WIKA GA11 Mode D'emploi page 37

12. Specifications
Base instrument
Voltage supply
Battery power
Mains operated
Permissible temperature ranges
Operation
Storage
Permissible air humidity
(operation and storage)
Flow rate measuring gas
Dimensions
Weight
Humidity sensor
Measurement principle
Measuring range/accuracy
Resolution
Units
Calibration interval
SF₆ percentage sensor
Measurement principle
Measuring range/accuracy
Resolution
Optional sensor technology
SO₂ sensor
Measurement principle
Measuring range/accuracy
Resolution
WIKA operating instructions analytic instrument, model GA11
Lithium-ion rechargeable battery, battery is charged during mains supply mode
AC 90 ... 264 V (50 ... 60 Hz)
0 ... 40 °C [32 ... 104 °F]
-20 ... +60 °C [-4 ... +140 °F]
15 ... 90 % r. h. (non-condensing)
20 litres/hour
W x H x D: 538 x 406 x 297 mm
approx. 25 kg
Polymer-based capacitive humidity sensor
-40 ... +20 °C [-40 ... +68 °F] dew point ±2 °C dew point
■
-60 ... < -40 °C [-76 ... -40 °F] dew point ±4 °C dew point
■
1 °C
°Ctd/°Ftd/ppmw/ppmv/°Ctdpr/°Ftdpr
(Dew point at gas compartment pressure, relative to ambient pressure and
temperature-compensated at 20 °C [68 °F])
2 years
Sound velocity
0 ... 100 % ±0.5 % based on SF₆/N₂ mixtures (calibration for SF₆/CF₄
mixtures on request)
0.1 %
Electrochemical SO₂ sensor
In combination with HF sensor, only 0 ... 10 or 0 ... 20 ppm
0 ... 10 ppm ±0.5 ppm
■
v
0 ... 20 ppm ±1 ppm
■
v
0 ... 100 ppm ±3 ppm
■
v
0 ... 500 ppm ±5 ppm
■
v
0.1 ppm
v
v
v
v
v
EN
make sense.
v
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