Output Signal - WIKA GDM-100-T Betriebsanleitung

9. Specifications
Suitable for the following gases
SF
■
6
N
■
2
CF
■
4
O
■
2
CO
■
2
3M™ Novec™ 4710
■
He
■
Ar
■
Gas mixtures and components can be individually configured and combined ex-works.
The calculation is based on the physical principle of the partial pressure method. The
gas mixture cannot be changed subsequently.

Output signal

Output signal
Voltage supply
Power consumption
Model GD-20-A
Model GD-20-D
Maximum permissible load
R (model GD-20-A)
A
Time response
Settling time
1)
Switch-on time
2)
1) e.g. with any sudden pressure spikes
2) Time after switching on until the first measured value is output.
Output parameters
Output parameters, digital versions (model GD-20-D)
Absolute pressure at 20 °C [68 °F]: bar, MPa, kPa, psi, Pa, N/cm
■
Gauge pressure based on 1,013 mbar at 20 °C [68 °F]: bar, MPa, kPa, psi, Pa, N/cm
■
Density: g/litre, kg/m
■
Temperature: °C, °F, K
■
Absolute pressure: bar, MPa, kPa, psi, Pa, N/cm
■
Gauge pressure based on 1,013 mbar: bar, MPa, kPa, psi, Pa, N/cm
■
Output parameters, analogue version (model GD-20-A)
Absolute pressure at 20 °C [68 °F] or gas density in g/l for SF₆ gas as 4 ... 20 mA-current
signal
WIKA operating instructions, model GDM-100-T
DC 10 ... 30 V
≤ 0.75 W
≤ 0.45 W
R ≤ (U - 9.5 V) / 0.023 A with R
A B
< 10 ms
≤ 500 ms
3
in ohm and U
A
2
2
2
EN
in V
B
2
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