PROCESS TRANSMITTER GPM

Differential pressure manometer in a protective housing

The GPM series is used for differential pressure measurement in liquids, gases or vapours. Transmitters are especially used for flow measurement with transducers for the differential pressure or dynamic pressure method.

The output of the transmitter in 2-wire technology in 4 … 20 mA.

A multi way with zero compensation can be mounted directly to the transmitter.

Smallest measurement range:
0…1.25 mbar (NMS)
Largest measurement range:
0…25 bar (NMS)
Selected measuring range value:
-NMS to + 0.975 x NMS
Measurement span:
0,025 x NMS to 1 x NMS
Nominal pressure:
to 50 mbar PN63
above 50 mbar PN125
Medium:
gas, liquids, steam

Separation membranes:
1.4404
Venting-/ Drain-valve screw:
1.4401
Flange:
C22, galvanized, yellow chromatic
O-Ring:
buna N, Viton or PTFE
Flange:
C22, galvanized, yellow chromatic
Filling:
silicon oil
Housing:
aluminium pressure die-casting painted
Protection class:
IP 67 according EN 60529
Output:
4…20 mA, 2-wire technology
Supply voltage:
12…45 Vdc, polarity protection
Ex-protection:
intrinsic safety EEx ia IIC T4/T5/T6
Process connection:
1/4 – 18 NPT
Absorption:
0…32 s
damping of measuring cell 200 ms
Medium temperature:
-25…0…+100 °C
Ambient temperature:
-25…0…+75 °C
Measuring accuracy:
± 0.1 % at measuring span < 0.1 x NMS
± 0.25 % at measuring span 0,025 x NMS

EMC:
EN 61000-6-2, EN 61000-6-3, CE-mark
RoHS:
According RoHS-directive 2011/65/EU

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