Dew Point Sensor FA 400 with Integrated Display and Alarm Relay

The FA 400, a dew point sensor with an integrated display and alarm relay, is the optimal device for measuring dew points in refrigeration, membrane, and adsorption dryers. The threshold value can be simply adjusted using the keypad.

Technical data FA 400

Measuring range: -80…20 °Ctd, -60…30 °Ctd,

-20…50 °Ctd, resp. 0…100% RH

Accuracy: ± 1°C at 20…-20°Ctd

± 2°C at -20…-50°Ctd

± 3°C at -50…-80°Ctd

Pressure range: 1…50 bar

special version up to 350 bar

Power supply:

 

24 VDC (16…30 VDC) smoothed
Protection class:

 

IP 65
EMV: according to DIN EN 61326
Operating temp: -20…50 °C
Connection:

 

2 x M12, 5-pole for analogue output and alarm

output

PC connection: SDI interface
Output:

 

4…20 mA = -80…20°Ctd

4…20 mA = -60…30°Ctd

4…20 mA = -20…50°Ctd

Burden for analogue output: <500 Ω
Alarm relay: NO, max.60 VDC, 0.5 A
Screw-in thread:

 

G 1/2“
Dimensions: Ø 65 mm, length 160 mm
Output signals

via software:

 

% RH, °Ctd, g/m³, mg/m³, ppm V/V
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