M2 Series www.meriam.com M2 – SERIES USER MANUAL SMART
Contents
1. PTR is a Push to Read Valve offered as an option for the product FP is a Flushing Port design offered as an option for wet wet DI models Wwww meriam com aA meria page 28 of 31 meiner M2 Series Instruction Manual 9R000045 C MAR 2008 G and A models have only one used pressure port The unused port vents the enclosure sensor P2 to atmosphere a sintered plug or vent is installed in either P1 or P2 as appropriate Differential Absolute Barometric Pressure or Atmospheric Pressure Vacuum Absolute Zero Warning Connection to the incorrect pressure port on DN or DI differential pressure modules may cause damage to the pressure sensor If this sort of damaged occurs the unit must be returned to the factory for sensor replacement WARNING gt 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 www meriam com ZA meria process technologies page 29 of 31 2 Set Feces Somer M2 Series Instruction Manual 9R000045 C MAR 2008 Contact Information If the Manometer can not be zeroed recalibrated or is damaged it must be returned to the factory for servicing In this case contact the Meriam Proc2. UNITS SELECT 6 Press the down arrow Bottom line reads key EXIT 7 Press the PRGM key Returns to Measure Mode www meriam com a meriam process techaologies page 9 of 31 2 Set Feces Somer M2 Series Instruction Manual 9R000045 C MAR 2008 User Info Select The User Info Select registers are designed to provide the user with information on the hardware and software in the manometer This register provides read only information on the sensor s serial number software version and date of manufacture 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 shown on the following page 1 From the Measure Mode Top line reads PROGRAM press the PRGM key MODE and bottom line reads UNITS SELECT Bottom line changes to USER twice INFO SELECT 3 Press the PRGM key Bottom line shows serial number 4 Press the up arrow key Software version number shown Manufacture date shown 6 Press the up arrow key Top line reads AUTO SHUT Instructions to set AUTO OFF and bottom line reads SHUT OFF are in this ENTER TO SELECT manual 7 Press the up arrow key Top line reads LOCKOUT Instructions for using CODE and bottom line reads LOCKOUT are on page 12 ENTER TO SELECT 8 Press the up arrow key Top line reads HEADER Instructions for editing the NAME and bott
3. meriam A process tochaalogics 2 Serti Feiner comonny M2 Series Instruction Manual 9R000045 C MAR 2008 display the correct value 10 Press the PRGM key Top line reads VALUE until the display changes Bottom line reads CHANGE See note at bottom of YES this table 11 Press the PRGM key Top line reads USER UNIT NAME 12 Follow steps 6 8 Bottom line reads FT H20 above to enter FT H20 Last letter O is blinking 13 Press the PRGM key Top line reads PROGRAM MODE Bottom line reads UNITS SELECT 14 Press the down arrow Bottom line reads EXIT key 15 Press the PRGM key Manometer returns to 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 Flow Unit Select Smart Manometers that use differential pressure sensors can be programmed to read out 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 instea
4. UNITS SELECT 6 Press the left arrow key Returns to Measure Mode If an error is made during the contrast adjustment pressing the lt 4 key returns the display to the previous contrast setting www meriam com a meriam process techaologies page 14 of 31 st M2 Series Instruction Manual 9R000045 C MAR 2008 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 Mode Top line reads PROGRAM press the PRGM key MODE and bottom line reads UNITS SELECT four times LOGGING 3 Press the PRGM key Top line reads DATA LOGGING and bottom line reads RECORD 4 Press the PRGM key Top line reads RECORD MODE and bottom line reads AUTO or MANUAL 5 Press the PRGM key at Top line reads AUTO to start automatic RECORDING X and logging or at MANUAL to bottom line reads XX XX start manual logging mode UNITS AUTO records value every 5 seconds Manual records value each time PRGM key is pressed 6 To stop recording values Top line reads DATA at any time press the 4key LOGGING and bo
5. values are stored 3 Press the HOLD key Reads XX XX Units the again to stop test Average average pressure during the pressure for test period is test period displayed 4a To start a retest press the Reads Acquiring Data HOLD key Repeat Step 3 4b To start a retest using the Top line shows MIN at left MIN MAX feature press the and MAX at right Bottom MIN MAX key and then shows previous test average press the HOLD key After HOLD key is pressed the display reads Acquiring Data 5 Press the HOLD key If MIN MAX is on Top left again to stop test reads MIN pressure during test top right reads MAX pressure during test Bottom reads the average pressure during the test period 6 Press the left arrow key Returns to Measure Mode www meriam com a meriam process techaologies page 31 of31 2 merti Fazer Somer
6. Defaults To restore the re calibration data to the factory defaults follow these steps 1 With unit OFF press and Top line reads RE CAL hold the MIN MAX key Bottom line reads EDIT turn the unit on using the ON OFF key then release 2 Press the up arrow key Top line reads RE CAL twice Bottom line reads RESTORE DEFAULTS 3 Press the PRGM key Top line reads RESTORE DEFAULTS Bottom reads YES or NO 4 Use the up and down Top line reads RESTORE arrow keys to select YES or DEFAULTS NO when asked to restore Bottom reads YES or NO defaults 5 Press the PRGM key at Top line reads RE CAL YES to restore the Factory Bottom line reads RESTORE Default Calibration data or DEFAULTS Factory at NO to exit without defaults have been restored restoring 6 Press the left arrow key Returns to Measure Mode www meriam com a meriam process techaologies page 22 of 31 o mora Taaa ooren M2 Series Instruction Manual 9R000045 C MAR 2008 Specifications Type and Range and Display Resolution Differential Non Isolated Types 28 inH20 1 psid XX YYY 200 inH20 7 21 psid XXX YY 2000 inH20 72 1 psid XXXX Y Gauge Isolated Types 15 psig XX YYY 30 psig XX YYY 200 psig XXX YY 300 psig XXX YY 2000 psig XXXX Y Absolute Isolated Types 17 psia 900 mmHg XXX YY 38 psia 2000 mmHg
7. value is changed then moves to the right position when the right arrow key is pressed Top line reads APPLY Bottom line displays the CAL POINT value Top line reads RE CAL Bottom line reads START Manometer has been recalibrated 8 Press the left arrow key Returns to Measure Mode Www meriam com page 19 of 31 meriam AS process tochaalogics 2 Serti Feiner comonry M2 Series Instruction Manual 9R000045 C MAR 2008 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 values are acceptable skip this section and proceed to the re calibration 5 Point START procedure Keystroke 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 PRGM key 3 Press the up down arrow keys to edit the selected digit Use the left right arrow keys to change the cursor position Note For 0 go directly to step 4 4 Press the right arrow key while on the right most digit to proceed 5 Repeat steps 3 and 4 for CAL POINTS 2 3 4 and 5 6 After editing CAL POINT 5 press the right arrow key while on the right most digit to proceed 7 To perform the 5 point re cal press the up arrow key until START is displayed on the bottom line OR To exit without performing the 5 point re cal press the left arrow key Www meriam com
8. ART RE CALIBRATION 5 Point EDIT RE CALIBRATION 5 Point START 0 21 RE CALIBRATION Restore Factory Defaults 22 Speciicatlons rar E E eenG Certification Safety Warnings Changing the Batteries User Connections Contact Information 000 Rotary Gas Meter Tester Instructions ccccsseeceeseereeseeseeeeeeees 31 www meriam com XA meriam page 2 of 31 2 Set Feces Sonar M2 Series Instruction Manual 9R000045 C MAR 2008 User Interface 1 Keypad Functions ON OFF amp 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 4 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 UP ARROW 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 4 key is used to scroll through the programmable registers when the unit is in the Program Mode Once a programmable register is selected the key can be used to edit that register HOLD amp DOWN ARROW KEY In the Measure Mode toggles on off the di
9. M2 Series Instruction Manual 9R000045 C MAR 2008 M2 SERIES USER MANUAL SMART MANOMETER ROTARY GAS METER TESTER Meriam Process Technologies M2 Series Products Smart Manometer and Rotary Gas Meter Tester products are microcontroller based pressure sensing devices used to directly measure pressure Differential Gauge Absolute and Wet Wet pressure sensors are supported see Specification section for supported type and pressure ranges Pressure can be displayed in selectable engineering units of measure ATEX rating 0539 111G Ex ia IIC T4 Tamb 5 C to 50 C DEMKO 06 ATEX 0615699 IP40 www meriam com ZA meriam process technologies page 1 of31 o mora Faa aomen M2 Series Instruction Manual 9R000045 C MAR 2008 Table of Contents User Interfac 35 deresecipseivactdarecentsivesvsndaeds tats E RT 3 l Keypad HUnCtHONS oserei nnu a n En 3 ON OFF amp BACKSPACE KEY 3 MIN MAX amp UP ARROW KEY wo HOLD amp DOWN ARROW KEY a3 PRGM amp ENTER KEY 0 cccccccscceseeeseeeteeeteeeseeeneeeeees 4 BACKLIGHT KEY 2 Zeroing the Manometer 3 Program Mode Units Selettore knoeien EE EER User Unit Select Flow Unit Select Damp Rate Select DSA t Toe e e AEAT Auto Shut Off cecssccecccstuhivecsigcevenesnsovecsigvereesteone 11 Lockout Select Header Name Contrast Select onarri a ENRE Data Logging Leak Test Re Calibration RE CALIBRATION 1 Point EDIT and ST
10. MIN 5 Use the up down amp right Bottom line reads desired keys to input test period period Ex 20 0 MIN 6 Press the PRGM key Top line reads LEAK TEST and bottom line reads CONFIGURE 7 Press the up arrow key Top line reads LEAK TEST once and bottom line reads PRGM TO START 8 Press the PRGM key Top line displays MIN MAX 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 current pressure reading 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 www meriam com a meriam process techaologies page 16 of 31 2 Beet Feces Somer M2 Series Instruction Manual 9R000045 C MAR 2008 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 chara
11. XXX YY Wet Wet Types 1 and 5 psid X YYYY 15 30 and 50 psid XX YYY 100 300 and 500 psid XXX YY Accuracy 0 025 of Full Scale or 0 05 of Full Scale 0 1 of Full Scale for 28 inH2O Differential range Includes the combined effects of temperature linearity repeatability hysteresis and resolution Warm up time 5 minutes Zero unit at working ambient temperature before use Temperature Storage 40 C to 60 C 40 F to 140 F Operating 5 C to 50 C 23 F to 122 F Media Compatibility PORTS DN Differential pressure non isolated sensors for use with clean dry non corrosive gases only DI GI AI Differential Gauge or Absolute pressure sensors for use with gases and liquids compatible with 316L SS and O ring material on DI wet wet differential sensors O RING Material for DI sensors only Standard Viton Available options Buna N Neoprene or Ethylene Propylene Pressure Limits DN units 2 x range when pressurized on high side only 150 www meriam com a meriam process techaologies page 23 of 31 2 Beet Feces Somer M2 Series Instruction Manual 9R000045 C MAR 2008 PSI 10 5 Kg cm static when applied to both sides of sensor simultaneously GI and AI units 2 x range DI units 5 PSI 4 x range on high side only gt 5 PSI 3x range on high side only 1000 PSI 70 3 Kg cm static when applied to both sides of sensor simultaneously Conn
12. cteristics 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 0 0030 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 1 point within upper 50 of Full Scale 5 point nominal values of 0 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 form 495 to 505 inH2O Point 5 100 can be edited from 1980 to 2000 inH20 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 www meriam com a meriam process technologies page 17 of 31 2 Set Feces Somer M2 Series Instruction Manual 9R000045 C MAR 2008 Once a re calibration has been performed either 1 point or 5 point the unit wi
13. d of USER UNIT SELECT Calculate the Flow constant from the following equation F Q DP where F Flow constant Q Flow rate from flow element calculation sheet DP Differential pressure corresponding to Q Example If the DP is 25 units when the flow rate is 10 000 units then the Flow constant is 2 000 www meriam com a meriam process techaologies page 8 of 31 st M2 Series Instruction Manual 9R000045 C MAR 2008 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 70 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 1 Follow the steps on Top line reads page 4 to put the unit in PROGRAM MODE and Program Mode bottom line reads UNITS SELECT 2 Press the up arrow Bottom line reads DAMP key RATE SELECT 3 Press the PRGM key Top line reads DAMP RATE SELECT 4 Press the up or down 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 key Top line reads PROGRAM MODE and bottom line reads
14. e zeroing process The top line of the display reads ZERO IN PROGRESS while 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 interfere with the 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 procedure generates a new zero value outside this limit a ZERO RANGE ERROR message appears indicating that the procedure failed 3 Program 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 MODE The bottom line reads UNITS SELECT Press the 4 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 Contrast 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 www meriam com a meriam process technologies page 5 of 31 s
15. ection 1 8 female NPT 316L SS P1 is the high pressure connection and P2 is the low pressure connection Differential port shown below 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 Battery Type 4 each AA alkaline batteries IMPORTANT ATEX certified models require the use of approved batteries only 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 Remove and or replace batteries in non hazardous areas only Battery Operation gt 100 hours continuous use 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 www meriam com a meriam process technologies page 24 of 31 2 Set Feces Somer M2 Series Instruction Manual 9R000045 C MAR 2008 Certification Safety Warnings The following defines the certification and area classification of the Manometer produc
16. ess Technologies representative in your area or call the factory at the numbers listed below for a Return Material Authorization RMA number Meriam Process Technologies 10920 Madison Ave Cleveland OH 44102 Ph 216 281 1100 FAX 216 281 0228 E mail sales meriam com Web www meriam com All M2 Smart Manometers recalibrated at the factory are returned with certificates of NIST traceability www meriam com X meriam process technologies page 30 of 31 2 Set Feces Sonar M2 Series Instruction Manual 9R000045 C MAR 2008 Appendix 1 Rotary Gas Meter Tester Instructions The M201 Rotary Gas Meter Test is purpose 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 Program mode for the M201 includes Units Select User Info Select and Contrast Select See these sections earlier in this manual for more information 1 Turn unit on using the Reads Press Hold to Acquire ON OFF key Unit powers Data on ready to start a drop test 2 Press the HOLD key This Reads Acquiring Data starts the test No values are displayed while pressure
17. he end of the battery into the bottom of the battery slot 3 Then push in end of the battery until it is 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 www meriam com X meriam process technologies page 27 of 31 2 Set Feces Sonar M2 Series Instruction Manual 9R000045 C MAR 2008 User Connections Connection 1 8 female NPT 316L SS P1 is the high pressure connection and P2 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 page 1 The second marking is stamped into the pressure connection fitting next to the pressure connections as shown here Gl or AI DN w PTR NOTES
18. he change the first digit value is changed the cursor Press the right arrow key moves to the right position once to proceed the right arrow key is pressed 5 Press the right arrow Top line reads LOCKOUT key when the desired code CODE and bottom line reads is set Lockout is ENTER TO SELECT activated 6 Press the left arrow key Returns to Measure Mode twice www meriam com a meriam process techaologies page 12 of 31 2 Set Feces Somer M2 Series Header Name Instruction Manual 9R000045 C MAR 2008 Follow the steps below to edit the Header Name Keystroke Display 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 five times 5 If header is correct press backspace key If editing is desired proceed to step 7 7 Press the up or down arrow keys to set the correct alpha numeric value 8 Press the right arrow key to accept entry 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 arrow key Www meriam com page 13 of 31 Top line reads PROGRAM MODE and bottom line reads UNITS SELECT Bo
19. ing and Leak Test sessions to prevent accidental loss of information Auto Shut Off is re instated after completion of Data Logging or Leak Test sessions www meriam com a meriam process techaologies page 11 of31 2 serti Faiza Sonar M2 Series Instruction Manual 9R000045 C MAR 2008 Lockout Select Enabling the Lockout feature prevents unauthorized users from making changes to the configuration of the manometer To enter the Program Mode the user must first enter the password two digit Lockout Code within approximately 40 seconds when prompted 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 the Measure Top line reads PROGRAM Mode press the PRGM MODE and bottom line reads key If the Lockout is set UNITS SELECT enter the correct password when prompted 2 Press the up arrow key Bottom line reads USER INFO twice SELECT 3 Press the right arrow Top line reads LOCKOUT key then the up arrow key CODE and bottom line reads four times ENTER TO SELECT 4 Press the right arrow Bottom line shows the old key then press the up or Lockout Code The cursor flashes down arrow keys to at the first position while t
20. ll 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 the re calibration data to the factory defaults www meriam com a meriam process technologies page 18 of 31 et M2 Series Instruction Manual 9R000045 C MAR 2008 RE CALIBRATION 1 Point EDIT and START To perform a point re calibration apply a pressure between 50 and 100 of Full Scale and then follow these steps Display 1 With unit OFF press and hold the MIN MAX key turn the unit on by pressing the ON OFF key then release MIN MAX 2 Press the up arrow key until START is displayed on the bottom line 3 Press the PRGM key 4 Press the PRGM key 5 Press the up down arrow keys to edit the selected digit Use the left right arrow keys to change the cursor position Value entered must be 50 100 of FS 6 Press the right arrow key while on the right most digit to proceed 7 Apply the input pressure indicated using an appropriate reference standard press PRGM key 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 1 POINT Top line reads CAL POINT and bottom line displays the cal point value Bottom line displays the cal point value The cursor flashes at the first position while the
21. n example of converting to Feet of H2O will be shown in the following steps using the conversation factor of 1 PSI 2 30894 FT H20 Display 1 Press the PRGM key 2 Press the PRGM key 3 Press the up or down arrow key until USER UNIT SELECT is displayed 4 Press the PRGM key See note 1 at bottom of this table 5 Press the PRGM key to change the value 6 Start entering the conversion factor by pressing the up arrow key until the first digit reads 2 7 Press the right arrow key to enter the value 2 and advance the cursor to the next digit 8 Repeat step 6 and 7 until bottom line reads 2 30894 9 If an error is made use the left arrow key to move the cursor back to the incorrect digit Then press up or down arrow keys to Www meriam com page 7 of 31 Top line reads PROGRAM MODE and bottom line reads UNITS SELECT Top line reads UNITS SELECT and bottom line shows current engineering units Top line reads UNITS SELECT Bottom line reads USER UNIT SELECT Top line reads VALUE Bottom line reads CHANGE YES Top line reads USER UNIT VALUE Top line reads USER UNIT VALUE Bottom line reads 20000000 Cursor flashes to the right of the 2 Now numbers decimal point or blank space can be entered Bottom line reads 2 30894 Last digit 4 is blinking The digit that is corrected is blinking
22. om line reads Header are on page 13 MERIAM The cursor flashes at bottom left 9 Press the left arrow key Top line reads PROGRAM to go back to USER INFO MODE and bottom line reads SELECT screen USER INFO SELECT www meriam com a meriam process techaologies page 10 of 31 2 Set Feces Somer M2 Series Instruction Manual 9R000045 C MAR 2008 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 limits the manometer to being tumed off by using the ON OFF key only To configure auto shut off follow these steps 1 Follow steps 1 6 inthe Top line reads AUTO SHUT User Info Select table OFF and bottom line reads ENTER TO SELECT 2 Press the PRGM key Top line reads AUTO SHUT then the up or down OFF and bottom line toggles to arrow keys until the DISABLED 10 20 30 desired shut off time is 45 and 60 minutes shown 3 Press the PRGM key Desired Auto Shut Off time is selected top line reads AUTO SHUT OFF and bottom line reads ENTER TO SELECT 4 Press the left arrow key Returns to Measure Mode twice Note The Auto Shut Off timer is suspended during Data Logg
23. page 20 of 31 Top line reads RE CAL Bottom line reads EDIT Top line reads CAL POINT 1 Bottom line displays the cal point value Bottom line displays the cal point value The cursor flashes at the first position while the value is changed then moves to the right position when the right arrow key is pressed Top line reads CAL POINT 2 Bottom line displays the cal point value Top line reads CAL POINT 2 3 4 5 Bottom line displays the cal point value Top line reads RE CAL Bottom line reads EDIT Top line reads RE CAL Bottom line START Continue with 5 Point Re calibration procedure at step 3 on next page OR Returns to Measure Mode meriam A process tochaalogics 2 Serti Feiner comonny M2 Series Instruction Manual 9R000045 C MAR 2008 RE CALALIBRATION 5 Point START To begin the 5 point re calibration procedure turn the unit OFF and follow the steps below Keystroke 1 Press and hold the Top line reads RE CAL MIN MAX key and turn the Bottom line reads EDIT unit on by pressing the ON OFF key 2 Press the up arrow key Top line reads RE CAL until START is displayed Bottom line reads START on the bottom line 3 Press the PRGM key Top line reads RE CAL Bottom line reads 1 POINT 4 Press the up arrow key Top line reads RE CAL until 5 POINT is START displayed on the bottom Bot
24. splay Hold function This freezes the value displayed If the MIN MAX function is activated those values are also frozen With HOLD activated the letter H appears in the lower left of 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 v key can be used to edit that register www meriam com a meriam process technologies page 3 of 31 o mora Taaa ooren M2 Series Instruction Manual 9R000045 C MAR 2008 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 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 www meriam com a meriam process technologies page 4 of 31 st M2 Series Instruction Manual 9R000045 C MAR 2008 2 Zeroing the Manometer To zero the manometer first turn off pressure sources and vent pressure ports to atmosphere The display should read close to zero Press the MIN MAX and HOLD keys at the same time and then release This begins th
25. t i CE 0539 1G A aE a a Ex ja IIC T4 Cleveland OH Mod ce rere e ATEX 0615699 Mo M2 Se IP 40 Handheld tiene toe Hazardous t Locations Class Div 1 Groups A B C D T4 intrinsically Safe Exia Class Zone 0 AEx ia IIC T4 Cc us Class Zone 0 Ex ia IIC T4 5 C lt Ta lt 50 C LISTED WARNING Substitution of components may impair Intrinsic 22W1 eafety Refer to Manual for approved batteries list and safety Precautions 8P000074PN01 Note the following WARNINGS and requirements e Substitution of components may impair Intrinsic Safety e To prevent ignition of flammable or explosive atmospheres disconnect power before servicing e To prevent ignition of flammable or explosive atmospheres DO NOT open or service unit including battery compartment in flammable or explosive atmosphere DO NOT rub 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 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 e 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 warran
26. t M2 Series Units Select Instruction Manual 9R000045 C MAR 2008 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 0 20 C 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 Display 1 Press the PRGM key 2 Press the PRGM key 3 Press the up or down arrow key until desired engineering unit is displayed 4 Press the PRGM key to select the engineering unit 5 Press the down arrow key 6 Press the PRGM key Www meriam com page 6 of 31 Top line reads PROGRAM MODE and bottom line reads UNITS SELECT Top line reads UNITS SELECT and bottom line shows current engineering units Engineering units on bottom line of display change Top line reads PROGRAM MODE and bottom line reads UNITS SELECT Bottom line reads EXIT Display returns to Measure Mode in new engineering units meriam AS process tochaalogics 2 Serti Feiner comonny Instruction Manual 9R000045 C MAR 2008 M2 Series 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 A
27. tom line reads 5 POINT line 5 Press the PRGM key Top line reads POINT 1 ZERO Bottom line displays live applied pressure 6 Vent P1 and P2 ports to Unit takes new zero Top line atmosphere and reads POINT 1 ZERO simultaneously press the Bottom line displays live MIN MAX and HOLD applied pressure POINT 1 has keys then release been taken 7 Press the right arrow key Top line reads POINT 2 while on the right most APPLY digit to proceed Bottom line displays the cal point value to apply 8 Apply the indicated Top line reads POINT 3 calibration point pressure APPLY using external pressure Bottom line displays the cal standards After pressure is point value to apply stable press the right arrow key 9 Repeat step 8 for CAL Top line reads POINT 4 5 POINTS 4 and 5 APPLY Bottom line displays the cal point value www meriam com a meriam process techaologies page 21 of 31 a M2 Series Instruction Manual 9R000045 C MAR 2008 10 Use up or down arrow Top line reads SAVE keys to select NO or YES Bottom line reads NO or when asked Save the YES Re Calibration data 11 Press the PRGM key at Top line reads RE CAL YES to save the Re Bottom line reads START Calibration data or at NO to Re cal is complete exit without saving 12 Press the left arrow key Returns to Measure Mode RE CALIBRATION Restore Factory
28. ttom line reads RECORD 7 To access recorded Top line reads DATA values press the 4 key LOGGING and bottom line reads VIEW 8 To view recorded values Top line reads DATA LOG press the PRGM key 1 and bottom line displays the value Continue pressing the 4 key to view all values 9 Press the 4key 3 times Returns to Measure Mode 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 www meriam com a meriam process techaologies page 15 of 31 2 Set Feces Somer M2 Series Instruction Manual 9R000045 C MAR 2008 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 the 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 Mode Top line reads PROGRAM press the PRGM key MODE and bottom line reads UNITS SELECT 2 Press the down arrow key Bottom line reads LEAK twice TEST 3 Press the PRGM key Top line reads LEAK TEST and bottom line reads CONFIGURE 4 Press the PRGM key Top line reads Leak Test Period amp bottom X X
29. ttom line changes to USER INFO SELECT Bottom line shows serial number Top line reads HEADER NAME and bottom line reads MERIAM The cursor flashes at bottom left Top line reads PROGRAM MODE and bottom line reads USER INFO SELECT Returns to Measure Mode Displays a number between 0 and 9 a letter from A to Z ora blank space Cursor advances one space to right Top line reads PROGRAM MODE and bottom line reads UNITS SELECT Returns to Measure Mode process techaalogics A 2 Serti Feiner comonny M2 Series Instruction Manual 9R000045 C MAR 2008 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 Mode Top line reads PROGRAM press the PRGM key MODE and bottom line reads UNITS SELECT 2 Press the up arrow key Bottom line reads three times CONTRAST SELECT 3 Press the PRGM key Top line reads CONTRAST SELECT and bottom line shows a numerical value 4 Press the up or down LCD lightens or darkens arrow keys to increase or depending on the value set decrease the contrast value A low number gives maximum contrast and a high number gives minimum contrast 5 Press the PRGM key Top line reads PROGRAM MODE and bottom line reads
30. ty No torque should be applied to the manifold with respect to plastic enclosure Vv Vv V WV www meriam com AA meriam page 25 of 31 a Seti Fear Comoe M2 Series Instruction Manual 9R000045 C MAR 2008 Changing the Batteries Adherence to the Specifications and Certification Safety Warnings sections of this manual shall be enforced when changing batteries 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 the fully disengaged from the manometer base Lift the cover from the back of 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 www meriam com a meriam process techaologies page 26 of 31 a M2 Series Instruction Manual 9R000045 C MAR 2008 To install the four batteries 1 Make sure polarity of battery matches the markings in the compartment 2 Ist place t
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