Pro CO Carbon Monoxide Analyzer
20
www.nuvair.com
9.0 Spares and Accessories
9.1. Sensors
Sensor replacement for Pro CO
Part Number:
9501-50
9.2. Calibration Equipment
Calibration requires certified CO calibration gas to be
delivered at a specific flow rate and pressure.
A variety of calibration gas canisters are available
from Nuvair, with compatible Flow Restrictor/
Regulator assemblies to regulate the gas.
10.0 Troubleshooting
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
Will not calibrate
Sensor Malfunction
Contact Nuvair for repair or replacement
1L/min Flow
Restrictor/
Regulator
Assembly
10 PPM CO
Calibration Gas
Canister