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USER`S MANUAL - Meriam

1. and bottom line reads UNITS SELECT key If an error is made during the contrast adjustment pressing the 4 key returns the display to the previous contrast setting 15 Meriam Direct ca Meriam Direct a 1 800 868 Data Logging Data Logging can be used to record pressure measurements Two record modes are supported automatic and manual In automatic mode a pressure value is captured every 5 seconds for 20 minutes resulting in 240 stored values In manual mode a pressure value is captured each time the PRGM key is pressed up to 240 values The data collected during a logging session can be viewed upon completion 1 From the Measure Top line reads PROGRAM Mode press the PRGM MODE and bottom line key reads UNITS SELECT key four times LOGGING 3 Press the PRGM Top line reads DATA key LOGGING and bottom line reads RECORD 4 Press the PRGM Top line reads RECORD key and bottom line reads AUTO or MANUAL 5 Press the PRGM Top line reads key at AUTO to start RECORDING automatic logging or at bottom line reads XX XX MANUAL to start UNITS AUTO records manual logging mode value every 5 seconds Manual records value each time PRGM key is pressed 6 To stop recording Top line reads DATA values at any time LOGGING and bottom line press the key reads RECORD 7 To access recorded Top line reads DATA valu
2. 34 Meriam Direct ca Meriam Direct a 1 800 868 Meriam Direct ca Meriam Direct 1 800 868 User s Manual 9R000045 F January 2011 Certification Safety Warnings All M2 Series models are available for general purpose use non hazardous areas Optional Intrinsically Safe 1 5 certification for hazardous area use is available for all models except the M200LS General Purpose G P versions are identified by the name plate located on the rear of the unit under the protective rubber boot A sample of the General Purpose name plate is shown below we meriam nw ies Operating temperature Cleveland OH 44102 USA lt 1 lt 50 www meriam com Handheld Manometer for General Purpose Locations Model M2 Series CAUTION Use 4 AA batteries of the type and brand j KP Intrinsically Safe versions are identified by the name plate located on the rear of the unit under the protective rubber boot A sample of the I S name plate is shown below i CE 0539 9111 G ANM Ex ia IIC 4 Cleveland OH 44102 USA y cede 0615699 Model 2 Seri IP 40 Handheld Manometer for Hazardous Locations s LDiv 1 Groups Safe Exia Class 1 Zone 0 AEx ia T4 us Class 1 Zone 0 ia T4 5 C lt Ta lt 50 C LISTED WARNING Substitution of components may impalr Intrinsic 22W1 saf
3. Flow Unit Select Smart Manometers that use differential pressure sensors can be programmed to display flow measurement units such as CFM or L min The primary element must be a differential pressure square root type device such as a pitot tube orifice plate or venturi The flow constant and flow units description are programmed into the manometer using the same keystrokes used in the User Unit Select programming At step 3 choose FLOW UNIT SELECT instead of USER UNIT SELECT Calculate the Flow constant from the following equation F Q DP where F Flow constant Q Flow rate from the flow element 9 Meriam Direct ca Meriam Direct a 1 800 868 calculation sheet any flow unit DP Differential pressure corresponding to Q unit must be inches H20 20 C Example If the DP is 25 inches H20 20 C when the flow rate is 10 000 units then the Flow constant is 2 000 Damp Rate Select Adjustable exponential type damping is available to steady the display when measuring pulsating pressure or flow The Smart Manometer has a range of damping rates 0 1 0 2 0 5 1 2 5 10 or 25 seconds Exponential damping shows approximately 7096 of a step change in pressure upon the next display update When set for 5 second time constant it takes 5 seconds from the time of the step change until the manometer displays the full value of the new pressure To set the damp rate follow the steps below 1 F
4. 8 Press the PRGM Top line displays MIN MAX key pressure values at left right Bottom line reads the current pressure value and units At end of test period top line displays the leak rate in units per minute Bottom line shows the live pressure reading NOTICE The Auto Shut Off timer is disabled for Leak Test sessions Be sure to end the session to re enable the Auto Shut Off timer 17 Meriam Direct ca Meriam Direct a 1 800 868 Re Calibration The Manometer can be re calibrated in the field for zero span and linearity The proper primary standards must be available prior to calibrating the Manometer These standards should meet the accuracy requirements for your company or industry Meriam Process Technologies follows the guidelines established by ANSI NCSL Z540 1 1994 which requires that the primary standard be 4 times more accurate than the unit under test The re calibration is not intended to replace the Factory Lab Calibration Procedure It is intended to correct the curve fit if the actual sensor characteristics change slightly over time For sensors up to 200 PSI Meriam recommends a 0 0015 of reading deadweight tester For sensors 200 PSI and above a 10 003095 of reading deadweight tester is recommended If calibrating using inches of water units be sure to match the reference temperature of water in both the unit under test and the M2 Note that Al type M200 manometers require Absolute referen
5. User Connections Connection 1 8 female NPT 316L SS P1 is the high pressure connection P2 is the low pressure connection The pressure connections are marked in two locations identified as P1 and P2 One location is the top of the keypad shown on cover photo The second marking is stamped into the pressure manifold next to the pressure connections as shown below Gl Cl or Al M201 w PTR NOTES PTR is a Push to Read Valve offered as an option for the M201 Rotary Gas Meter product FP is a Flushing Port design offered as an option for M200 DI wet wet models P1 is the high pressure connection P2 is the low pressure connection for DN and DI units P2 is plugged at factory for GI Cl and Al units Do not remove a factory installed P2 plug 29 Meriam Direct ca Meriam Direct 1 800 868 GI Cl and Al models use only the P1 pressure port The unused P2 port vents the enclosure to atmosphere a vent plug is factory installed in the P2 port NOTICE Connection to the incorrect pressure port on DN or DI differential pressure modules may cause damage to the pressure sensor See the Specifications section of this manual for over pressure limits If over pressure damage occurs the unit must be returned to the factory for sensor replacement NOTICE User must use a wrench on the pressure manifold when installing user s 1 8 NPT fitting Do not tighten the fitting without using a wrench on the
6. the unit Remove the batteries by pulling the positive side first straight out of the battery compartment Note the positive and negative battery polarity markings at the bottom of the compartment as shown here 27 Meriam Direct ca Meriam Direct a 1 800 868 To install the four batteries 1 Make sure polarity of battery matches the markings in the compartment 2 1st place the end of the battery into the battery slot 3 Then push in the end of the battery until seated in the bottom of the battery slot The battery compartment has stand offs molded into the side of the compartment When a battery is installed with the polarity reversed the stand offs prevent the negative battery terminal from contacting the positive terminal in the battery compartment The unit will not power up when a battery is installed this way Should this happen simply reverse the battery to align the polarity With the batteries secured in the battery compartment replace the compartment cover The cover has only one correct alignment The WARNING DO NOT OPEN IN EXPLOSIVE ATMOSPHERE statement on the battery cover must be visible and aligned in the middle of the manometer case To secure the cover torque the screws clockwise to 1 6 1 8 in lbs Do not over tighten NOTICE To prevent internal damage to circuitry do not substitute screw lengths for the factory supplied screws 28 Meriam Direct ca Meriam Direct a 1 800 868
7. APPLY Bottom line displays the cal point value to apply Top line reads POINT 4 5 APPLY Bottom line displays the cal point value 21 Meriam Direct ca Meriam Direct a 1 800 868 10 Use up or down arrow keys to select NO or YES when asked Save the Re Calibration data 11 Press the PRGM key at YES to save the Re Calibration data or at NO to exit without saving Top line reads SAVE Bottom line reads NO or YES Top line reads RE CAL Bottom line reads START Re cal is complete 12 Press the left arrow Returns to Measure Mode key Re Calibration Restore Factory Defaults To restore the re calibration data to the factory defaults follow these steps Display 1 With unit OFF press and hold the MIN MAX key turn the unit on using the ON OFF key then release 2 Press the up arrow key twice 3 Press the PRGM key 4 Use the up and down arrow keys to select YES or NO when asked to restore defaults 5 Press the PRGM key at YES to restore the Factory Default Calibration data or at NO to exit without restoring Top line reads RE CAL Bottom line reads EDIT Top line reads RE CAL Bottom line reads RESTORE DEFAULTS Top line reads RESTORE DEFAULTS Bottom reads YES or NO Top line reads RESTORE DEFAULTS Bottom reads YES or NO Top line reads RE CAL Bott
8. mode P1 HI only is 3x range P2 LO only is 3x range or 150 PSI whichever is less 24 Meriam Direct ca Meriam Direct a 1 800 868 Connection 1 8 female NPT 316L SS DN and DI Types P1 is the high pressure connection P2 is the low pressure connection GI Cl amp Al Types P1 is the pressure connection and P2 is plugged with factory fitting Standard DN amp DI manifold Gl CI amp Al manifold Battery Type 4 each AA alkaline batteries 711954 ATEX certified models require the use of approved batteries to maintain the ATEX certification Refer to Dwg No 9R000056 M2 Intrinsically Safe Control Document for a list of batteries approved for hazardous atmospheres A copy of this drawing accompanies each unit shipped A WARNING Remove and or replace batteries in non hazardous areas only Battery Operation 2100 hours continuous use 1 year shelf life auto power off programmable at Disabled 10 20 30 60 or 90 minutes Enclosure 6 9 x 3 8 x 2 3 Polycarbonate Permanently Static Dissipative ESD Protection Enclosure with Boot 7 2 x 4 2 x 2 5 25 Meriam Direct ca Meriam Direct 1 800 868 EC Declaration of Conformity This is to declare in accordance with Directive 94 9 EC that the following product s are designed and manufactured in accordance with Annex II of Directive 94 9 EC The manufacturer attests on their own responsibility that the
9. of the display reads ZERO IN PROGRESS and the bottom line counts down from 9 The process is complete when the unit returns to Measure Mode The lockout function if enabled does not prevent zeroing of the manometer NOTE The smart manometer can only be zeroed if the new zero value is within 5 of FS of the original factory calibrated zero If the zero D Zero E procedure generates a new zero value outside this limit a ZERO G RANGE ERROR message appears indicating that the procedure failed Factory service may be required 5 Meriam Direct ca Meriam Direct a 1 800 868 To Zero Al Absolute Type Manometers Start with the unit turned OFF and use the following keystroke sequence Keystroke Display 1 Press ON OF button The display briefly shows header name and full scale range in the last engineering unit selected Then goes into the Measure Mode to display pressure 2 Connect the M200 to a vacuum source capable of a vacuum of 100 microns absolute pressure or less 3 Pull a full vacuum Display should read close to zero See note on next page 4 Press Min Max and Top line of display reads Hold keys at the same ZEROING SOURCE Bottom line time See figure 1 of display reads REF TO ABS above ZERO 5 Press the PRGM key Top line of display reads ZERO IN PROGRESS while bottom line counts down from 9 Zeroing is complete when unit returns to Measure Mode 3 Progr
10. values are acceptable skip this section and proceed to the re calibration 5 Point START procedure 1 With unit OFF press Top line reads RE CAL and hold the MIN MAX Bottom line reads EDIT key turn the unit on using the ON OFF key then release 2 Press the PRGM key Top line reads CAL POINT 1 Bottom line displays the cal point value 3 Press the up down Bottom line displays the cal arrow keys to edit the point value The cursor selected digit Use the flashes at the first position left right arrow keys to while the value is changed change the cursor then moves to the right position Note For 0 position when the right go directly to step 4 arrow key is pressed 4 Press the right arrow Top line reads CAL POINT key while on the right 2 Bottom line displays the most digit to proceed cal point value 5 Repeat steps and 4 Top line reads CAL POINT for CAL POINTS 2 3 4 2 3 4 5 Bottom line and 5 displays the cal point value 6 After editing CAL Top line reads RE CAL POINT 5 press the right Bottom line reads EDIT arrow key while on the right most digit to proceed 7 To perform the 5 point Top line reads RE CAL re cal press the up Bottom line START arrow key until START is Continue with 5 Point Re displayed on the bottom calibration procedure at line step 3 on next page OR OR To exit without Returns to Measure Mode performing the 5 point re cal pre
11. HUT OFF ENTER TO SELECT in this manual key number of the manometer 8 Press the up arrow Top line reads LOCKOUT key Instructions for CODE and bottom line reads using LOCKOUT are ENTER TO SELECT on page 12 9 Press the up arrow Top line reads HEADER key Instructions for NAME and bottom line reads editing the Header MERIAM The cursor on page 13 flashes at bottom left 10 Press the left arrow Top line reads PROGRAM key to go back to and bottom line USER INFO SELECT reads USER INFO screen SELECT 11 Meriam Direct ca Meriam Direct a 1 800 868 Auto Shut Off Enabling the Auto Shut Off feature allows the manometer to turn itself off after a user selected period of keypad inactivity Selectable options include DISABLED 10 Minutes which is the factory shipped default 20 Minutes 30 Minutes 45 Minutes and 60 Minutes Disabling this feature requires the manometer to being turned off manually using the On Off key To configure auto shut off follow these steps 1 Follow steps 1 6 in Top line reads AUTO SHUT the User Info Select OFF and bottom line reads table ENTER TO SELECT 2 Press the PRGM Top line reads AUTO SHUT key then the up or OFF and bottom line toggles down arrow keys until to DISABLED 10 20 the desired shut off 30 45 and 60 minutes time is shown 3 Press the PRGM Desire
12. User s Manual 9R000045 F January 2011 M2 Series Smart Manometer USER S MANUAL SMART w manome tiA Meriam Process Technologies M2 Series Products M200 Smart Manometer M200 DI Wet Wet Smart Manometer M200LS Lab Standard Smart Manometer and M201 Rotary Gas Meter Tester are microcontroller based devices used to directly measure and display pressure Differential dry dry Differential wet wet Gauge Compound and Absolute type pressure sensors are supported Pressure can be displayed in user selected engineering units Differential units also have a square root flow unit selection Data Logging and Leak Test functions are standard M2 Series models are available for general purpose use or with optional Intrinsically Safe certification to the specification shown below all models except M200LS Optional ATEX rating not available on M200LS models 0539 11 DEMKO 06 ATEX 0615699 Ex T4 Tamb 5 C to 50 C wan A meriam process technologies m Senti Fetzer comnany Meriam Direct ca Meriam Direct a 1 800 868 Safety Information understand and follow all safety warnings and instructions provided with this product Also meet or exceed your employer s safety practices Failure to follow all instructions could result in injury Read In no event shall Meriam be liable for any indirect special incidental consequential or punitive damages or for any lost profits arising out of o
13. am Mode The program mode is used to configure the manometer for Measure Mode operation After the PRGM key is pressed in Measure Mode the top line of the display reads PROGRAM The bottom line reads UNITS SELECT Press the A or V arrow keys to scroll through the Program Mode to the desired register The configurable registers that are found in Program Mode are Units Select Damp Rate Select User Info Select Conirast Select Data Logging Leak Test and Exit Two sub modes under Units Select are provided User Unit Select and Flow Unit Select Press the PRGM key to select either of these sub modes and set up their respective function The manometer can be put into Program Mode at any time during Measure Mode operation by pressing the PRGM key If Lockout is set the correct code must be entered when prompted 6 Meriam Direct ca Meriam Direct a 1 800 868 Units Select The standard engineering units available on the Smart Manometer are PSI inH 0 20 C 60 F and 4 C Kg cm kPa mbars Bars cmH O 20 inHg 0 C mmHg 0 C User Units Flow Units To change the engineering units the manometer should be ON and in Measure Mode Then follow these steps 1 Press the PRGM Top line reads PROGRAM key and bottom line reads UNITS SELECT 2 Press the PRGM Top line reads UNITS key SELECT and bottom line shows current engineering units 3 Press th
14. apparatus has been constructed in accordance with the principles of good engineering in safety matters and that any routine verification and test required by Clause 27 of EN 60079 0 2006 has been successfully completed Manufacturer Meriam Process Technologies a Scott Fetzer Company 10920 Madison Avenue Cleveland Ohio 44102 USA Product Description M2 Series Type PI60B handheld process control equipment for Hazardous Locations 0539 16 Intrinsically Safe Exia Ex ia IIC 4 Class 1 Zone 0 AEx IIC T4 DEMKO 06 ATEX 0615699 Class 1 Zone 0 Ex ia IIC 4 Class 1 DIV 1 Groups A B C D T4 5 C lt Ta lt 50 C 1 40 Certifying Agency UL International DEMKO A S Testing amp Certification 0539 P O Box 514 Lyskaer 8 DK 2730 Herlev Denmark M2 Series hand held products are compliant with the following Directives Directive 94 9 EC EMC Directive 2004 108 EC Marking Directive 93 68EEC M2 Series hand held products are compliant with the following Harmonized Standards Hazardous EN 50020 2002 Electrical apparatus for potentially explosive atmospheres Intrinsic safety i EN 60079 0 2006 UL Standard for Safety Electrical Apparatus for Explosive Gas Atmospheres Part 0 General Requirements EN 60079 26 2004 Electrical apparatus for explosive gas atmospheres Part 26 Construction test and marking of Group II Category 1 G electrical apparatus EMC EN 61326 1 2006 Electrical equipment for measur
15. arrow Returns to Measure Mode key 14 Meriam Direct a Meriam Direct ca Top line reads PROGRAM and bottom line reads UNITS SELECT Bottom line changes to USER INFO SELECT Bottom line shows serial number Top line reads HEADER and bottom line reads MERIAM The cursor flashes at bottom left Top line reads PROGRAM and bottom line reads USER INFO SELECT Displays a number between 0 and 9 a letter from A to Z blank space 8 Press the right arrow Cursor advances one key to accept entry space to right Top line reads PROGRAM and bottom line reads UNITS SELECT 1 800 868 Contrast Select The Contrast Select register allows the user to adjust the character contrast of the LCD display to provide the best visibility for the ambient light conditions To adjust the contrast follow these steps 1 From the Measure Top line reads PROGRAM Mode press the MODE and bottom line key reads UNITS SELECT key three times CONTRAST SELECT 3 Press the PRGM Top line reads CONTRAST key SELECT and bottom line shows a numeric value 4 Press the up or LCD lightens or darkens down arrow keys to depending on the value set increase or decrease the contrast value A low number gives maximum contrast and a high number gives minimum contrast 5 Press the PRGM Top line reads PROGRAM key
16. ced dead weight testers or standards for field recalibration 1 point within upper 5096 of Full Scale 5 point nominal values of 096 25 50 75 amp 100 of Full Scale and restore factory default re calibration options are offered For the 5 Point re calibration points 2 3 and 4 can be adjusted within 1 of reading around the nominal values Point 5 can be adjusted within 1 of reading around nominal Point 1 is fixed For example for a 2000 inH2O sensor Point 2 25 can be edited from 495 to 505 inH2O Point 5 100 can be edited from 1980 to 2000 inH2O The unit can only be re calibrated if the calibration points are within 5 times the accuracy of the original factory calibration e g 0 05 accuracy the point limit is 0 25 of Full Scale If the re calibration procedure generates a new value outside this limit the procedure will fail In this case the unit would need to be returned to the factory for service Once a re calibration has been performed either 1 point or 5 point the unit will continue to allow future re calibrations only with that type of re calibration In order to enable the other re calibration type the user must first Restore Factory Defaults and then choose the desired re calibration method 18 Meriam Direct ca Meriam Direct a 1 800 868 Re Calibration 1 Point EDIT and START To perform a 1 point re calibration apply a pressure between 50 and 10096 of Full Scale and then fol
17. d OH 44102 Ph 216 281 1100 FAX 216 281 0228 E mail sales meriam com Web www meriam com 31 Meriam Direct ca Meriam Direct a 1 800 868 Appendix 1 Rotary Gas Meter Tester Instructions The M201 Rotary Gas Meter Test has unique firmware designed for natural gas distribution companies performing drop tests across positive displacement rotary vane meters in the field This model uses the same pressure sensor technology and packaging as other M2 Series products but uses custom firmware to provide a mathematically averaged pressure from test start to test stop The user determines the test duration A number of the standard M2 Series programming options are eliminated from the M201 firmware See Addendum No 9R124 IR M201 Rotary Gas Meter Tester for unique information on model M201 32 Meriam Direct ca Meriam Direct a 1 800 868 Appendix 2 M200 DI Application Notes Zeroing for Position Sensitivity M200 DI wet wet units have liquid filled sealed sensor assemblies The fill fluid will apply hydrostatic head pressure to the DP sensor in uniform ways depending on the orientation of the handheld during measurement sessions Horizontal plane yaw axis No zero offset Vertical plane pitch axis No zero offset Roll axis Zero offset occurs When the unit is rotated about its roll axis in the horizontal plane or any less than vertical plane the fill fluid in the highest side imparts a greater hydrostatic pressure
18. d Auto Shut Off time is key selected top line reads AUTO SHUT OFF and bottom line reads ENTER TO SELECT 4 Press the left arrow Returns to Measure Mode key twice NOTICE The Auto Shut Off timer is suspended during Data Logging and Leak Test sessions to prevent accidental loss of information Auto Shut Off is automatically re instated after completion of Data Logging or Leak Test sessions 12 Meriam Direct ca Meriam Direct a 1 800 868 Lockout Select Enabling the Lockout feature prevents unauthorized users from making changes to the configuration of the manometer To enter the Program Mode when Lockout is active the user must first enter the password two digit Lockout Code within approximately 40 seconds of the display prompt Failure to enter the correct two digit code within approximately 40 seconds will return the unit to Measure Mode Any two digit numeric code can be programmed The factory Lockout Code of 00 which is the default as shipped from the factory disables the Lockout To set the Lockout Code follow these steps 1 From Measure Top line reads PROGRAM Mode press the PRGM MODE and bottom line reads key If the Lockout is UNITS SELECT set enter the correct password when prompted 2 Press the up arrow Bottom line reads USER key twice INFO SELECT 3 Press the right Top line reads LOCKOUT arrow key then the CODE and bottom line rea
19. ds arrow key five times ENTER TO SELECT 4 Press the right Bottom line shows the old arrow key then press Lockout Code The cursor the up or down flashes at the first position keys to change the while the value is changed first digit Press the then cursor moves to right arrow key to thesecond position once the proceed to second right arrow key is pressed digit 5 Press the right Top line reads LOCKOUT arrow key when the CODE and bottom line reads desired code is set ENTER TO SELECT Lockout is activated 6 Press the left arrow Returns to Measure Mode key twice 13 Meriam Direct ca Meriam Direct a 1 800 868 Header Name Follow the steps below to edit the Header Name 1 From the Measure Mode press the PRGM key 2 Press the up arrow key twice 3 Press the PRGM key 4 Press the up arrow key six times 5 f header is correct press backspace key If editing is desired proceed to step 7 6 Press the left arrow Returns to Measure Mode key 7 Press the up or down arrow keys to set the correct alpha numeric value 9 Repeat steps 8 and 9 until the desired Header is shown 10 If an error is made press the back arrow key until the cursor is over the incorrect value Follow step 8 to correct Press the right arrow key to advance the cursor without changing values 11 When the Header is complete press the PRGM key until header accepted 12 Press the left
20. e up or down Engineering units on bottom arrow key until desired line of display change engineering unit is displayed to select the MODE and bottom line engineering unit reads UNITS SELECT Bottom line reads EXIT arrow key 6 Press the PRGM Display returns to Measure key Mode in new engineering unit 7 Meriam Direct ca Meriam Direct a 1 800 868 User Unit Select Engineering units not included in the standard selection can be programmed into the manometer using the Units Select register in the program mode The value programmed into this register is used to calculate the desired unit of measure An example of converting to Feet of will be shown the following steps using the conversation factor of 1 PSI 2 30894 FT H20 1 Press the PRGM Top line reads PROGRAM key and bottom line reads UNITS SELECT 2 Press the PRGM Top line reads UNITS key SELECT and bottom line shows current engineering units 3 Press the up or Top line reads UNITS down arrow key until SELECT USER UNIT SELECT Bottom line reads USER is displayed UNIT SELECT 4 Press the PRGM Top line reads VALUE key See note 1 at Bottom line reads bottom of this table CHANGE YES 5 Press the PRGM Top line reads USER UNIT key to change the VALUE value 6 Start entering the Top line reads USER UNIT conversion factor by VALUE pressing the up arrow Botto
21. ement control and laboratory use EMC requirements MISC EN 60529 1992 including A1 A2 Degrees of protection provided by enclosures IP Code IP40 For and on behalf of Meriam Process technologies odi Timothy E Lint Date Jan 13 2011 Standards Engineer Meriam Process Technologies 26 Meriam Direct 1 800 868 Changing the Batteries 7 11195 ATEX certified models require the use of approved batteries to maintain the ATEX certification Refer to Dwg No 9R000056 M2 Intrinsically Safe Control Document for a list of batteries approved for hazardous atmospheres A copy of this drawing accompanies each unit shipped A WARNING Remove and or replace batteries in non hazardous areas only Also see the Certification Safety Warnings section of this manual for additional important information The manometer is powered by four 1 5 volt AA size batteries When the output of the batteries under load drops the display will alternate between LOW POWER DETECT and REPLACE BATTERY Low power may affect performance The unit should not be used to measure pressure in this condition All four batteries should be replaced To replace the battery locate the battery compartment at the bottom rear of the manometer as shown here Remove the two screws on either side of the battery cover by turning them counterclockwise until fully disengaged from the manometer base Lift the cover from the back of
22. es press the 4 LOGGING and bottom line key reads VIEW 8 To view recorded Top line reads DATA LOG values press the 1 and bottom line displays PRGM key the value Continue pressing the 4 key to view all values 9 Press the key Returns to Measure Mode times NOTICE The Auto Shut Off timer is disabled for Data Logging sessions Be sure to end the session to re enable the Auto Shut Off timer 16 Meriam Direct ca Meriam Direct a 1 800 868 Leak Test The Leak Test feature allows the user to determine the leak rate in the pneumatic system being monitored Once configured Leak Test monitors the measured pressure over time and displays the leak rate in pressure units per minute at the conclusion of the test The maximum configurable leak test period is 1440 min 1 day Pressing any key during the leak test will abort the test To enable Leak Test follow these steps 1 From the Measure Top line reads PROGRAM Mode press the PRGM MODE and bottom line reads key UNITS SELECT arrow key twice TEST Top line reads LEAK TEST key and bottom line reads CONFIGURE key Period amp bottom X X MIN right keys to input test period Ex 20 0 MIN period 6 Press the PRGM Top line reads LEAK TEST key and bottom line reads CONFIGURE 7 Press the up arrow Top line reads LEAK TEST key once and bottom line reads PRGM TO START
23. ety Refer to Manual for approved batteries list and safety precautions 8P000074PN01 Intrinsically Safe versions are shipped with Dwg No 9R000056 M2 Series Intrinsically Safe Control Document Refer to this document for details of the certification a list of warnings and a list of approved batteries for use in Intrinsically Safe versions For intrinsically Safe M2 Series Use Intrinsically Safe versions in accordance with Dwg No 9R000056 M2 Series Intrinsically Safe Control Document only This document accompanies each 1 5 unit Failure to 1 Meriam Direct ca Meriam Direct 1 800 868 use the unit in accordance with this document will void the certification and may cause potentially dangerous conditions A WARNING For Intrinsically Safe M2 Series e Restrictions apply to the use of Intrinsically Safe models in hazardous areas Refer to the Intrinsic Safety Control Drawing No 9R000056 for more information e Substitution of components will void the Intrinsically Safe Certification and may impair operation and safety Do not substitute components Repairs must be made at the factory to retain the Intrinsically Safe Certification e Service only in safe areas Customer service is limited to battery replacement and field recalibration only All other service must be provided by the factory to retain the Intrinsically Safe Certification e To prevent ignition of flammable or explosive atmos
24. irect ca Meriam Direct a 1 800 868 Accuracy M200 M200 DI M201 0 05 of Full Scale or optional 0 025 of Full Scale 0 05 F S only for M200 DNO0010 10 H2O rangel Accuracy M200LS 0 01 of Full Scale 0 02 F S for M200LS DNO0028 28 H2O rangel Accuracy statements include the combined affects of linearity repeatability hysteresis and temperature over the specified operating temperature range Warm up time 5 minutes Unit should be zeroed at working ambient temperature before use Temperature M200 M200 DI M201 Storage 40 C to 60 C 40 F to 140 F Operating 5 C to 50 C 23 F to 122 F 1 5 models 20 C to 50 C 4 F to 122 F G P models Temperature M200LS Storage 40 C to 60 C 40 F to 140 F Operating 15 C to 30 C 59 F to 86 F Media Compatibility Pressure Types DN Differential pressure non isolated sensors for use with clean dry non corrosive gases only DI Differential pressure isolated sensors for use with gases and liquids compatible with 316L SS and Viton o rings optional o ring material buna N neoprene kalrez Gl Cl Al Gauge Compound or Absolute pressure sensors for use with gases and liquids compatible with 316L SS Pressure Limits GI Cl and Al units 2x range DN units 2x range when pressurized on high side only 150 PSI 10 5 Kg cm static when applied to both sides of sensor simultaneously DI units 1000 PSI common
25. low these steps 1 With unit OFF Top line reads RE CAL press and hold the Bottom line reads EDIT MIN MAX key turn the unit on by pressing the ON OFF key then release MIN MAX 2 Press the up arrow Top line reads RE CAL key until START is Bottom line reads START displayed on the bottom line 3 Press the PRGM Top line reads RE CAL key START Bottom line reads 1 POINT 4 Press the PRGM Top line reads CAL POINT key and bottom line displays the cal point value 5 Press the up down Bottom line displays the cal arrow keys to edit the point value The cursor selected digit Use the flashes at the first position left right arrow keys to while the value is changed change the cursor then moves to the right position Value position when the right arrow entered must be 50 key is pressed 100 of FS 6 Press the right Top line reads APPLY arrow key while on the Bottom line displays the CAL right most digit to POINT value proceed 7 Apply the input Top line reads RE CAL pressure indicated Bottom line reads START using an appropriate Manometer has been reference standard recalibrated press PRGM key 8 Press the left arrow Returns to Measure Mode key 19 Meriam Direct ca Meriam Direct a 1 800 868 Re Calibration 5 Point EDIT To edit the calibration points for a 5 Point re calibration follow the steps below NOTE If the factory default
26. m line reads key until the first digit 20000000 reads 2 7 Press the right arrow Cursor flashes to the right of key to enter the value the 2 Now numbers 2 and advance the decimal point or blank space cursor to the next digit can be entered 8 Repeat step 6 and 7 Bottom line reads 2 30894 until bottom line reads Last digit 4 is blinking 2 30894 9 If an error is made The digit that is corrected is use the left arrow key blinking to move the cursor back to the incorrect digit Then press up or 8 Meriam Direct ca Meriam Direct a 1 800 868 down arrow keys to display the correct value 10 Press the PRGM Top line reads VALUE key until the display Bottom line reads changes See note 1 CHANGE YES at bottom of this table 11 Press the PRGM Top line reads USER UNIT key NAME 12 Follow steps 6 8 Bottom line reads FT H20 above to enter FT Last letter O is blinking H20 13 Press the PRGM Top line reads PROGRAM key MODE Bottom line reads UNITS SELECT arrow key 15 Press the Manometer returns to key Measure Mode Units Display shows FT H20 Note 1 If at steps 4 or 10 the VALUE is the desired value press the up or down arrow key This will toggle the bottom line from the default CHANGE YES to CHANGE NO Step 5 would then jump to step 10 Step 11 would then jump to step 13
27. mation essential for proper product installation operation or maintenance NOTICE Y N i Information in this document is subject to change without notice Check the Meriam web site www meriam com for the latest manual revision Meriam Direct ca Meriam Direct a 1 800 868 For customer assistance please call your local representative or Meriam directly Meriam Process Technologies 10920 Madison Avenue Cleveland Ohio 44102 Telephone 216 281 1100 Fax 216 281 0228 E mail meriam meriam com Web www meriam com Meriam Direct ca Meriam Direct a 1 800 868 Table of Contents Certification Safety WarningS essen 1 User Interface use te terreri ierat 4 1 Keypad Functions ssssssssesereeeennnnne nnns 4 On Off amp backspace 4 Min Max amp up Key 4 Hold amp W down Key 4 Prom amp P tenter KEY ka ou aat tds 5 Backlight Key 5 2 Zeroing the Manometer sssssssssseeeeeee 5 To Zero DN DI GI or CI Type Manometers 5 To Zero Al Absolute Type Manometers 6 3 Program Mode ccccceecceeeeeeeeeeeeeeeeaeesaaeeaeecaeseeeeeeeeeees 6 Units Select etre te tinh dre a odere 7 User Unit Select 8 Flow Unit Select 9 Damp Rate Select sssssss
28. n This freezes the value displayed If the Min Max function is activated those values are also frozen With HOLD activated the letter appears in the lower left of 4 Meriam Direct ca Meriam Direct a 1 800 868 the display The v key is used to scroll through programmable registers with the unit in the Program Mode Once a programmable register is selected the Y key can be used to edit that register Prgm amp enter KEY Puts the manometer into the Program Mode from the Measure Mode When in the Program Mode pressing this key selects the programmable register to be edited with prompt for password if Lockout is set After the register has been edited pressing the PRGM key enters the new setting into the manometer s non volatile memory This key also acts as a gt key when editing user input such as the header name and user units Backlight Key The BACKLIGHT key represented by the standard light bulb symbol toggles the display backlight between green and off The backlight consumes additional NOTICE battery energy Turn the backlight off to optimize battery life 2 Zeroing the Manometer To Zero DN DI or CI Type Manometers Disconnect from pressure sources and vent the pressure port s to atmosphere do not remove the factory installed P2 plug if present The display should read close to zero Press the Min Max and Hold keys at the same time see inset photo below and then release The top line
29. n minor or moderate injury LALL For All Models User must use a wrench on the pressure manifold when installing user s 1 8 NPT fitting Do not tighten the fitting without using a wrench on the pressure manifold Failure to use a wrench on the manifold will damage the plastic enclosure and void warranty No torque should be applied to the manifold with respect to plastic enclosure 3 Meriam Direct ca Meriam Direct a 1 800 868 User Interface 1 Keypad Functions On Off amp 4 backspace Key Turns the manometer on and enters the unit into the Measure Mode Pressing the key while in the Measure Mode turns the unit off It also serves as a backspace key when editing in the Program Mode The lt key takes the user out of a programmable register without changing the previous setting Pressing this key repeatedly will return the user to the Measure Mode and then shut off the manometer Min Max amp A up Key In the Measure Mode activates the Min Max function of the manometer When activated the minimum value is displayed on the upper left of the display and the maximum value on the upper right This key also deactivates and resets this function The A key is used to scroll through the programmable registers when the unit is in the Program Mode Once a programmable register is selected the Akey can be used to edit that register Hold amp V down Key In the Measure Mode toggles on off the display Hold functio
30. ollow the steps Top line reads PROGRAM on page 4 to put the and bottom line unit in Program reads UNITS SELECT Mode arrow key RATE SELECT key RATE SELECT 4 Press the A or V Bottom line shows damp arrow key until the rate in seconds desire desired damp rate is displayed on the bottom line 5 Press the PRGM Top line reads key PROGRAM MODE and bottom line reads UNITS SELECT 6 Press the V Bottom line reads EXIT arrow key 7 Press the PRGM Returns to Measure key Mode 10 Meriam Direct ca Meriam Direct a 1 800 868 User Info Select Accuracy SW version Mfr date SN The User Info Select registers are designed to provide the user with information about the manometer s hardware and software This register provides read only information on the sensor s accuracy software version date of manufacture and serial number It also allows the user to edit the Auto Shut Off Lockout and Start Up Header Name features To configure the User Info Select registers follow the steps below Display 1 From the Measure Top line reads PROGRAM Mode press the and bottom line key reads UNITS SELECT key twice USER INFO SELECT Bottom line shows accuracy key in 96 of Full Scale key version number key manufacture date 6 Press the up arrow Top line reads AUTO SHUT key Instructions to set OFF and bottom line reads AUTO S
31. om line reads RESTORE DEFAULTS Factory defaults have been restored 6 Press the left arrow Returns to Measure Mode key Meriam Direct ca Meriam Direct a 22 1 800 868 Specifications Type Range and Display Resolution Differential Non lsolated Types M200 M200LS M201 10 inH2O 0 35 psid XX YYY M200 only 28 inH2O 1 psid XX YYY 200 inH5O 7 21 psid XXX YY 415 inH2O 15 0 psid XXX YY M200 only 2000 inH2O 72 1 psid XXXX Y M200 amp M200LS only Gauge Isolated Types M200 amp M200LS 15 psig XX YYY M200 only 30 psig XX YYY 50 psig XX YYY 100 psig XXX YY 300 psig XXX YY M200 only 500 psig XXX YY 1000 psig XXXX Y M200 only 3000 psig XXXX Y M200 only Compound Isolated Types M200 only 15 to 15 psig XX YYY 15 to 30 psig XX YYY 15 to 50 psig XX YYY 15 to 100 psig XXX YY 15 to 300 psig XXX YY 15 to 500 psig XXX YY 15 to 1000 psig XXXX Y 15 to 3000 psig XXXX Y Absolute Isolated Types M200 amp M200LS 17 psia 900 mmHg XX YYY 38 psia 2000 mmHg XX XXY 100 psia 52000 mmHg XXX YY M200 only 1000 psia 52000 mmHg XXXX Y M200 only Differential Isolated Wet Wet Types M200 DI only 1 psid X YYYY 5 psid X YYYY 15 psid XX YYY 30 psid XX YYY 100 psid XXX YY 300 psid XXX YY 500 psid XXX YY 23 Meriam D
32. pheres disconnect power before servicing in a safe area e To prevent ignition of flammable or explosive atmospheres gt DO NOT open or service unit including battery compartment in flammable or explosive atmosphere gt DO NOT clean or wipe the surface of the membrane keypad as it may build a static charge DO NOT mix old batteries with new or mix batteries from different manufacturers gt DO NOT replace batteries in explosive or hazardous atmosphere DO NOT use any battery type other than those listed on Dwg No 9R000056 M2 Intrinsically Safe Control Document Nei For General Purpose M2 Series Fire Explosion Hazard Do not use General Purpose versions in hazardous areas DO NOT use General Purpose versions in areas that may contain flammable gas or vapors combustible dusts or ignitable fibers where an unintended spark can cause a fire explosion 2 Meriam Direct ca Meriam Direct a 1 800 868 For General Purpose M2 Series Substitution of components may impair operation and safety e Disconnect power before servicing e The product should not be powered with a combination of new and old batteries e The product should not be powered with a combination of batteries from different manufacturers ZWARNING For All Models Do not exceed the Pressure Limits listed in the Specifications section of this manual Failure to operate within the specified pressure limit could result i
33. pressure manifold Failure to use a wrench on the manifold will damage the plastic enclosure and void warranty No torque should be applied to the manifold with respect to plastic enclosure Pressure Reference Chart Absolute Differential Barometric Atmospheric Pressure Barometric Vacuum Compound Absolute Zero 30 Meriam Direct ca Meriam Direct a 1 800 868 Service and Calibration If the M2 cannot be zeroed recalibrated or is damaged it must be returned to the factory for servicing In this case contact the Meriam Process Technologies representative in your area or call the factory at the numbers listed below for a Return Material Authorization RMA number DO NOT send any unit in for service without first contacting Meriam for a Return Material Authorization RMA number If this number has not been obtained and clearly marked on the return packaging the unit will be returned at the shipper s expense An RMA number will be provided by the Meriam Repair Department when you call fax or e mail your information Certification for Non Hazardous Materials will also be required The RMA number must accompany all incoming packages to insure proper tracking processing and repair work To assist us in processing your service request please have the Model amp Serial Number of the unit available when you call This information is located on the product label Meriam Process Technologies 10920 Madison Ave Clevelan
34. r relating to any services provided by Meriam or its affiliates It is not possible for Meriam to identify all foreseeable uses misuses therefore all persons involved in commissioning using or maintaining this product must satisfy themselves that each intended application is acceptable Safety Warnings The table below defines the safety symbols signal words and corresponding safety messages used in the manual to identify potential hazards and are intended to warn persons about hazards that could result in personal injury or equipment damage This is the Read Instruction Manual symbol This symbol indicates that you must read the instruction manual This is the Safety Alert symbol This symbol indicates a WARNING Warnings alert you to actions that can cause personal injury or pose a physical threat Please read these carefully This is the Safety Glasses symbol This symbol indicates that you must wear approved safety glasses during the task This is the Safety Gloves symbol This symbol indicates that you must wear approved safety gloves during the task Indicates a potentially hazardous situation which if DANGER not avoided will result in death or serious injury Indicates a potentially hazardous situation which if not avoided could result in death or serious injury Indicates a potentially hazardous situation which if not avoided could result in minor or moderate injury Indicates infor
35. ss the left arrow key 20 Meriam Direct ca Meriam Direct a 1 800 868 Re Calibration 5 Point START To begin the 5 point re calibration procedure turn the unit OFF and follow the steps below 1 Press and hold the MIN MAX key and turn the unit on by pressing the ON OFF key 2 Press the up arrow key until START is displayed on the bottom line 3 Press the PRGM Top line reads RE CAL key Bottom line reads 1 POINT 4 Press the up arrow key until 5 is displayed on the bottom line 5 Press the PRGM key 6 Vent P1 and P2 ports to atmosphere and simultaneously press the MIN MAX and HOLD keys then release 7 Press the right arrow key while on the right most digit to proceed 8 Apply the indicated calibration point pressure using external pressure standards After pressure is stable press the right arrow key 9 Repeat step 8 for CAL POINTS 4 and 5 Top line reads RE CAL Bottom line reads EDIT Top line reads RE CAL Bottom line reads START Top line reads RE CAL START Bottom line reads 5 POINT Top line reads POINT 1 ZERO Bottom line displays live applied pressure Unit takes new zero Top line reads POINT 1 ZERO Bottom line displays live applied pressure POINT 1 has been taken Top line reads POINT 2 APPLY Bottom line displays the cal point value to apply Top line reads POINT 3
36. ssseeneenennn 10 User Info Select Acc SW version Mfr date SN 11 NU ops 0101 to Off nennen nennen 12 Lockout Select sss 13 Header Name enses 14 Contrast Select ssssssssssssseeeee 15 Data LOGGING tereti 16 Er arl M 17 Re Calibration iine eit stripe de added dades 18 Re Calibration 1 Point EDIT and START 19 Re Calibration 5 Point EDIT 20 Re Calibration 5 Point 21 Re Calibration Restore Factory Defaults 22 Meriam Direct ca Meriam Direct a 1 800 868 Specifications enne enne enne nnne nnn nens 23 EC Declaration of 26 Changing the Batteries sss 27 User aiaiai 29 Service and 31 Appendix 1 Rotary Gas Meter Tester IMSUCUCTIONS e 32 Appendix 2 M200 DI Application Notes 33 Zeroing for Position Sensitivity sessssssssseese 33 Zeroing for Static Pressure Effect on 2 33 Appendix 3 M200LS Lab Standard Smart
37. to the DP sensor The result is a zero offset in either the or direction depending on the roll direction Zeroing with no pressure applied to either the P1 or P2 ports place the unit in the orientation it will be used in when making measurements Then use the Zero function keys to null out the position effect on zero Measurement stability is excellent at any fixed position M200 DI0001 and M200 DI0005 ranges These ranges are most sensitive to roll axis position because the affect is a greater percentage of full scale range than in higher ranges Small changes in position about the roll axis will register on the display as significant pressure changes Therefore these two ranges will need to be held still while taking measurements or they may need to be placed on a bench or other stationary support prior to making measurements Zeroing for Static Pressure Effect on Zero M200 DI models are available in measurement ranges from 1 to 500 PSID for common mode static pressures up to 1000 PSID The zero reading on these units is linearly offset by the static pressure of the service This offset is easily zeroed out using the zero function Meriam recommends applying normal static pressure to the subject DI model using a 3 valve equalizing manifold to properly pressurize the M200 DI The DI model should be zeroed under normal static pressure conditions with the equalizing valve open common mode pressure on P1 and P2 ports to assure proper
38. zeroing 33 Meriam Direct ca Meriam Direct a 1 800 868 Appendix 3 M200LS Lab Standard Smart Manometer The M200LS models provide greater accuracy than the standard M200 for users in controlled or temperate climates Typical accuracy is 0 01 FS over the temperature range of 59 F to 86 F 15 C to 30 C Accuracy is not certified outside this reduced temperature range The display for all M200LS pressure ranges is 6 digits for PSI units of measure 6 digit display of pressure in other engineering units is supported whenever possible Consult the M200LS Accuracy amp Resolution Tables for all Engineering Unit Choices Application Note available at www meriam com for specific details All M200LS models are for general purpose non hazardous environment use only 34 Meriam Direct ca Meriam Direct a 1 800 868

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