Honeywell Touchpoint Plus Technical Handbook page 111

5) Select Zero Calibration, check or uncheck First Calibration, touch [Start] and apply clean air to the sensor:
6) View the reading until it is stable, and then touch [Apply].
7) Confirm that the gas reading is stable, and touch [Next].
8) Enter the concentration of the span gas and touch [Start]:
9) When ready touch [Start] and apply gas to the sensor.
10) View the reading until it is stable, and then touch [Apply]. This may take 3 – 5 minutes, depending on the gas type.
11) Confirm that the gas reading is correct.
12) Remove the span gas from the sensor, and confirm that the gas reading has returned to zero.
MAN0984_Iss 3_02/16
Pt. No. 3011M5001_3
Maintenance
103
Touchpoint Plus
Technical Handbook