Instruction manual

www.cs-instruments.com
19
Dew point
FA 400 from -80 to 20°C
td
FA 400 is the ideal dew point measuring instrument
with integrated display and alarm relay for
refrigeration, membrane and adsorption dryers
It replaces the worldwide proven instrument FA 200.
The threshold value can be easily adjusted via the keypad.
Technical data FA 400
Measuring range: -80...20°C
td
, -60...30°C
td
,
-20...50°C
td
resp. 0...100%RH
Accuracy: ± 1°C at 20...-20 °C
td
± 2°C at -20...-50°C
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± 3°C at -50...-80°C
td
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°C
td
4...20 mA = -60...30°C
td
4...20 mA = -20...50°C
td
Burden for
analogue output: < 500 Ohm
Alarm relay: NO, max. 60 VDC, 0.5 A
Screw-in thread: G1/2”
Dimensions: Ø 65 mm, length 160 mm
Output signals % RH, °C
td
, g/m
3
, mg/m
3
,
via software: ppm V/V
Special features
 -80...20°C
td
 Integrated display
 Threshold value adjustable via keypad
alarm relay (max. 60 VDC, 0.5 A)
 Pressure-tight up to 350 bar
(special version)
 Extreme long-term stability
 Quick response time
 4...20 mA analogue output
 2 versions: Refrigeration dryers
and adsorption dryers
Description Order no.
FA 400 dew point sensor for refrigeration dryers, -20...50°Ctd 0699 0401
FA 400 dew point sensor for adsorption dryers, -80...20°Ctd 0699 0402
FA 400 dew point sensor, replacement of FA 200, -60...30°Ctd 0699 0403
Connection cables:
Connection cable, length: 5m (power supply and analogue output) 0553 0104
Connection cable, length 10m (power supply and analogue output) 0553 0105
Alarm cable, length: 5m 0553 0106
Alarm cable, length: 10m 0553 0107
Options for FA 400:
Special version FA 400 up to 350 bar 0699 4003
Special scaling, output in ppm V/V, % RH, mg/m
3
0699 4004
Additional accessories:
Standard measuring chamber up to 16 bar 0699 3390
CS Service Software for FA/VA 400 sensors including PC connection set, 0554 2005
USB adapter and interface adapter to the sensor as well as
CSM-S for data recording, see page 21
Mains unit in wall housing 100-240 V, 10 VA, 50-60 Hz/24 VDC, 0.35 A 0554 0108
Power supply 100-240 VAC/24 VDC, 0.35 A for FA/VA 400 Series, 2 m cable 0554 0107
Calibration:
Precision calibration at -40°Ctd including ISO certificate 0699 3396
Precision calibration at 3°Ctd including ISO certificate 3200 0003
Control and calibration set 11.3 % RH 0554 0002
Control and calibration set 33 % RH 0554 0004
Control and calibration set 75.3 % RH 0554 0005
Alarm adjustable
via keypad