Pro He
TM
Alarm Helium Analyzer
NUVAIR
Page
10
www.nuvair.com
4.1. Sample Flow Method of Checking Calibration (Preferred)
Nuvair offers He test gas for confirming calibration. See kits in the addendum for
more information.
Testing Gas must contain a known amount of Helium for calibration test to succeed.
Step 1. Attach
Flexible Tubing
to Gas Sample
Flow of 0.5 to 1
L/min
Step 2. Verify
that Gas is
Flowing Out
Holes in Flow
Adapter Cap
Step 3. Allow Display
Reading to Stabilize
Step 4. Record
Reading while Gas is
Flowing
Flow Restrictor/
Regulator
Assembly
1000 PPM He
Calibration Gas
Canister
Nuvair
Calibration Gas
Specs:
CO 10 ppm
He 1000 ppm
Nitrogen Balance
