Zero Calibration - Option 2 Configuration - Honeywell VA201T Calibration Handbook

Calibration Handbook
Zero Calibration - Option 2 Configuration
1. Connect demand flow regulator to Zero Air grade gas cylinder
2. Be sure the SQN8x is in "Zero Calibration" mode for the desired channel
The sample pump will draw the required zero gas from the cylinder.
CAUTION
NEVER force a sample into the SQN8x, damage to the unit may result
Regardless of gassing configuration, the SQN8x must be in "Calib Zero" mode to zero the unit.
NOTE:
0ERFORM A :ERO #ALIBRATION BEFORE ATTEMPTING A 3PAN #ALIBRATION %NSURE THE BACKGROUND IS FREE OF POTENTIAL
gases or apply zero grade air
1. Navigate to Programming > Calib Zero.
2. Select the sensor to be zeroed.
3. ENTER to begin sensor zero.
4. Display returns to CALIB ZERO when complete.
Zero Gas
PROGRAMMING
CALIB ZERO
CALIB ZERO
T1 O2
CALIB ZERO
Go Calib ?
CALIB ZERO
0%
128
Demand Flow
Regulator
SQN8x