Specifications; Accuracy Specifications - WIKA GD-20 Manual De Instrucciones

9. Specifications

9. Specifications
Digital sensor technology, model GD-20-D
Compensated pressure
range in bar abs. at 20 °C
[68 °F] (g/l SF₆)
0 ... 2 (12.28)
0 ... 3 (18.65)
0 ... 8 (53.4)
0 ... 10 (68.96)
0 ... 12 (85.79)
0 ... 16 (124.64)

Accuracy specifications

Accuracy
1)
Compensated pressure range in
bar abs. at 20 °C [68 °F] (g/l SF₆)
0 ... 2 (12.28)
0 ... 3 (18.65)
Compensated pressure range in
bar abs. at 20 °C [68 °F] (g/l SF₆)
0 ... 8 (53.4)
0 ... 10 (68.96)
0 ... 12 (85.79)
0 ... 16 (124.64)
Pressure accuracy
Temperature accuracy
Reference conditions
1) Specifications apply to measurement of the compensated pressure over the entire temperature range from
-40 ... +80 °C [-40 ... +176 °F]; valid only for pure SF₆ gas and a gas mixture consisting of 6 % Novec 4710, 5 %
O₂ and 89 % CO₂.
WIKA operating instructions gas density sensor, model GD-20
Pressure in Temperature
bar abs.
0 ... 2.4 -40 ... +80 °C
[-40 ... +176 °F]
0 ... 3.7
0 ... 10.1
0 ... 12.9
0 ... 15.7
0 ... 21.3
For -40 ... -20 °C [-40 ... -4 °F]
For -20 ... +80 °C [-4 ... +176 °F]
For -40 ... +80 °C [-40 ... +176 °F]
±0.2 % at 20 °C [68 °F]
±1.5 K
Per IEC 61298-1
Output Output
parameters signal
Density Modbus
■
Pressure at RTU
■
20 °C [68 °F]
Pressure
■
Temperature
■
±2 % (standard)
■
±1.25 % (option)
■
±1.5 % (standard)
■
±0.75 % (option)
■
±1.25 % (standard)
■
±0.6 % (option)
■
EN
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