Differential pressure transmitter 985

Product Details:

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Product Description

The differential pressure transmitters of the 985 series are used to measure differential pressure, overpressure and vacuum. They provide up to 8 pressure ranges and 2 output signals, which are easily selectable by jumper or rotary selector switch. Monitoring of gaseous, non-combustible and non-aggressive media.

Applications :

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

Technical data :

985M 2-wire with manual offset calibration

Setting ranges:
Depending on type between -100 Pa and 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:
4 20 mA
Electrical connection:
Plug-in terminals for wires and strands up to 1.5 mm2 or
circular connectors M12 / 4-pole
Protection class:
IP65 acc. to EN 60529

985M 3-wire with automatic offset calibration

Setting ranges:
Depending on type between -100 Pa and 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:
0 10 V
4 20 mA
Electrical connection:
Plug-in terminals for wires and strands up to 1.5 mm2 or
circular connectors M12 / 4-pole
Protection class:
IP65 acc. to EN 60529

985A 3-wire with automatic offset calibration

Setting ranges:
Depending on type between -100 Pa and 1 bar
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:
0 10 V
4 20 mA
Electrical connection:
Plug-in terminals for wires and strands up to 1.5 mm2 or
circular connectors M12 / 4-pole
Protection class:
IP65 acc. to EN 60529

985Q 3-wire with automatic offset calibration

Setting ranges:
Depending on type between -100 Pa and 1 bar
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:
0 10 V
4 20 mA
Electrical connection:
Plug-in terminals for wires and strands up to 1.5 mm2 or
circular connectors M12 / 4-pole
Protection class:
IP65 acc. to EN 60529