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9. Specifications
Sensor (SF₆ gas version, 0 ... 2,000 ppm
≤ 100 ppmv
≥ 100 ... ≤ 2,000 ppmv
EN
Resolution
Measuring units
Response time T90
Alarm signal
1)
No cross-sensitivity to typical volatile organic compounds (VOC).
No influence of air humidity between 0 ... 95 % relative humidity (non-condensing).
2)
max. drift of 0.05 % per month
9.3 Sensor specifications (SF₆ gas version, 0 ... 50 ppm
Sensor (SF₆ gas version, 0 ... 50 ppm
Application area
Medium
Measuring range
Detection limit
Detectable leakage rate
(calculated)
Accuracy
≤ 10 ppm
v
> 10 ppm
v
Resolution
Measuring units
Response time T90
Alarm signal
1)
No cross-sensitivity to typical volatile organic compounds (VOC).
No influence of air humidity between 0 ... 95 % relative humidity (non-condensing).
24
±3 ppm
v
±2 % of end value
1 ppm
v
ppm
■
v
g/y, cc/s
■
< 1 second
Visual and audible
Integral leak test
SF
gas
6
0 ... 50 ppm
0.6 ppm
1)
v
0.34 g/year (corresponds to 1.81 x 10
±0.5 ppm
v
±2 %
0.1 ppm
v
ppm
, g/y, cc/s
v
< 12 seconds
Visual
WIKA operating instructions gas presence detector, model GIR-10
)
v
)
v
v
)
v
mbar x L/s)
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