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Differential Pressure Transmitter 988



  • Building automation
  • Measurement technology in the sanitary and industrial sector
  • Differential pressure measurement between supply and return in heating systems
  • Monitoring of filters, fans and compressors
  • Cooling systems for heating / air conditioning

The differential pressure transmitters of the 988 series are used to measure differential pressure and overpressure.
Monitoring of liquid and gaseous, non-flammable and non-aggressive media.

Technische Daten

Pressure range
For an optimal adaptation to the application, different pressure ranges are available. The measurement is carried out by a ceramic pressure measuring cell, temperature-compensated via internal PTC.

Output signal
In the 3-wire version there is an output signal of 0 … 10 V, or 4 … 20 mA available. For the 2-wire version the transmitter provides an output signal of 4 … 20 mA.

Electrical connection
The electrical connection of the transmitter is optionally available with a 4-pin standardized device plug according to DIN EN 175301 Form A, or with a 4-pin M12 flange plug, A-coded, according to DIN EN 61079.

OEM versions, assembled versions and different connection threads, as well as other measuring ranges are available on request.


9 6401 Winkelset Metall, L-Form mit 4 Schrauben

9 6402 Winkelset Metall, S-Form mit 4 Schrauben

9 6535 Universal Befestigungswinkel U-Form

7 9976 Anschlusskabel / M12-Buchse / 4-polig / A-kodiert / gerade / 4 x 0,34 mm² / 2 m / offenes Ende