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Druck DPI 142/150 - Test Equipment Depot

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1. 2 Set the pressure standard to zero pressure If necessary press the zero key so that the instrument display shows zero 3 Adjust the pressure standard to the 0 span pressure value 4 Compare the pressure value of the pressure standard to the value displayed and record the difference 5 Repeat steps 3 and 4 for the 100 span pressure value If the recorded difference exceeds the tolerance in the table the instrument needs a calibration adjustment 7 Adjust the pressure standard to zero pressure Applied Pressure Tolerance span 0 01 FS The DPI 150 instrument has the following pressure ranges Table 4 Transducer Equivalent Pressure Units dc e E da ss a pia pa 02 0 35 Baca 35000 ESE 0 035 35000 500 3500000 35000 3500 fas ro Ge rama rose e E N EOS LL EC o IVA 5000 wa 200000 20000 20 so oo 5000 350000 35000 35 VA DR ono Fw roma re re K382 Issue No 1 6 Druck DPI 142 150 Calibration Manual Calibration Adjustment To adjust a calibration range of the DPI 150 proceed as follows 1 user supervisor 1 calibration status K 3 1150 00 mbara 20000 00 mbarg 21000 00 mbara e Q Q set pressure standard to enter PIN 000 A N a gt GS 1150 00 1003 65 mbar a do cal 0 span enter actual pressure
2. the accuracy of the indicator is not within the permissible deviation carry out a calibration adjustment Using the Set up Status Calibration History menu the calibration status of the indicator can be displayed on the front panel screen The Calibration History menu gives a list of dates of the stored calibration corrections Table 1 Absolute Pressure Calibration Equipment and Requirements DPI 142 and DPI 150 Option A Note Equivalent substitutes may be used Range Uncertainty Recommended Type required Equipment 35 mbar to 3500 mbar 0 005 Rdg RUSKA 2465 Piston gauge 1 K382 Issue No 1 Druck DPI 142 150 Calibration Manual Table 2 Gauge Pressure Calibration Equipment and Requirements DPI 150 Note Equivalent substitutes may be used Range 25 mbar to 70 mbar 200 mbar to 1 bar 2 bar to 20 bar 35 bar to 200 bar 350 bar 700 bar K382 Issue No 1 Uncertainty required 0 005 FS 0 005 Rdg 0 005 Rdg 0 005 Rdg 0 005 Rdg 0 01 Rdg Recommended Equipment Ruska 7050 or 7250 Pressurements 6000 or Ruska 2465 Ruska 2465 Ruska 2465 Ruska 2485 Ruska 2485 Tupe Indicator controller Dead weight piston gauge Piston gauge Piston gauge Piston gauge Druck DPI 142 150 Calibration Manual Preliminary Operations Review and become familiar with the whole procedure before beginning a calibration process Allow at least one hour for the calibrator to thermally stabilize aft
3. value produced by start calibration of this range press menu ok to start esc to cancel Tange UU LAT menu Apply nominal zero pressure press next when applied value is stable TTEXT I pressure standard mp 0 0000 mbar g next x _3 Sampling please wait 4 20000 0 0000 applied value 0 0000 lt 1 change PIN sensor correction Ca 20000 0 0000 mbar g next l NNNNA Apply positive full scale pressure press next when applied value is stable next 20000 20000 00 mbar g next x J Sampling please wait l 20000 20000 applied value 2000 00 Do you wish to accept cal Press menu ok to accept esc to cancel set pressure standard to 100 span 30 S enter actual pressure value produced by pressure standard Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 FAX 781 665 0780 TestEquipmentDepot com
4. Test Equipment 99 Washington Street Fa i Depot Melrose MA 02176 Trastructure Fax 781 665 0780 Sensing 1 800 517 8431 TestEquipmentDepot com Druck DPI 142 150 Pressure Indicator Calibration manual K382 D e J09 Druck DPI 142 150 Calibration Manual Introduction This technical manual provides calibration instructions for the Druck DPI 142 and DPI 150 Pressure Indicators Scope This technical manual provides calibration instructions for the calibration technician of this equipment series 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 This manual contains safety and operating instructions that 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 calibration technicians and good engineering practice for all procedures in this manual Pressure Do not apply pressure greater than the maximum safe working pressure to the equipment Technical advice For technical advice contact the manufacturer or subsidiary A qualified calibration technician must have the necessary t
5. a successful leak test set the instrument indicator mode 1 Connectthe pressure standard for the pressure range to be checked Note In DPI 150 instruments Option A connects internally to the negative reference pressure port 2 Adjust the pressure standard to the first pressure value A in the Table 3 3 Compare the pressure value of the pressure standard to the value displayed and record the difference 4 Repeat steps 2 and 3 for pressure value B in the Table 3 5 Ifthe recorded difference exceeds the tolerance in the table the instrument needs a calibration adjustment 6 Adjust the pressure standard to the first pressure value A in the Table 3 Applied Pressure Tolerance Pressure Ranges The DPI 142 instrument and the DPI 150 instrument with Option A have the following pressure ranges Table 3 Applied Barometric Pressures Barometric Range Pressure Values 750 to 1150 mbar absolute 750 mbar 150 mbar 5 to 1310 mbar absolute 310 mbar 5 to 2620 mbar absolute 35 mbar 2620 mbar 5 to 3500 mbar absolute 35 mbar 13500 mbar Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 FAX 781 665 0780 TestEquipmentDepot com Druck DPI 142 150 Calibration Manual Calibration Adjustment To adjust a calibration range of the DPI142 and DPI 150 Option A proceed as follows 1 user EN enter PIN change PIN superv
6. duced The terms are defined as follows Adjust To bring to a more satisfactory state to manipulate controls levers linkages etc to return equipment from an out of tolerance condition to an in tolerance condition Align To bring into line to line up to bring into precise adjustment correct relative position or coincidence Calibrate To determine accuracy deviation or variation by special measurement or by comparison with a standard Check Make a comparison of a measure of time pressure temperature resistance dimension or other quality with a known figure for that measurement Disconnect To detach the connection between to separate keyed or matched equipment parts Examine To perform a critical visual observation or check for specific conditions to test the condition of Inspect Review the work carried out by Specialists to ensure it has been performed satisfactorily Maintain To hold or keep in any particular state or condition especially in a state of efficiency or validity Operate Make sure that an item or system functions correctly as far as possible without the use of test equipment or reference to measurement Readjust To adjust again to move back to a specified condition to bring back to an in tolerance condition Reconnect To rejoin or refasten that which has been separated Reset To put back into a desired position adjustment or condition iii K382 Issue No 1 Druck DPI 142 150 Calibra
7. echnical knowledge documentation special test equipment and tools to carry out the required calibration on this equipment Associated Publications AR RO TARE DPI 142 User Manual O I DPI 150 User Manual lune DPI 142 150 SCPI User Manual i K382 Issue No 1 Druck DPI 142 150 Calibration Manual ABBREVIATIONS The following abbreviations are used in this publication Note Abbreviations are the same in the singular and plural abs absolute m metre C degrees Celsius mbar millibar const constant mm millimetre DPI digital pressure indicator GE Druck mmH gt 0 millimetres of water product esc escape NPT National Pipe Thread oF degrees Fahrenheit PIN personal identification number g gauge psi pounds per square inch h hour Ref reference IEEE institute of electrical and electronic RS232 serial interface communication 488 engineers standard 488 data standard inHg inches of mercury SCPI standard commands for programmable instruments kg kilogram s seconds kts knots TBA to be advised Ibs pounds CONTENTS Title page Moda CUON Lee 1 PICIIMINOryOPeralonsiagiate leali ea 3 Calibration Check DPI 142 and DPI 150 Option A arcana 4 Calibration Adjustment racen cocsctaertroce RE ROO A 5 COOCOO CHECK DPI TSO oreen ii 6 Calibratio n AgGjUSIMENE acie iaia 7 K382 Issue No 1 ii Druck DPI 142 150 Calibration Manual Glossary Terminology The terminology used in this manual is specific and individual interpretation must not be intro
8. er switching on and before calibration Before starting a calibration procedure Carry out a leak test If necessary and as a separate procedure from the calibration procedure Notes on calibration The pressure standard outlet port and the indicator inlet port must be at the same level On gauge measurements applying positive pressure to the reference port produces a negative pressure Set the calibrator units of pressure to one of the following recommended units of pressure measurement Pa hPa kPa MPa bar mbar torr kgf cm Calibration Security GE Druck strongly advise protection of the set up menus in this equipment Unauthorised access to the calibration menu can result in degraded performance and inaccuracy The factory set PIN is 4321 press MENU OK The code can be changed to another code of 4 digits entering 0000 disables this security facility Note Refer to the user manual to change PIN codes General 1 Carry out a leak check refer to the User Manual Connect the instrument and carry out a calibration check 2 3 If necessary carry out a calibration adjustment 4 After completing the calibration adjustments adjust the calibration standard to atmospheric pressure Pn Carry out a calibration check to verify this procedure 6 Disconnect calibration standard from the instrument 3 K382 Issue No 1 Druck DPI 142 150 Calibration Manual Calibration Check DPI 142 and DPI 150 with Option A After
9. isor 0 00 0 sensor correction calibration status De 4 gt ZN i e e eee WwW E 20000 1150 00 mbar g i mbar a range do cal next 1150 00 mbara li 20000 00 mbarg 21000 00 mbara ea set pressure Apply positive full scale t d 115000 pressure press next standar start calibration of when applied value A this range is stable v press menu ok to start next esc to cancel n 1150 00 set pressure standard SS Apply nominal zero pressure press next when applied value is stable nox C 1150 00 Sampling please wait 750 00 RT 1150 00 Sa applied value 1150 00 nai E enter actual I pressure value A produced by EE _ n PISSSHIS standard Sampling please wait T Do you wish to accept cal Press menu ok to accept enter actual IDEE SEI pressure value 750 00 produced by applied value 750 0000 ng pressure standard 5 K382 Issue No 1 Druck DPI 142 150 Calibration Manual Calibration Check DPI 150 After a successful leak test set the instrument to indicator mode 1 Connect the pressure standard for the pressure range to be checked
10. tion Manual Test Ascertain by using the appropriate test equipment that a component or system functions correctly Uncertainty The uncertainty of a measurement is defined as a parameter associated with the result of a measurement that characterises the dispersion of values that could be reasonably be attributed to the measurand Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 FAX 781 665 0780 TestEquipmentDepot com Druck DPI 142 150 Calibration Manual Pressure units and conversion factors Pascals Pascals i 1000000 9 80665 Table of pressure units and conversion factors Unit Conversion To convert FROM pressure VALUE 1 in pressure UNITS 1 TO pressure VALUE 2 in pressure UNITS 2 calculate as follows VALUE 2 VALUE 1x FACTOR 1 FACTOR 2 Note 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 tem perature of 68 F these units are normally used in the USA V K382 Issue No 1 Druck DPI 142 150 Calibration Manual Introduction At manufacture this instrument is calibrated against precision calibration equipment which is traceable to the U K National Physical Laboratory The DPI 142 and DPI 150 incorporate a calibration menu for the indicator to stay accurate a calibration check should be carried out at chosen intervals the recommended maximum interval is 12 months If

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