Meriam M2 – Series Smart Manometer User Manual

User’s Manual 9R000045-F January, 2011 1 M2 – Series Smart Manometer USER’S MANUAL Meriam Process Technologies’ M2 Series P

4 User Interface 1. Keypad Functions On/Off &  (backspace) Key Turns the manometer on and enters the unit into t

5 the display. The  key is used to scroll through programmable registers with the unit in the Program Mode. Once a programmable register is selected

6 To Zero AI (Absolute) Type Manometers Start with the unit turned OFF and use the following keystroke sequence: Keystroke Display 1. Press ON/OF but

7 Units Select The standard engineering units available on the Smart Manometer are: PSI inH20 (@20°C, 60°F and 4°C) Kg/cm2 kPa mbars Bars cmH2O (@ 2

8 User Unit Select Engineering units not included in the standard selection can be programmed into the manometer using the Units Select register in t

9 down arrow keys to display the correct value. 10. Press the PRGM key until the display changes. See note 1 at bottom of this table. Top line reads

10 calculation sheet), any flow unit DP = Differential pressure corresponding to Q,

11 User Info Select (Accuracy, SW version, Mfr date, SN) The User Info Select registers are designed to provide the user with information about the m

12 Auto Shut-Off Enabling the Auto Shut-Off feature allows the manometer to turn itself off after a user selected period of keypad inactivity. Selec

13 Lockout Select Enabling the Lockout feature prevents unauthorized users from making changes to the configuration of the manometer. To enter the P

2 Safety Information Failure to follow all instructions could result in injury. Read, understand and follow all safety warnings and instructions pr

14 Header Name Follow the steps below to edit the Header Name. Keystroke Display 1. From the Measure Mode press the PRGM key. Top line reads “PROGRAM

15 Contrast Select The Contrast Select register allows the user to adjust the character contrast of the LCD display to provide the best visibility fo

16 Data Logging Data Logging can be used to record pressure measurements. Two record modes are supported; automatic and manual. In automatic mode, a p

17 Leak Test The Leak Test feature allows the user to determine the leak rate in the pneumatic system being monitored. Once configured, Leak Test moni

18 Re-Calibration The Manometer can be re-calibrated in the field for zero, span, and linearity. The proper primary standards must be available prio

19 Re-Calibration – 1 Point EDIT and START To perform a 1-point re-calibration, apply a pressure between 50% and 100% of Full Scale and then follow

20 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 val

21 Re-Calibration – 5 Point START To begin the 5-point re-calibration procedure, turn the unit OFF and follow the steps below. Keystroke Display 1.

22 10. Use up or down arrow keys to select NO or YES when asked “Save?” the Re-Calibration data. Top line reads “SAVE?”. Bottom line reads “NO” or “YE

23 Specifications Type, Range and Display Resolution Differential Non-Isolated Types (M200, M200LS, M201): 10 inH2O (0.35 psid) – XX.YYY (M200 on

3 For customer assistance please call your local Meriam representative or Meriam directly. Meriam Process Technologies 10920 Madison Avenue Clevelan

24 Accuracy: M200, M200-DI, M201 0.05% of Full Scale or optional 0.025% of Full Scale (0.05% F.S. only for M200-DN0010 [10” H2O range]) Accuracy:

25 Connection 1/8” female NPT, 316L SS. DN and DI Types: P1 is the high pressure connection, P2 is the low pressure co

26 EC Declaration of Conformity This is to declare, in accordance with Directive 94/9/EC, that the following product(s) are designed and manufactured

27 Changing the Batteries ATEX certified models require the use of approved batteries to maintain the ATEX certification. Refer to Dwg. No. 9R00

28 To install the four batteries: 1) Make sure polarity of battery matches the markings in the compartment. 2) 1st place the (+) end of the batter

29 User Connections Connection: 1/8” female NPT, 316L SS. P1 is the high pressure connection. P2 is the low pressure connection. The pressure conn

30 GI, CI and AI models use only the P1 pressure port. The unused P2 port vents the enclosure to atmosphere (a vent plug is factory installed in the

31 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,

32 Appendix 1: Rotary Gas Meter Tester Instructions The M201 Rotary Gas Meter Test has unique firmware designed for natural ga

33 Appendix 2: M200-DI Application Notes Zeroing for Position Sensitivity M200-DI (wet/wet) units have liquid filled, sealed sensor assemblies. The

4 Table of Contents Certification/Safety/Warnings ... 1 User Interface ...

34 Appendix 3: M200LS Lab Standard Smart Manometer The M200LS models provide greater accuracy than the standard M200 for users

5 Specifications ... 23 EC Declaration of Conformity ...

User’s Manual 9R000045-F January, 2011 1 Certification/Safety/Warnings All M2 Series models are available for general purpose use (non-hazardous ar

2 use the unit in accordance with this document will void the certification and may cause potentially dangerous conditions. For Intrinsically Safe M

3 For General Purpose M2 Series  Substitution of components may impair operation and safety.  Disconnect power before servicing.  The product