AP025Electronic pressure transmitter G1/4M

  • G 1/4 M

  • 0 bar ... 25 bar

  • Analogue output

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  • Pressure transmitter for liquid and gaseous media
  • Precise analogue output (4...20 mA)
  • Stainless steel thick-film measuring cell - welded gasket-free
  • Can be used for high media temperatures up to 135°C
  • Suitable for refrigerants - also ammonia

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The electronic pressure transmitter AP025 was designed for industrial use with liquids and gases and has a measuring range of 0 ... 25 bar. The device has an analog output (4...20 mA), a G1/4 A process connection (according to DIN EN ISO 1179-2) and an M12 plug connection. The pressure transmitter has a compact design with IP67 protection, excellent measuring accuracy and very high operational reliability.

Suited for group 2 fluids according to the Pressure Equipment Directive (PED).

The pressure transmitter is based on thick-film technology, in which the pressure measuring cell is welded to the pressure transducer without seals. In addition to the high burst resistance required in various applications, these pressure transmitters are also suitable for use with all refrigerants including ammonia. Other applications include hydraulic applications or applications with inert gases.

Note: When used with an analogue output use exclusively sensor cables without LED.

Technical data AP025

General information

Liquid and gaseous media, refrigerants, ammonia
Relative pressure
0 bar
25 bar
150 bar
75 bar
DIN EN ISO 1179-2
External thread
G 1/4

Outputs / inputs

4 ... 20 mA
When used with an analog output use exclusively sensor cables without LED

Electrical data

7 ... 33 V DC
Direct voltage (DC)
23 mA

Mechanical data

V4A (1.4404)
20 Nm
V4A (1.4404)
Contacts gold-plated


0.1 % FS*
Typical ± 0.3 % FS* | max. ± 0.5 % FS*
incl. zero point, full scale, linearity, hysteresis and repeatability
± 0.2 % FS* / 10K
± 0.25 % FS*
*FS: Fullscale

Ambient conditions

-30 °C
85 °C
-30 ... 135 °C °C

Additional information

1189 years
No accessories included
EN 61326-2-3
EN 50121-3-2
DIN IEC 68-2-27
IEC 68-2-29
DIN EN 60068-2-6
DIN IEC 68-2-6
Good engineering practice
0,09 kg


OUT: analogue output 4 ... 20 mA
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