WIKA GA11 Mode D'emploi page 37

12. Specifications
Specifications
g³ percentage sensor
Measuring principle
Measuring range
Accuracy
Humidity sensor
Measuring principle
Measuring range
Accuracy
Resolution
Units
Calibration interval
SO₂ sensor (option)
Measuring principle
Measuring range
Accuracy
Resolution
Permissible humidity
Max. zero offset
Long-term stability
Service life
WIKA operating instructions analytic instrument, model GA11
SF₆-Q-Analyser
N/A
Polymer-based capacitive humidity sensor
-60 ... +20 °C dew point
±2 °C dew point at -40 ...+20 °C dew point
±4 °C dew point at < -40 °C dew point
1 °C
°Ctd / °Ftd / ppmw / ppmv / °Ctdpr / °Ftdpr
(dew point at gas compartment pressure, relative to the ambient pressure
and temperature-compensated at 20 °C)
2 years
Electrochemical
In combination with HF sensor, only 0 ...
10 or 0 ... 20 ppm make sense.
v
0 ... 10 ppm
■
v
0 ... 20 ppm
■
v
0 ... 100 ppm
■
v
0 ... 500 ppm
■
v
±0.5 ppm (measuring range 0 ... 10
v
ppm )
v
±1 ppm (measuring range 0 ... 20 ppm
v
±3 ppm (measuring range 0 ... 100
v
ppm )
v
±5 ppm (measuring range 0 ... 500
v
ppm )
v
0.1 ppm
v
15 ... 90 % r. h. (non-condensing)
0.1 ppm
v
< 2 % signal degradation/month (linear)
< 5 % signal degradation/year at
0 ... 500 ppm
v
2 years starting from installation
g³-Q-Analyser
Sound velocity
0 ... 10 % (share in Novec 4710)
±0,3 % based on Novec 4710 / CO₂
mixtures
1 year
N/A
)
v
EN
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