Service Department Please contact our Service Department either by phone fax or E mail to obtain a Returned Material Authorization RMA number providing the following information Product i e DPI 325 Serial number Details of defect work to be undertaken Calibration traceability requirements Operating conditions Safety Precautions You must also tell us if the product has been in contact with anything hazardous or toxic and the relevant MSDS references and precautions to be taken when handling Important notice Service or calibration by unauthorized sources will affect the warranty and may not gu
65. page 3 36 and proceed as follows MEMORY USED FEEDPRESS11 4 DEVICE UNDER TEST RECALL G3459 I P LOW 0 PSI 300 PSI O fea me TEST2 O P HIGH 10 VOLTS TESTS v MAXPRESS 22 POINTS 5 UP DOWN MAX ERROR 0 1 SPAN FILE 1 of 9 DATE 04 11 99 TIME 10 18 ERASE RUN REVIEW After selecting F1 proceed by entering the User ID and Serial Number and then select F1 Continue and follow the on screen procedural instructions e g FEEDPRESS11 24V OFF FEEDPRESS11 24V OFF FEEDPRESS11 24V OFF GOTO 0 000 psi GO TO 0 000 psi GO TO 85 000 psi SETUP amp LOG POINT 1 gt POINT1STORED gt SETUP amp LOG POINT 2 etc When the test procedure for a given DUT has been completed the result of running the first test is stored as an AS FOUND file This file cannot be overwritten Any subsequent tests on the device are stored as an AS LEFT file which is overwritten each time the procedure on this device is run When recalling the results of a procedure the choice of AS FOUND or AS LEFT is provided refer to page 3 34 3 33 KA266 Issue No 2 Memory Operations Recalling Data Files DPI 325 Calibrators Only Data or results files generated by running procedures are stored in the instrument s Data Log directory To recall a data file to the display ensure that DATA LOG is selected from the SETUP menu and proceed as follows e g SELECT FILE FEEDPRESS11 p O DEVICE UNDER TEST AS FOUND RECALL
66. panel and proceed as follows TASK BASIC TASK BASIC cUUUU psi VOLTAGE PRESSURE UNITS psi 5e qs UNITS The first time that the instrument is powered up following the initialization and Max Pressure screens it will power up in BASIC mode with the main screen displaying voltage in the measurand display area and pressure in the source display area To switch to Current as measurand press F1 as shown Similarly F1 to return to Voltage Note No other keys are active in this mode and the instrument can only be reconfigured by pressing the TASK key and selecting another mode Initially the battery pack may not be fully charged and a low battery indication could be displayed in the top right hand corner of the display Fit the battery power adaptor charger unit to the DC INPUT terminal as shown in Figure 2 4 and allow the battery to charge KA266 Issue No 2 2 6 DPI 320 325 Pneumatic Calibrator User Manual ELECTRICAL CONNECTIONS Remote Sensor Connector RS232 Figure 2 4 Electrical System Connections 2 7 KA266 Issue No 2 Summary of Functions blank page KA266 Issue No 2 2 8 DPI 320 325 Pneumatic Calibrator User Manual CONTENTS Section 3 Operation Operation SUPPI FANUS TEE RETE TD 3 1 Charging the Internal Gas Cylinder cooonncccnnccccnnoconnccocnncnnnnonnncononnonnnnonnnnnonnnnnonnnnnnnnnnnnnnnnnnnennnnnnnanncnnnnos 3 2 Charging tne Internal Bateria ais
67. port of the PC Ensure that the RS232 parameters at the PC end match those of the instrument The RS232 parameters of the instrument can be checked as detailed on page 3 38 Set up a file on the PC to receive the data e g in the Windows Terminal program To upload a file proceed as follows Example 1 page 3 40 gives details of a typical uploaded Data Log file SELECT FILE FILE SUMMARY FILE SUMMARY FEEDPRESS11 O FILE NAME TEST5 FILE NAME TEST5 RECALL G3459 DATE 11 21 01 DATE 11 21 01 TEST1 gt TIME 15 58 TIME 15 58 C TEST2 TRIGGER KEYPRESS TRIGGER KEYPRESS y v FILE SIZE 886 bytes FILE SIZE 886 bytes FILE 1 of 9 DATE 11 21 01 TIME 10 58 ERASE TEXT GRAPH REVIEW TRANSMIT DO 9 T me Delete Data Log and Procedure Files To delete a Data Log file or a procedure file proceed as follows Alternatively to delete all logged files simultaneously select ERASE ALL FILES F2 at the erase screen dius p pM AAA FEEDPRESS11 O FEEDPRESS11 FEEDPRESS11 RECALL G3459 G3459 G3459 TEST1 gt TEST1 TEST1 C TEST2 TEST2 TEST2 v y Y FILE 1 of 9 FILE 1 of 9 FILE 1 of 9 DATE 11 21 01 TIME 10 58 DATE 11 21 01 TIME 10 58 DATE 11 21 01 TIME 10 58 ERASE ERASE ERASE CHOSEN FILE em LAT D 3 31 KA266 Issue No 2 Memory Operations Downloading Procedure Files DPI 325 Calibrators Only Complete test procedures may be downloaded from a PC to DPI 325 instrument types via the RS 232 port A procedure consis
68. r to configure the instrument to monitor one of a number of different input measurands Inputs and outputs Sources Additionally five process functions Tare Max Min Filter Flow and Span can be applied to the input functions Select Input To select an input channel for display select ADVANCED Task from the task menu and proceed as follows If in addition to process functions a range of units is available for the selected channel a UNITS soft box actioned by the F2 function key will be written to the display The following procedure shows the method of input channel selection and the method of changing units g SELECT UNITS SELECT INPUT SELECT UNITS INPUT C PRESSURE INT OF PRESSURE O PRESSURE EXT inHg 39 Q SELECT INPUT VOLTAGE psi O O CURRENT inH O O Q AMBIENT TEMP y ftH 0 SELECT INPUT A NPUT C NO INPUT SELECT INPUT Eg Refer to pages 3 19 to 3 22 for details of process functions Note Use the Left right arrow keys function as page up down keys Ambient Temperature Measurement To set up the instrument to read ambient temperature proceed as follows e g INPUT Q SELECT INPUT SELECT AIR SELECT UNITS PRESSURE INT TEMPERATURE 2 SELECT INPUT UNITS PRESSURE EXT O O 2 VOLTAGE CELSIUS o td FAHRENHEIT o AMBIENT TEMP y AAA Note Up to 1 hour may be required for the temperature reading to stabilize KA266 Issue No 2 3 18 DPI 320 325 Pneumatic Calib
69. rator User Manual Advanced Task Process Functions If required the following process functions are available on the Measurand INPUT display but only in ADVANCED task lf the instrument is in any other mode i e BASIC or any other task mode the input and output displays must first be configured in ADVANCED task Note PROCESS functions are not available to the output SOURCE channel A summary of the process functions follows Tare Allows either the current display value or a manually entered value to be tared off display parameter reading Max Min Displays running Max Min and Present display values simultaneously Resettable via F1 key Filter Applies low pass filter function to displayed parameter Filter characteristics Settling time and Band are user programmable Flow Applies square root function to displayed parameter Span Converts displayed parameter reading to a percentage of span Span definable via the F1 key Following selection of ADVANCED from the task menu press the INPUT key Use the Up A or Down y cursor keys to select the required input Press the PROCESS F1 key and use the Left lt or Right cursor keys to enable the process on off e g INPUT Q SELECT INPUT INPUT PROCESS ENABLE PROCESS SELECT PROCESS pacem uus TARE ON 4 PRESSURE EXT MAXMN OFF 3 4 MEE FILTER OFF O RISE FLOW OFF AMBIENT TEMP y SPAN OFF PROCESS UNITS Press ENTER to switch the process ON
70. re to Display P DISpBIay TaS K ccenn Hber oia 3 14 Leak Tests beak Test Task e o obs nas e dal 3 15 Transmitter Simulator EX SIM Task sa 3 16 Relief Valve Test REL VALVE TaSk oocooncccccccccnccccnoccnoconnnonnconcnonononncnonnnnnnnnonnnonnnnnnnnnnnnnnnrnnnnnnrnnnenannenannennns 3 17 Advanced Task General EP Tm 3 18 Selec npe tete NN o al o a de o a a O 3 18 Ambient Temperature Measurement cooccccccccncocnconccononononcnnnnnonnnnononnnonnnnnnnnnonnnnnnnnnnnnnnnnnnnnennnennnnnnninns 3 18 Process FUNCIONS et HELME 3 19 Tare Process FUNCION uu m 3 20 Min Max Process FUNCHOM a e o o i Rau at ae 3 21 Fiter FOC CSS FUNCION sas eccesaqens e EE II O E 3 22 FOW FUNCHON ciasna aa P 3 22 ot 2 EAEE E TU E ER E ee eee eee ee 3 22 Select CUNO UT bs teas ett aa ea et a le Siete eh can a oe ore tele 3 23 Electrical Outputs Loop Power cccceeccesecceecceeeceeeeseeeceeeseeeseeeseueesueesauecsueeeaeesseeeseeessaeesueeseessueesaees 3 23 MAS Dn a DE 3 24 MA RISUS ETT mE 3 25 MA VAUC RNC 3 26 A 3 26 PENNENEW Task m iea la a 3 27 erige e o A a O HR 3 27 Contd 3 1 KA266 Issue No 2 CONTENTS Contd Section 3 Operation Memory Operations Saving Display or DAlalOG us eror ext ales tae id eae ne Su RE curs s Un du ce 3 28 Store Operations Screen Snapshots ccccceccceecccececececeeeccecscenesceeeceeesseesoueecesesseesceeeseassoeeesesess 3 28 Recalling Store
71. ress F2 before pressing ENTER Electrical Outputs Loop Power For all the electrical outputs the output loop can be powered either by the instrument s internal 24V supply Sourcing or alternatively from an external supply current sinking To conserve battery power the 24V internal supply should be switched off even when not being used to power an external loop External connections to the front panel of the instrument are shown below for both sourcing and sinking applications e g CURRENT SOURCING CURRENT SINKING 24V ON 24V OFF max50V 4 max50V 4 CAT II CAT II PT P aZ 55mA mA in max SO ioo ew nag 10V out T rm on 24V out Xmtr LOAD cc 3 23 KA266 Issue No 2 Advanced Task mA Step To select one of the electrical output programs press the OUTPUT key and proceed as follows e g SELECT OUTPUT SELECT OUTPUT mA STEP SELECT PROGRAM PRESSURE INT O PRESSURE EXT gt LINEAR 0 20 mA gt TEIL SQ ROOT 0 20 mA VALVE 4 20 mA mA VALUE w E DCS 4 20 mA On selection of e g Linear the output display window changes to show the selected program of output currents e g TASK ADVANCED 24V OFF TASK ADVANCED 24V OFF SNAPSHOT MODE SNAPSHOT MODE LINEAR 4 20 mA STEP LINEAR 4 20 mA STEP uet 15A O To turn on the 24V supply for current sourcing applications press the OUTPUT key followed by the Right gt cursor key and select 24V Use
72. rocess FUNCION St A IIS 3 19 Tare Process FUNCION a ee nde erac Ido UE 3 20 Mint Mex Process FUNCION E Em E 3 21 Fiter Process UA io 3 21 FIOW FUNCION t M a a oler 3 22 e E PEO A EATE O deat 3 22 Select Pio beer CT T a 3 23 Electrical Outputs LOOP PO WE aa 3 23 MAD ID EUN ME NES 3 24 MARID A A MUCH A TEENS 3 25 1 Q D eene on cd RM MS 3 26 PANO NNNM T ED 3 26 STIS HIN TISK ER E UU T I N 3 27 A ERO HT PTT T e ELDER 3 27 Memory Operations Saving Display or Dalalog strain Edo vasco 02 a do vcP M vao u del Usar 2 EDa cor M oe 20d 3 28 Store Operations Screen Snapshots cccocccccnccccccocnoncnncnnncnnnonanonononnononnnnnnnnonnnnnnnnnnnnenarnnnnnenaninanens 3 28 Recalling Stored Data Screen Snapshots occccccccccccccnccncncncnnnnnnnnnnconnnoncnnnnnonnnonnnnnnnnonnnnnnrnnnnnonaninons 3 28 BrtzieekGleiie cp e TE 3 29 AUTO LOO TINET E E D EIER 3 29 UE EET 3 29 Recall Datalod mic E tad add 3 30 Uploading Datalog Fle Susi camenmndilaas be aetaduam a a a adenylate 3 31 Delete Datalog and Procedure Files leslie eene nennen nennen nnn nnn nnns 3 31 Downloading Procedure Files DPI 325 only ccooonnccoccnncccnccncccnncccnoncononcnonanncnncnnoncnnonnncnnnrnnnnrnnonnnnnnnnnss 3 32 Running Procedure Files DPI 325 Calibrators only ccooocccoccnccccnnoncccnoncnonnnncnncnnoncnnonnnonnncnnnnrncnnnnss 3 33 Recalling Data Files DPI 325 Calibrators only oocccoonccconcccocnncnncnconcnnnnnnnonn
73. ss the source as shown below L max 50V j Cal V 55mA max mA Sink 4 DVM mA out 10V out J J 5 5 KA266 Issue No 2 Calibration Procedures 5 Set the variable supply voltage to 5V 0 1V and enter the measured full scale voltage applied as shown below e g CHANGE VALUE CALIBRATING VOLTAGE CALIBRATING VOLTAGE CALIBRATING VOLTAGE 4 RANGE 5V RANGE 5V RANGE 5V Q Apply nominal FS value Enter Applied Value Enter Applied Value Press ENTER key when v applied value is stable L L L L li zac B el x CHANGE iaa iS a o e Arg RANGE i m 1 359372e 05 c 7 128004e 00 Applied Measured 0 0000 524360 4 9844 875081 Calibration Complete Press ENTER to continue 6 Press the ENTER key to accept the calibration Press the EXIT key once to return to the calibration menu or four times to quit the CALIBRATION and SETUP modes 7 Verify the calibrator calibration by applying the test voltages given in Table 5 2 to the voltmeter after both voltage ranges have been calibrated 8 Disconnect the calibration test setup Voltage Input Range 50 Volts The following procedure should be adopted for calibrating the internal 50 Volt range 1 Switch the calibrator on enter CALIBRATION mode and select INT RANGES from the CALIBRATION MENU as shown on Page 5 2 2 Select 50V range for calibration as shown below CALIBRATION SELECT CAL OPTION SELECT RANGE SELECT
74. sters carefully and away from drafts Calibration Protection In order to protect against accidental loss the calibration of this calibrator is protected by a PIN number Initially this PIN number is set to 4321 To prevent unauthorized access to the calibration routines it is recommended that this PIN number should be changed at the earliest opportunity refer to page 5 3 Calibration Check Compare the calibrator readings with a known standard Any deviations between the calibrator and the standard should be noted taking due account of the traceability accuracy to a National Standard If these deviations exceed the published tolerance or any other suitable chosen performance standard then a calibration adjustment can be carried out It is recommended that measurements be checked at 0 20 40 60 80 and 100 of full scale in an ascending and descending order Refer to Tables 5 1 to 5 4 pages 5 15 to 5 16 for details of test inputs and tolerances Calibration Adjustment If the calibrator is operating correctly only zero and full scale calibration will vary Any excessive non linearity or temperature effects indicate a fault In these circumstances the calibrator should be returned to a qualified service agent refer to preliminary pages 5 1 KA266 Issue No 2 Calibration Procedures Test Equipment The following laboratory standard test equipment will be required for the calibration procedures Instrument Calibration Calibrat
75. t pressure Units from the Settings menu and select Special Units and proceed as follows SELECT SPECIAL UNITS REGULAR UNITS ENTER NAME OF UNITS SELECT SPECIAL UNITS lb ft inH20 mbar bar Pa hPa kg cm kg m mmH20 inH2020 LABEL E ftH20 ftH20 2 ftH20 99 kPa mPa mmHg cmHg mHg cmH20 mH20 torr atm REMOVE EDIT o 9 SPECIAL UNITS SELECT SCALING 4 9 e Q9 UNITS TO PASCAL SCALING FACTOR 10 0000 PN NN VALUE Language UNITS TO PASCAL SCALING FACTOR PN NN VALUE 9 10 0000 ENTER SCALING FACTOR EXAMPLE feet of sea water ftH O sea specific gravity 1 0281 at 0 C 32 F with salinity of 3 5 conversion factor 3073 062 see the preliminary pages of the manual for a table of conversion factors Select the LANGUAGE version required from the Settings menu and proceed as follows LANGUAGE ENGLISH FRENCH GERMAN ITALIAN PORTUGUESE SPANISH SELECT OPTION KA266 Issue No 2 Using Setup RS232 Select RS232 from the Settings Menu and proceed as follows SELECT PARAM SELECT VALUE SET COMMS 2 SET COMMS O DATA RATE Q DATA RATE Q DATA BITS 8 DATA BITS 8 STOP BITS 1 STOP BITS 1 v PARITY PARITY NONE HANDSHAKE HANDSHAKE NONE Note Communications default settings are shown above Powerdown Select POWERDOWN from the Settings menu The method of setting up the Powerdown Auto Power
76. ta Log Memory operations depend upon how Store Mode has been set up Three options are available None Snapshot and Data Log Refer to SETUP for details Store Operations Screen Snapshots To store any display menu displays excepted press the STORE key This saves the current display to the next available location Supporting text 10 characters may be appended Twenty memory locations are available on a cyclic buffer When all 20 store locations have been used store operations overwrite existing locations starting at Location 1 TASK ADVANCED 24V OFF TASK ADVANCED 24V OFF SNAPSHOT MODE SNAPSHOT MODE 28080 22080 m d cU CUGUOD Recalling Stored Data Screen Snapshots To recall a previously stored display press the RECALL key This recalls the last display saved Press the Left or Right gt cursor keys to recall the previous or next locations respectively To exit RECALL press the EXIT key TASK ADVANCED 24V OFF SELECT LOCATION SNAPSHOT 2 TEST19 RECALL C caua 99 20000 KA266 Issue No 2 3 28 DPI 320 325 Pneumatic Calibrator User Manual Memory Operations Data Log Operations Data Log is a special application of store mode which enables the calibrator to either automatically log displays at preset time intervals or to manually log a display on operation of the STORE key Logged data is written to a user specified file To set up a Data Log file proceed as follows O Select a task
77. ted for calibrating the internal pressure range 1 Ensure that the gas bottle is fully charged The charging procedure is described on page 3 2 2 Allow the calibrator s temperature to stabilize in the test environment for a minimum of 1 hour 3 Ensure that the Coarse pressure regulator is set to ZERO fully counter clockwise that the ball valve is set to Coarse and that the purge valve is OPEN 4 Connect the output port of the calibrator to a pressure standard suitable deadweight tester and CLOSE the purge valve b Switch the calibrator on enter CALIBRATION mode and select INT RANGES from the CALIBRATION menu as shown on page 5 2 and then PRESSURE INT 6 Apply zero pressure and store the zero point as shown below e g SET VALUE CALIBRATING PRESSURE INT CALIBRATING PRESSURE INT CALIBRATING PRESSURE INT RANGE 3000 0 psi g RANGE 3000 0 psi g RANGE 3000 0 psi g Apply nominal zero value Enter Applied Value gt Press ENTER key when applied value is stable EIN O O O 7 Slowly open the Coarse regulator and apply full scale pressure to the pressure reference 8 Set the ball valve to Fine and allow the output pressure to stabilise Use the Fine volume adjuster to trim the output pressure to exactly 3000 psi as indicated by the pressure reference Store the full scale point as shown below e g CALIBRATING PRESSURE INT CALIBRATING PRESSURE INT CALIBRATING PRESSURE INT RANGE 3000 0 psi g RANGE 3000 0 psi g RAN
78. temperature effects to stabilise 5 If a leak is detected to determine that the leak is in the external system make sure that the ball valve is set to Fine and open the purge valve Disconnect the external system and refit the sealing plug to the test port Close the purge valve and pressurise the calibrator s output manifold Carry out a leak test with no external system connected see page 3 14 Note allow a sufficiently long wait period for pressure variations due to temperature effects to stabilise Electrical faults 1 If the instrument will not switch on this indicates that the battery is discharged Plug in the power adapter charger unit and allow the battery to charge The instrument should run as soon as the power adaptor is connected 2 Ifthe low battery warning is displayed approximately one minute of operating time is left before the instrument turns off Plug in the power adapter charger unit see page 3 3 3 Ifthe instrument keeps switching off check that the timing on the Auto Power Off facility is not set to too short a period Alternatively switch the Auto Power Off feature to OFF see page 3 38 Check also the charge state of the battery Gas Cylinder Certification The label on the front of the calibrator indicates the date that the gas cylinder was last certified It is recommended that the gas cylinder be re certified at intervals of 5 years Check label to see if re certification is due 4 1 KA266 Issue N
79. the Coarse and Fine controls to pressurize the external system to the required LEAK TEST pressure O Press the RUN F2 key to start the leak test When completed the beeper sounds and the leak test results are written to the display 3 15 KA266 Issue No 2 Taking Measurements Transmitter Simulator TX SIM Task Provides a current output proportional to the calibrator s measured output pressure Select task TX SIM Press EXIT to skip setup screen if parameters are correct Tx SIMULATION ia Tx SIMULATION pu LOWER POINT a 4 LOWER POINT O 0 000 i 0 000 si 4 000 nA v A v UPPER POINT 20 000 psi 20 000 mA UPPER POINT 20 000 psi 20 000 mA o e SET VALUE SET VALUE Tx SIMULATION Tx SIMULATION LOWER POINT O LOWER POINT a 0 000 psi gt 0 000 psi 3 gt 4 000 mA v 4 000 mA v UPPER POINT UPPER POINT 20 000 psi 20 000 psi 20 000 mA 20 000 mA of On completion of Tx SIM setup the display is configured as follows e g TASK TX SIM 24V OFF SNAPSHOT MODE 20006 Set up the output loop as detailed on page 3 23 and turn on the internal electrical supply if required To subsequently change any of the TX SIM scaling parameters press CHANGE VALUE F1 to obtain the TX Simulation display To change the pressure units press INPUT and select the required scale units If the required scale units are not listed press SETUP select SETTINGS and proceed as detailed on pa
80. to 3000 psi Maximum Sale WORKING DrESS UNG ad in ia o e iuo Nee dee 3000 psi Accuracy Combined non linearity hysteresis repeatability and temperature effects 0 025 of Full Scale Temperature effects averaged over 15 F to 105 F and with respect to 68 F cccececceeeeceeeeeeeeeseeeeseeeeneeeens 0 002 of reading F Power Supply elei E rechargeable nickel cadmium battery pack M M nominal use 20 hours Charging eerie ci universal input charger battery eliminator allows calibrator use while charging Operating Conditions Calibrated temperature isre a e a nennen nna nena nnns 15 F to 105 F 10 C to 40 C Operating tempera cio 15 F to 120 F 10 C to 50 C RUMIA alison ste 0 to 90 non condensing riae li ias IP54 Storage Conditions TEMPEratUTe HOP 4 F to 140 F 20 C to 60 C Seo GA mcr Ep designed to EN61010 mete nde EE EN50081 1 EGY T EN50082 1 Electrical inputs Voltage fo cren x50 V D C ACCAC MM E N 0 05 reading n TE ce A E EEE ahh E A E A EA EE EA A 0 004 full scale ESOO a a N 100 uV maximum dgieliilnerzie ipe a e E E r gt 10 MQ Current ANGE ar C 55 mA D C O 0 05 reading AA A eee eat 0 004 full sc
81. trical Inputs and OUIDUTS skere Ste eres Mie ese dunes cea a Md ace Rade ala at lal ahs eat 2 6 e regigoROl M 2 6 Section 3 Operation SUPPI SAS tM T 3 1 Pressure Vacuum Contigua lo iaa Rs deron aa duc da 3 1 Charging the Internal Pressure Bottle t rob iaa a valles v VU ska tesa rene Ai aoa 3 2 Discharging the Internal Pressure Bottle coooccconcoccncconnconnonanocancnnnnononoconconononnnonncnnanonanonannrnnancnnnnanas 3 2 Charging ne Internal Bater quc as 3 3 Getting Started Change Pressure DIIS a od si dia 3 4 Voltage and Current Measurements coocccconccccnnnccncncconnnonannonnnnonnrnnnnnnnnnnnnnnnnnnnnnnnnnnnrnnnnrnnnnnnnnnnnnnnnrenananenannns 3 4 Typical Calibration Setup Pressure to Voltage cooocccocccccnccocncccncconccononnnnonononnnonnnnnnnnnnnnnonnnonannnnnnnenanenos 3 5 Generating Pressure General Procedure ccooccccocncccnncoconnccncononcnnonnnconncnonnnnnnnnnnnnnnnnonnnennnnonnnnnrnnnnrnnaninanass 3 5 Z609 Display A 3 6 Task Selection US UR DOOR EE PE E A EM E EI AE E E A E EE E E E EE 3 7 USA TASK FUNCIONS acosa a N Pee ames 3 7 ee NUS ose sas se acces o O 3 7 SELLA 0 are ne ias 3 7 CalMode DPL SORY sasuke a CA LUE RU a E 3 8 Basic Mode Task BAS ic ea ee et eee 3 8 Taking Measurements Pressure Transmitter Pall Task isses ie nl tie 3 9 Voltage Output Pressure Transmitter P V
82. ts of a number of Druck Universal Command Interface DUCI commands which are usually assembled by a linking management software application e g Druck Intecal W Before downloading a procedure the DPI 325 must be in the REMOTE mode To place the instrument into REMOTE mode proceed as follows O Connect the instrument s RS232 port to a free COM port on a PC O Ensure that the COMMS parameters of the PC match those of the instrument refer to page 3 38 O Ensure that the instrument is not already running a procedure If it is quit the procedure O Download the procedure Procedures are stored in the Data Log directory The following sequence shows a typical download sequence which commences with the instrument in LOCAL mode TASK ADVANCED 24V OFF TASK ADVANCED 24V OFF SNAPSHOT MODE SNAPSHOT MODE 0000 TASK ADVANCED 24V OFF SNAPSHOT MODE 0000 BN e ULL LILIL psi psi psi S REMOTE Temes LOCAL MODE REMOTE MODE gt DOWNLOAD 3 LOCAL AUTO cUUUU After the procedure file has been downloaded the instrument is usually returned to the LOCAL mode by the last command in the procedure file If the instrument remains in REMOTE mode switch it OFF and back ON to reset it KA266 Issue No 2 3 32 DPI 320 325 Pneumatic Calibrator User Manual Memory Operations Running Procedure Files DPI 325 Calibrators Only To run a procedure ensure that the DPI 325 is set to the Data Log mode see
83. ttery A fully charged battery will provide approximately 20 hours of continuous operation To prevent the battery from developing a partial charge memory it is recommended that it be allowed to fully discharge before recharging A battery capacity indicator is provided under the setup menu Hemote d Sensor Connector RS232 Figure 3 2 Calibrator Battery Charging Connection 3 3 KA266 Issue No 2 Getting Started Change Pressure Units To change the pressure units proceed as follows If the four units displayed are not the units required press TASK and select any task other than BASIC press SETUP and proceed as detailed on page 3 36 To return to BASIC mode press TASK and select BASIC TASK BASIC SELECT UNITS SELECT UNITS OF PRESSURE O co080 no O o O cUUUU In BASIC mode the unit is configured to carry out basic Pressure to Voltage P to V or Pressure to Current P to l tests a typical test procedures follow Voltage and Current Measurements Connect the electrical input sockets as follows for voltage and current measurements Use the test leads provided and DO NOT push bare wires into the sockets Note Max applied voltage 50V dc Max current 55mA dc VOLTAGE CURRENT CURRENT USING 24V INT SUPPLY USING EXTERNAL SOURCE l max 50V j CAT II M y 55mA g O ie 3 M e M o Note Max applied voltage for external loop supply 30V dc KA266 Issue No
84. u The procedure is shown below g Note The 24V selection is located on the second page of output functions SELECT OUTPUT ENABLE OUTPUT SELECT OUTPUT OUTPUT C A A NO OUTPUT a NO OUTPUT SELECT OUTPUT 24 VOLT OFF Q 24 VOLT OFF Note To conserve battery power keep the 24V supply switched off when not in use even if the output is unloaded KA266 Issue No 2 3 26 DPI 320 325 Pneumatic Calibrator User Manual Advanced Task Define New Task To define a new task proceed as follows O O Select ADVANCED from TASKS menu Using the INPUT key select the required measurand as the input display and set up any process functions required Using the OUTPUT key select the required measurand as the output display Press TASK and select free Enter new task name as follows TASKS TASKS ENTER TASK NAME ADVANCED CO2INLET O free 9 Qo free free mM free USER TASKS A TASK CO2INLET 24V OFF SNAPSHOT MODE CO2INLET free c BL O O On completion of this SAT V procedure the display po reverts to newly set up task as shown free v SAVE CLEAR NEW TASK TASK OSI Clear Task To clear a user defined task select TASK and proceed as follows TASK C TASKS A TASKS A free free SELECT OPTION CO2INLET CO2INLET O VALVE234 VALVE234 VALVE773 VALVE773 free free O t E Yes P wg 3 27 KA266 Issue No 2 Memory Operations Saving Display or Da
85. uge O Close the source pressure regulator turn fully clockwise O REFER TO WARNING ABOVE Carefully unscrew and remove the charging adaptor from the filling port and refit the dust cap O BEFORE USE ALLOW AT LEAST 30 MINUTES AFTER CHARGING FOR THE CALIBRATOR TEMPERATURE TO STABILIZE KA266 Issue No 2 3 2 E DPI 320 325 Pneumatic Calibrator User Manual Discharging The Internal Gas Cylinder WARNING THIS PROCEDURE SHOULD NOT BE CARRIED OUT IN A CONFINED SPACE O Turn the Coarse Pressure Regulator control on the calibrator fully counter clockwise and set the ball valve to the Coarse position O Remove a blanking plug from one of the test ports and connect the port to a suitable discharge point Slowly turn the Coarse Pressure Adjust regulator clockwise O Allow the gas cylinder to discharge This may take some time depending upon the residual charge in the cylinder Fully open the pressure regulator at the end point to ensure complete discharge When empty as indicated by the charge pressure gauge close the regulator and refit the blanking plug s to the test port s Charging The Internal Battery Initially the internal battery pack may not be fully charged and could give rise to a battery low indication To charge the battery fit the power adapter charger unit The battery charging external power connector is situated as shown in Figure 3 2 below Approximately 14 hours are required to completely charge a discharged ba
86. with existing settings or F1 to change process settings where applicable 3 19 KA266 Issue No 2 Advanced Task O Tare Process Function To set up a Tare function enable TARE from the process menu and press F1 to enter the Tare SETTINGS functions Disable TARE by entering process menu and turning the function OFF Note Last TARE setting is retained and will be applied when function is next enabled Tare Current Measurand Reading To tare off the current display reading proceed as follows e g TASK ADVANCED 24V OFF TASK ADVANCED 24V OFF SNAPSHOT MODE SNAPSHOT MODE caus UU0U cUUUU c 000 PSI psi MAKE READING TARE OFF ZERO A VALUE SETTINGS Tare Off An Entered Value To tare off an entered value e g of voltage proceed as follows TASK ADVANCED 24V OFF ENTER VALUE SNAPSHOT MODE TASK ADVANCED 24V OFF SNAPSHOT MODE cUUUU psi MAKE READING TARE OFF ZERO A VALUE VALUE 10 000 KA266 Issue No 2 3 20 DPI 320 325 Pneumatic Calibrator User Manual Advanced Task O Min Max Process Function To set up an input display to show min max and present measurand reading enable MAX MIN from the process menu and press F1 SETTINGS to provide RESET function The display is now reconfigured to show the max min values as follows e g Reset Max Min display at any time by pressing the F1 key To quit max min press INPUT select MAX MIN from process menu and switch the function off
87. xternal system connected to the instrument from introducing any contaminants to it Having connected a UUT the ball valve BV 1 is manually switched to Coarse open as drawn and the output pressure set to approximately the required level as indicated on the coarse pressure gauge PG 2 by means of the regulator REG 1 The true output pressure is given by the calibrator display Valve BV 1 is then switched to Fine removing the supply derived from the gas cylinder and REG 1 The pressure in the output ports can then be trimmed to the required pressure as indicated on the instrument display by means of the volume adjuster VA 1 A pressure to voltage transducer PDCR located on the outlet manifold interfaces with the calibrator electronics to provide a high precision readout of the output pressure Pressure gauge PG 2 Coarse Pressure permanently indicates the pressure output of the regulator providing a coarse indication of the pressure at the the output of REG 2 The reading on PG 2 should only be used as an indication of the instrument s output pressure The true output pressure should always be read from the digital display The general procedure for operation of the calibrator is described in Section 3 pages 3 5 and 3 6 KA266 Issue No 2 1 4 DPI 320 325 Pneumatic Calibrator User Manual pIoJiuouu Nano C y L Ad Zdl Indino A 2NOA 9BInd l Ldl Indino e eee ee L Aq SADA I

Druck High Pressure Pneumatic Calibrator DPI 320/325 User Manual

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