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Differential pressure transmitter 984

Differential pressure transmitter 984
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Product Description

The differential pressure transmitters of the 984 series are used to measure differential pressure, over pressure and vacuum. They provide up to 8 pressure ranges and 2 output signals, which are easily selectable by jumper or rotary selector switch.

For an optimum adaptation to the application, the transmitter can be switched between various pressure ranges. The factory setting is the most sensitive range. For the series 984M and 984A the less sensitive second range will be selected by simply removing a jumper. For the series 984Q the available eight ranges can be selected by a rotary selector switch.

Applications : 

  • Building automation and air conditioning systems
  • Over pressure measurement in clean rooms and laboratories
  • Measurement of constant pressure in VAV applications
  • Dynamic filter and ventilator monitoring

Technical Data : 

984M with manual offset calibration

  • Setting ranges:
    Depending on type between -100 Pa und 1 bar
  • Temperature range:
    Working and storage temperature from  -20C to +70C
  • Process connection:
    Hose connection with 4 / 6 mm outer diameter
  • Supply voltage:
    18 to 30 VDC
  • Output signal switchable (only with 3-wire type):
    0 10 V
    4 20 mA
  • Electrical connection:
    Plug-in terminals for wires and strands up to 1.5 mm
  • Protection class:
    IP54 acc. to EN 60529 with protection cap
    IP00 without protection cap

984A with automatic offset calibration

  • Setting ranges:
    Depending on type between -100 Pa und 500 mbar
  • Temperature range:
    Working and storage temperature from  -10C to +50C
  • Process connection:
    Hose connection with 4 / 6 mm outer diameter
  • Supply voltage:
    18 to 30 VDC
  • Output signal switchable:
    0 10 V
    4 20 mA
  • Electrical connection:
    Plug-in terminals for wires and strands up to 1.5 mm
  • Protection class:
    IP54 acc. to EN 60529 with protection cap
    IP00 without protection cap

984Q with automatic offset calibration

  • Setting ranges:
    Depending on type between -500 Pa und 2.500 Pa
  • Temperature range:
    Working and storage temperature from  -10C to +50C
  • Process connection:
    Hose connection with 4 / 6 mm outer diameter
  • Supply voltage:
    18 to 30 VDC
  • Output signal switchable:
    0 10 V
    4 20 mA
  • Electrical connection:
    Plug-in terminals for wires and strands up to 1.5 mm
  • Protection class:
    IP54 acc. to EN 60529 with protection cap
    IP00 without protection cap

 

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