Pro H2O Alarm Moisture Analyzer
NUVAIR
Page
14
www.nuvair.com
The Pro H
2
O sensor is a Capacitive sensor element with good dynamic performance
long term stability and highly resistant to dew formation. The sensor should never need
to be replaced during the life of the instrument. If damage occurs send the analyzer back
to Nuvair for inspection and Nuvair will determine if the unit can be repaired or needs to
be replaced.
10.0 Spares and Accessories
10.1.
Calibration Equipment
Calibration requires certified calibration gas to be free of
any moisture and delivered at a specific flow rate and
pressure.
Nuvair offers a calibration gas canister with a compatible
flow restrictor and regulator assembly to regulate the gas
for proper calibration.
11.0 Troubleshooting
12.0 Relay Output Schematics
SYMPTOM
REASON
SOLUTION
Battery symbol
Low Battery
Change the battery
No display
Switched off
Bad connection
Low Battery
Switch on
Check display/ battery connection
Change the battery
Reading erratic
Pressure on sensor
Radio transmission
Sensor old or faulty
Condensation on sensor.
Check flow
Move unit away
Change sensor
Dry in air
Display segments missing
Display faulty
Return to dealer
Reading drifts
Rapid temperature change
Stabilize temperature & recalibrate
Flow Restrictor/
Regulator
Assembly
Nuvair
Calibration Gas
