PRESSURE SENSOR MODULES
Pressure Measurement Modules for use with
MFT 4000, MFT 4010 and MFT 4020
Pressure Sensor Modules from Meriam Process
Technology are available in a several types and ranges to
provide the ultimate in flexibility and convenience for
calibration standards. Meriam pressure modules are used
with any MFT 4000 Series Multi-Function Tester by
installing modules into any of three (3) MFT sensor bays.
The modules are completely interchangeable and can also
be hot-swapped, when needed, to facilitate most any
pressure testing needs (restrictions on module installation
and removal apply to Intrinsically Safe MFT units).
NIST traceable accuracy of ± 0.025% FS is available for
most pressure ranges and types. This accuracy statement
includes all effects of linearity, hysteresis, repeatability
and temperature from 23° F to 122° F (no partial
temperature compensation here!). A NIST certificate and
calibration data are included with each module for quality
assurance purposes. A reduced specification of ± 0.025%
FS ± 0.004% FS per °F (Ref. Temp. = 70° F) is also
available for most pressure ranges. This specification
offers customers a cost savings with virtually the same
measurement accuracy when used in conditioned or
temperate environments.
Calibration coefficients for all modules are stored in nonvolatile sensor module memory. This means any pressure
module can be used in any Meriam MFT without manual
programming of coefficients. When a module is installed
or the MFT is powered up, the MFT senses the module
bay connection, polls the module for the calibration
coefficients and configures the display for pressure
readout in the last engineering unit selected. Engineering
units, including PSI, centimeters or inches of H
20°C, or 60°F), kg/cm
inches of Hg (at 0°C ref. temp), are all selectable from the
MFT keypad.
Meriam sensor modules are designed to be re-calibrated
in the field with appropriate local calibration standards.
The MFT’s Rcal feature allows customers to adjust zero
(offset) and full scale (gain) plus up to seven (7) addition
points on the calibration curve. Dead weight testers are
generally used to apply a known pressure to a module.
The Rcal feature allows the user to key in the applied
pressure value, which lets the module know how to
correct its calibration curve. Meriam also provides
factory re-calibration services for pressure modules
including complete documentation and certification.
2
, kPa, mBars, Bars, millimeters or
Certifications Available
CE Mark (standard)
•
NIST traceability certificate (standard)
•
Intrinsically Safe, MET Laboratories per
•
CSA C22.2 & UL Class I Division I
(standard on all pressure modules)
O (at 4°C,
2
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Available Pressure Modules
Accuracy Model Pressure range Type
±.10% * FDN0010 0-10” H
FDN0020 0-20” H
x
x
±.025% * x
x
OR x
x
±.025% x
±.004% x
FS / °F x
x
x
DN0100 0-100” H2O Differential
DN0200 0-200” H2O Differential
DN0400 0-400” H2O Differential
DN2000 0-2000” H2O Differential
GI0020 0-20 PSIG Gauge
GI0200 0-200 PSIG Gauge
GI0500 0-500 PSIG Gauge
GI1000 0-1000 PSIG Gauge
GI1500 0-1500 PSIG Gauge
GI2000 0-2000 PSIG Gauge
AI2000 0-2000 mm Hg Absolute
O Differential
2
O Differential
2
DDN0400 Module
xAI0900 0-900 mm Hg Absolute
xAI5200 0-100 PSIA Absolute
±.05% * GGI3000 0-3000 PSIG Gauge
* Includes all effects of linearity, hysteresis, repeatability and
temperature from 23° F to 122° F
where x = D for ±0.025% FS with full temp comp
MFT with T/C, DDN0400 &
VMA Modules installed
E for ±0.025% FS ±0.004% FS per °F
Specification
Temperature:
Storage: -40° F to 140° F (-40° C to 60° C)
Operating: 23° F to 122° F (-5° C to 50° C)
Model codes and uses
x
DN: Differential Non-isolated – clean, dry, non corrosive gases only
x
GI: Gauge Isolated – medias compatible with 316SS
x
AI: Absolute Isolated – medias compatible with 316SS
Accessories
P/N A900529-00015 VMA Test Lead Kit - banana plugs on 9" breakouts both ends, assorted connectors
P/N B34686 961P pressure pump with integral variator, bleed valve, 1/8" FNPT connection, 0 - 145 PSIG
P/N B34700 961V vacuum pump with integral variator, bleed valve, 1/8" FNPT connection, -650 mm Hg
P/N A34386 Low Pressure Connector Kit (not for use above 250 PSIG)
P/N A34102 1/8" O.D. tubing to 1/8" MNPT connector (not for use above 250 PSIG)
P/N A34112 1/8" O.D. tubing union tee (not for use above 250 PSIG)
P/N A34099-1 1/4" MNPT X 1/8" FNPT reducer bushing, brass
P/N A34103-2 10 ft of 1/8" O.D. nylon tubing (not for use above 250 PSIG)
P/N A36856 Push to read equalizing manifold for DP modules, brass, 1/8"FNPT connections
P/N A900020-90502 High Pressure Connection Kit, 3’ hose (not for use above 9,000 PSIG)
P/N A900020-90503 High Pressure Connection Kit, 1’ hose (not for use above 9,000 PSIG)
P/N A900020-90501 5 pcs 1/4" MNPT x HP Quick Connect Fitting (not for use above 9,000 PSIG)
P/N A900436-00001 1 pcs 1/8" MNPT HP Quick Connect fitting (not for use above 9,000 PSIG)
NIST Traceable Accuracy:
See specification in Table above
Connections: 1/8” FNPT, 316ss
Pressure limits:
x
GI / xAI modules: 2X range / 316ss compatible
x
DN modules: 2X range when pressurized on
high side only, 150 PSI when applied simultaneously to high and low sides
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Pressure Module Units Resolution Table No. 1
10" WC 20" WC 200" WC 400" WC 2000" WC 20 PSIG 200 PSIG 500 PSIG 1000 PSIG
Press. Unit
mm Hg
in. Hg
cm H2O
Bar
mBar
KPa
Kg/cm²
inH2O 4°C
inH2O 60°C
inH2O 20°C
PSI
xx.xxx xx.xxx xxx.xx xxx.xx xxxx.x xxx.xx xxxx.x xxxx.x xxxx.x
x.xxxx x.xxxx xx.xxx xx.xxx xxx.xx xx.xxx xxx.xx xxx.xx xxx.xx
xx.xxx xx.xxx xxx.xx xxx.xx xxxx.x xxx.xx xxxx.x xxxx.x xxxx.x
x.xxxx x.xxxx x.xxxx x.xxxx xx.xxx x.xxxx xx.xxx xx.xxx xx.xxx
xx.xxx xx.xxx xxx.xx xxx.xx xxxx.x xxx.xx xxxx.x xxxx.x xxxx.x
xx.xxx xx.xxx xxx.xx xxx.xx xxxx.x xx.xxx xxx.xx xxx.xx xxx.xx
x.xxxx x.xxxx x.xxxx x.xxxx xx.xxx x.xxxx xx.xxx xx.xxx xx.xxx
xx.xxx xx.xxx xxx.xx xxx.xx xxxx.x xxx.xx xxxx.x xxxx.x xxxx.x
xx.xxx xx.xxx xxx.xx xxx.xx xxxx.x xxx.xx xxxx.x xxxx.x xxxx.x
xx.xxx xx.xxx xxx.xx xxx.xx xxxx.x xxx.xx xxxx.x xxxx.x xxxx.x
x.xxxx x.xxxx xx.xxx xx.xxx xxx.xx xx.xxx xxx.xx xxx.xx xxx.xx
Pressure Module Units Resolution Table No. 2
1500 PSIG 2000 PSIG 3000 PSIG 900mm 2000mm 5200mm
Press. Unit Hg Abs Hg Abs Hg Abs
mm Hg
in. Hg
cm H2O
Bar
mBar
KPa
Kg/cm²
inH2O 4°C
inH2O 60°C
inH2O 20°C
PSI
xxxx.x xxxxx xxxxx xxxx.x xxxx.x
xxx.xx xxxx.x xxxx.x xxx.xx xxx.xx xxx.xx
xxxx.x xxxxx xxxxx xxxx.x xxxx.x xxxx.x
xx.xxx xxx.xx xxx.xx xx.xxx xx.xxx xx.xxx
xxxx.x xxxxx xxxxx xxxx.x xxxx.x xxxx.x
xxx.xx xxxx.x xxxx.x xxx.xx xxx.xx xxx.xx
xx.xxx xxx.xx xxx.xx xx.xxx xx.xxx xx.xxx
xxxx.x xxxxx xxxxx xxxx.x xxxx.x xxxx.x
xxxx.x xxxxx xxxxx xxxx.x xxxx.x xxxx.x
xxxx.x xxxxx xxxxx xxxx.x xxxx.x xxxx.x
xxx.xx xxxx.x xxxx.x xxx.xx xxx.xx xxx.xx
xxxx.x
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