WIKA GA11 Mode D'emploi page 36

11. Specifications
11. Specifications
Specifications, version for N₂ gas
Base instrument
EN
Connections
Inlet/return pumps
Outlet for gas cylinder
Outlet for gas recovery bag
Permissible pressure ranges
Inlet/return pumps
Outlet for gas cylinder
Outlet for gas recovery bag
TFT touchscreen
Voltage supply
Battery power
Mains operated
Permissible temperature ranges
Operation
Storage
Flow rate measuring gas
Dimensions
Weight
Humidity sensor
Measurement principle
Measuring range/accuracy
Resolution
Units
Calibration interval
N₂ percentage sensor (helium in N₂)
Measurement principle
Measuring range/accuracy
1) For special calibrations, the measuring tolerances may deviate from the standard specification.
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Quick coupling with self-sealing valve
Self-sealing valve DN 8
Quick coupling, self-sealing valve
1.3 ... 12 bar abs. /1.3 ... 10 bar abs.
1.3 ... 10 bar abs.
< 1.015 bar abs.
7" (resolution 800 x 480)
Lithium-ion rechargeable battery, battery is charged during mains supply
mode
AC 90 ... 264 V (50 ... 60 Hz)
0 ... 40 °C
-20 ... +60 °C
40 litres/hour
W x H x D: 538 x 406 x 297 mm
approx. 25 kg
Polymer-based capacitive humidity sensor
-25 ... 0 °C dew point ±2 °C dew point
■
-35 ... -25 °C dew point ±3 °C dew point
■
-55 ... -35 °C 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)
2 years
Sound velocity
0 ... 5 % vol. ±0.5 % vol.
Any measuring range on request, based on helium in N₂ mixtures
WIKA operating instructions analytic instrument, model GA11
1)