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Calibration

To calibrate your sensor effectively when both H2S and CIO2 are being sampled, perform the following steps.

  1. Using a single gas calibration cap (ACC-S-CAL), calibrate the ClO2
  2. Using a quad-gas calibration cap (ACC-Q-CAL), calibrate the H2S sensor.
  3. After calibration is complete, apply a burst of ClO2 gas directly to the ClO2 sensor for 5 to 10 seconds.

    The burst of ClO2 after the H2S will help purge the remaining H2S from the ClO2 sensor and allow the device to detect gas normally.