Meriam M2001 User manual

User Manual
M2001/M2001X
Smart Manometer
With Rotary Gas Meter Test
Optional Meriam Tethered Sensors with meriSuite CG application
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9R725-A ECN-18489 January 2020
User Manual M2001/M2001X Smart Manometer with Rotary Gas Meter Test  of 
Contents
General Information...................................................................................................................................
Notification Statements...................................................................................................
Glossary......................................................................................................................................
General warnings and cautions.......................................................................................................
Preventing injury ..................................................................................................................
Safety symbols.......................................................................................................................
Sample label for General Purpose Smart Manometers ...........................
Fire or explosion hazard..................................................................................................
For General Purpose Series .........................................................................................
For Instrinsically Safe Series........................................................................................
Do not exceed pressure limits.................................................................................
Sensors: DN and DI.................................................................................................................................
Sensor manifold types ..................................................................................................
Make a connection...........................................................................................................
Zero the dierential sensor........................................................................................
Switch from PSI to INW6F before you begin.............................................
Drop Test keys.....................................................................................................................
Drop Test procedures ....................................................................................................
Switch from Drop Test to MTS.......................................................................................................
Meriam Tethered Sensors (MTS).................................................................................................
Overview of temperature and pressure sensors........................................
Make an electrical connection ................................................................................
Overview for zeroing Absolute Sensors...........................................................
Steps for zeroing Absolute Sensors....................................................................
Smart Manometer.....................................................................................................................................
Battery and USB power................................................................................................
Batteries...................................................................................................................................
The display.............................................................................................................................
Keypad: Description of the keys............................................................................
The backlight........................................................................................................................
Measurement units..........................................................................................................
Damping..................................................................................................................................
Data Logging........................................................................................................................
Leak Test .................................................................................................................................
Relief Valve Test.................................................................................................................
Auto O (Automatic shut o)...................................................................................
What does the Zero (ø) key do?.............................................................................
meriSuite CG application...................................................................................................................
How does meriSuite CG benefit you?................................................................
meriSuite CG and USB Drivers required..........................................................
Tips for using meriSuite CG......................................................................................
Connection status.............................................................................................................
Configuration button ......................................................................................................
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User Manual M2001/M2001X Smart Manometer with Rotary Gas Meter Test  of 
User Calibration button................................................................................................
Data Log button.................................................................................................................
TSV file format.....................................................................................................................
Application button............................................................................................................
Update button......................................................................................................................
Specifications ..............................................................................................................................................
DI and DN sensors: type and range....................................................................
Meriam Tethered Sensors: type and range....................................................
Overrange limit...................................................................................................................
Temperature..........................................................................................................................
Relative Humidity..............................................................................................................
Vibration ..................................................................................................................................
Ingress specifications....................................................................................................
Altitude specifications...................................................................................................
Keypad......................................................................................................................................
Media Compatibility........................................................................................................
Battery Type..........................................................................................................................
EMC compliance ...............................................................................................................
Dimensional specifications ......................................................................................
Dimensional specifications........................................................................................
Weight.......................................................................................................................................
Enclosure ................................................................................................................................
Maintenance and cleaning................................................................................................................
Cleaning...................................................................................................................................
Prepare the Smart Manometer for storage....................................................
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User Manual M2001/M2001X Smart Manometer with Rotary Gas Meter Test  of 
General Information
Notification Statements
Disclaimer
Every precaution has been taken in the preparation of this
manual. Nevertheless, Meriam assumes no responsibility for
errors or omissions or any damages resulting from the use of
the information contained in this publication, including, without
limitation, incidental, special, direct or consequential damages.
MERIAM MAKES NO REPRESENTATIONS OR WARRANTIES
WITH RESPECT TO THE ACCURACY OR COMPLETENESS OF
THE CONTENTS HEREOF AND SPECIFICALLY DISCLAIMS ANY
IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS
FOR ANY PARTICULAR PURPOSE. Meriam reserves the right to
revise this publication and to make changes from time to time in
the content hereof without obligation to notify any person of such
revision or changes.
In no event shall Meriam be liable for any indirect, special,
incidental, consequential, or punitive damages or for any lost
profits arising out of or relating to any services provided by
Meriam or its ailiates.
It is not possible for Meriam to identify all foreseeable uses or
misuses, therefore all persons involved in commissioning, using,
or maintaining this product must satisfy their self that each
intended application is acceptable.
Copyright
This publication is proprietary to Meriam and no ownership
rights are transferred. Neither this manual, nor any of the material
contained herein, may be reproduced without the prior written
consent of Meriam.
Trademark information
Design Patent D769,141 for the Smart Manometer’s LCD display.
All other trademarks are the property of their respective owners.
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User Manual M2001/M2001X Smart Manometer with Rotary Gas Meter Test  of 
Glossary
Words and phrases with their definitions or explanations.
Words &
phrases
Definitions or explanations
Blinking • It indicates the active edit field on an edit
screen.
• It indicates the displayed value is not actively
changing (like Hold or stopped Test).
FS • FS is the abbreviation of Full Scale.
Home with
Drop Test
displayed
• The Home screen is the first to display after
turning on the Smart Manometer.
• It’s the screen with measurements and units
on it.
Home
with MTS
displayed
• After you press the Home key in many
other screens with MTS selected, the Smart
Manometer returns you to the Home screen.
Key and
button
• A key refers to hardware push-buttons on the
keypad that you can press.
• A button refers to an area in meriSuite CG that
you can tap or click to select functions.
Isolated • The word isolated refers to the sensing
element being separated from the media. It
is commonly used in the phrases Absolute
Isolated (AI) pressure and Compound Isolated
(CI) pressure.
Customer
Calibration
• Customer calibration refers to any calibration
done outside of Meriam with non-Meriam
traceability.
• Customer calibration includes: Multipoint
calibration or adjustment.
Meriam
Tethered
Sensor
(MTS)
• A Meriam Tethered Sensor (MTS) always
refers to an external pressure sensor P2 or to
an external temperature sensor T2.
-- P1 -- • P1 on the display always refers to the internal
sensor.
-- P2 --
or
--t2--
• P2 on the display always refers to the external
pressure sensor.
• T2 on the Smart Manometer display always
refers to the MTS RTD temperature sensor.
p1.P2 • Data from the internal and external pressure
sensors display in two lines on the Smart
Manometer at the same time.
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User Manual M2001/M2001X Smart Manometer with Rotary Gas Meter Test  of 
Words &
phrases
Definitions or explanations
P1.T2 • Data from the internal pressure sensor and
MTS temperature RTD sensor display on the
Smart Manometer at the same time.
--out- • --out- displays on the process readout
when the information readout is providing
information about exiting tests.
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User Manual M2001/M2001X Smart Manometer with Rotary Gas Meter Test  of 
General warnings and cautions
Preventing injury
Failure to follow all instructions could result in injury:
Read directions
before using
▪Read the entire manual before using the Smart Manometer.
▪Understand the contents before using the Smart Manometer.
▪Follow all safety warnings and instructions provided with this
product.
Safety symbols
The following table defines the safety symbols, signal words,
and corresponding safety messages used in the manual. These
symbols:
▪Identify potential hazards.
▪Warn you about hazards that could result in personal injury or
equipment damage.
Safety symbols Explaining the symbols
DANGER
!
Indicates a potentially hazardous situation
which, if not avoided, will result in death or
serious injury.
WARNING
!
Indicates a potentially hazardous situation
which, if not avoided, could result in death or
serious injury.
CAUTION
!
Indicates a potentially hazardous situation
which, if not avoided, could result in minor or
moderate injury.
NOTICE
Indicates information essential for
proper product installation, operation or
maintenance.
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User Manual M2001/M2001X Smart Manometer with Rotary Gas Meter Test  of 
Sample label for General Purpose Smart
Manometers
All M2001 Series models are available for general-purpose use.
General Purpose (GP) 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:
USA |designed|engineered|assembled
General Purpose
Four 1.5 V alkaline AA batteries
Operating Temperature:
–10 ºC < Ta < 50 ºC
Refer to manual for use and
safety precautions.
For use only
in non-hazardous
locations.
WARNING
!
Fire or explosion hazard
DANGER
!
▪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 or
explosion.
For General Purpose Series
CAUTION
!
Substitution of components may impair operation and safety.
▪Disconnect power before servicing.
▪Do not power the Smart Manometer with a combination of
new and old batteries.
▪Do not power the Smart Manometer with a combination of
batteries from dierent manufacturers.
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User Manual M2001/M2001X Smart Manometer with Rotary Gas Meter Test  of 
Sample label for Intrinsically Safe Smart
Manometers
Intrinsically Safe
—M2001X Marking
Intrinsically Safe versions are identified by the nameplate located
on the battery door. A sample of the Intrinsically Safe nameplate is
shown below:
Intrinsically Safe
Manometers
M2001X Smart Manometer
Directives for the proper use of equipment are located on
9R698-Intrinsically Safe Control Drawing that accompanies each
M2001X shipped.
•Component substitution may impair Intrinsic Safety.
•Repairs must be made at Meriam to retain the Intrinsic Safety
Certification.
•Service gauges only in a safe location.
•Replace batteries only in a safe location.
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Sample label for Intrinsically Safe Tethered
Sensors
Intrinsically Safe—MTSX Marking
See the figure of a sample label below.
Intrinsically Safe tethered sensors
MTSX Meriam Tethered Sensors
Directives for the proper use of equipment are located on
9R699-Intrinsically Safe Control Drawing that accompanies each
MTSX shipped.
•Component substitution may impair Intrinsic Safety.
•Repairs must be made at Meriam to retain the Intrinsic Safety
Certification.
•Service sensors only in a safe location.
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User Manual M2001/M2001X Smart Manometer with Rotary Gas Meter Test  of 
Do not exceed pressure limits
WARNING
!
▪Do not exceed the Pressure Limits listed in the Specifications
section of this manual.
▪Failure to operate within the specified pressure limit could
result in minor or moderate injury.
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User Manual M2001/M2001X Smart Manometer with Rotary Gas Meter Test  of 
Sensors: DN and DI
Sensor manifold types
ZMTS-DNXXXX
ZM2001-DNXXXX
ZMTS-DIXXXX
ZM2001-DIXXXX
Make a connection
1. Attach the pressure fittings to the internal pressure sensor
module.
Note: The threads should be coated with a pipe sealant
compound before installation.
2. Tighten to finger tight plus 1.5 turns to 3turns using the 7/16-
20 thread on the Push-to-Read valve.
Zero the dierential sensor
1. Make sure you push and hold the Push-to-Read valve to vent
the pressure ports to atmosphere.
2. Press and hold the Zero key until you see dashed lines
appear on-screen ------.
Note: The process is complete when the Smart Manometer
returns to the Home (Measurement Units) screen. For Drop
Tests, the Home screen is the Drop Test idle screen.
3. After zeroing the sensor, connect the P1 port to the upstream
side of the meter and the P2 port to the downstream side of
the meter.
Switch from PSI to INW60F before you begin
NOTICE
First time only: Change the measurement Units from PSI to
INW6F. It will remain INW6F each time you turn it on.
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Drop Test keys
These keys are available before you begin the Drop Test.
1. Zero key .
2. Measurement Units key .
3. Start (the Drop Test) key .
4. Information key .
Drop Test procedures
Live pressure readings are displayed before and during a drop
test.
1. Press the Start key to begin a Drop Test.
2. Press the Stop key to stop a Drop Test.
Note: The numbers flash to indicate the M2001 has stopped
the test. The flashing numbers display the average dierential
pressure during the test.
3. Press the Display Forward key to see the duration of the
Drop Test in seconds.
4. Press the Display Forward key to see MIN drop pressure
displayed.
5. Press the Display Forward key to see MAX drop pressure
displayed.
6. Press the Display Forward key again to see --out-
screen with these options  OR X TO EXIT TEST
Note: After you exit the test, you return to the message: DROP
TEST TAP START To BEGIN TEST.
Note: Additionally, you may press the Display Backward key
and you see the four items displayed in reverse order.
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Switch from Drop Test to MTS
Optional: For those of you who purchased Meriam Tethered Sensors (MTS)
for the M2001, you can switch from the Drop Test to screens available for the
MTS.
1. Attach an MTS to the M2001.
Note: For Drop Tests, the Home screen is the Drop Test idle
screen.
2. From the Drop Test screen (also known as the Home screen),
press the Up arrow to view all the available information and
options.
3. Use the optional meriSuite CG application to configure,
calibrate, and update the Smart Manometer and use Data Log
for the MTS.
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Meriam Tethered Sensors (MTS)
Overview of temperature and pressure sensors
1. The P2 sensor and the T2 sensor can be displayed with the P1
sensor.
2. When two sensors are displayed, no Units are displayed and
the Units key is disabled.
3. The Zero key is also disabled.
4. When a single sensor is selected it displays the measurement
units that were selected in meriSuite CG.
Make an electrical connection
▪Align the red dot on the Smart Manometer with the red dot on
the Tether cable and push in.
▪Align the red dot on the MTS with the red dot on the Tether
cable and push in.
Overview for zeroing Absolute Sensors
The Smart Manometer is a stable and precise instrument.
However, on occasion the Smart Manometer should have a new
zero taken. The new zero removes a zero drift that can occur after
the Smart Manometer was last zeroed. The Smart Manometer can
be zeroed only if the new applied zero is within ± 1 % FS of the
original factory calibration zero. This prevents accidental zeroing
at atmospheric pressure or other relatively high pressures. If the
Smart Manometer is outside this limit, the Smart Manometer
cannot zero.
1. Referenced to Absolute Zero - This traditional and preferred
method takes a snapshot of the measured pressure when a
vacuum of less than 100 microns Absolute is applied to the
sensor.
2. Restore Factory Zero - This method restores the calibration
curve to the original zero taken at the factory.
Note: This feature is intended for comparison purposes, and
should not be used for real pressure measurement. This feature
does not compensate for any zero drift.
3. User Defined Oset (Zero) - With this method, you can enter
any pressure value when a known reference is applied (for
example, the local barometer). The Smart Manometer will
compare its actual measured value with the entered value, and
calculate a new zero reference based on the oset.
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Steps for zeroing Absolute Sensors
You can zero the Smart Manometer in one of three ways. The
following may appear in a dierent order depending on which
arrow key you press. When an absolute sensor displays on-screen
as P1 or P2, press the Zero key to see one of the three sets of
characters below and the following three messages
On-screen
message Explanations
TAP  TO
CHOOSE REF
• Tapping the Accept key selects the displayed
reference.
ARROWS TO
CHANGE REF
• Tapping an Arrow key changes the displayed
reference.
X Cancels
• Tapping the Cancel key cancels the zero
request.
ab5 0 • This is the on-screen abbreviation for
Absolute Zero.
dflt • This is the on-screen abbreviation for Default.
• If you want to restore the Factory Zero on a
sensor, press the Accept key when you see
these characters appear.
u5Er 0 • This refers to User Defined Oset (Zero). You
can set an absolute reference point other than
zero.
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User Manual M2001/M2001X Smart Manometer with Rotary Gas Meter Test  of 
Smart Manometer
Battery and USB power
When you turn on the Smart Manometer, it draws power from the
batteries and the battery icon displays in the bottom row. When
you press the information button, it displays Batt %.
When you turn on the Smart Manometer and plug in the USB
cable to the computer, the Smart Manometer switches to the
power supplied by the USB cable. The battery icon disappears
from the bottom row. When you press the information button, it
displays USB POWER.
DANGER
!
Do not use the USB in hazardous locations.
Batteries
DANGER
!
Remove and replace batteries in non-hazardous (safe) areas only.
Turn o the backlight
▪Turn o the backlight when you need to conserve battery
power.
▪The backlight is dimmed when the Smart Manometer is in low
battery mode.
Suggested brands of batteries
The following is a suggested list of batteries.
▪Duracell MN1500
▪Duracell PC1500
▪Energizer EN91
▪Panasonic LR6XWA
▪Rayovac 815
▪Varta 4906
Note: The Smart Manometer is powered by four 1.5 volt AA size
batteries.
For M2001X use only batteries listed on 9R698.
DANGER
!
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Know your batteries
▪For M2001X use only batteries listed on 9R698.
▪Never mix batteries—not by manufacturer or by size, by
capacity, or by chemistry.
▪Never mix old and new batteries.
▪Remove all four batteries in the Smart Manometer at the same
time.
▪Replace all four batteries with batteries from the same
package or with the same expiration date.
Install the batteries
1. Turn over the Smart Manometer so the display faces down.
2. Remove the two screws on the battery cover with the Phillips-
head screwdriver by turning them counterclockwise.
3. Insert the four AA batteries.
Note: Pay attention to the positive (+) and negative (−) battery
polarity markings at the bottom of the compartment.
4. Replace the battery cover.
5. To secure the cover, torque the screws clockwise 2 in. lb.
maximum.
6. Do not over tighten.
NOTICE
To prevent internal damage to circuitry, do not substitute screws
with lengths that are dierent from the screws Meriam provided to
you.
Watch for the low battery indicator
The battery indicator on the display shows the current charge.
Note: Be prepared to change batteries when you see the outline
of the battery icon and the outline of the battery icon flashes.
You have approximately 2 hours of run time following a low
battery warning.
Refer to battery manufacturers’ instructions
Visit the website of the battery manufacturer to learn more about
the care, storage, shipping, use, disposal, and recycling of your
batteries.
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The display
Information Readout
Process Variable Readout
Bar Graph
The bar graph
The bar graph displays a live indication of the current pressure or
temperature applied to a sensor as a percent of FS.
Note: When you press the Information key, the bar graph
displays the remaining state of the charge for the batteries.
Display functions
The Drop Test screen is the Home screen for the M2001.
Display functions appearing on the MTS
The Smart Manometer has 11 display functions. It ships with five
display functions active (they appear in bold below). You can
change which displays are active with meriSuite CG.
Press the Forward (or Backward in reverse order) key to view
these modes.
1. Home (P2 measurement
units)
2. MIN (Minimum)
3. MAX (Maximum)
4. RELIEF VALVE TEST
5. + / - (Accuracy)
6. T.OFF, T.ON ( Tare)
7. AVG (Average)
8. Rate
9. DATA LOG
10. LEAK TEST
11. LEAK TEST DURATION
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User Manual M2001/M2001X Smart Manometer with Rotary Gas Meter Test  of 
Keypad: Description of the keys
Name Key Description
Backward • It cycles backward through menu
options.
Home • Home key returns you to the
Measurement and Units screen.
• Home key is disabled during tests and
edits
Forward • It cycles forward through menu
options.
Units • Select a measurement unit.
Start • Start key begins a test or data log.
Stop • Stop or Hold (Freeze) key.
Up arrow • It increases digits by one.
• It switches between the P1 and P2
sensors displays.
Left arrow • It moves the blinking cursor one space
at a time to the left.
Zero & Tare • Zero key resets pressure values to
zero.
• It resets min max values.
• It sets edit values to zero.
• It resets relief valve test.
• As a Tare key, it turns o or turns on
the Tare function.
Right arrow • It moves the blinking cursor one space
at a time to the right.
Down Arrow • It decreases digits by one.
• It switches between the P1 and P2
sensors displays.
Cancel or Esc • Cancel any editing or changes without
saving.
• It also stops tests.
Accept • Accept applies all editing and
changes, and then saves them.
• It also stops tests.
Power • Turns the Smart Manometer on or o.
Information • Displays information about the Smart
Manometer, internal sensor, attached
MTS sensor, and the firmware.
Backlight • It provides three levels of brightness
and o.
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