Periodic Scheduled Testing - Honeywell Touchpoint Plus User Manual

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.

6.3 Periodic Scheduled Testing

Periodic Scheduled Testing should only be carried out by a Honeywell authorised technician or a qualified person trained
in accordance with the TPPL Technical Handbook. Apart from the safety considerations, Honeywell's field service
technicians will be able to minimise downtime should a fault become apparent during testing.
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Touchpoint Plus
User Guide