Turning chemical purge ON - HM70

HM70 User Guide

Document code
English (United States)
Document type
User guide
This procedure applies only to humidity probes HMP75B, HMP76B, and HMP77B.
  1. Open the menu by pressing Open.
  2. Select Functions and press .
  3. Select Chemical Purge and press Start.
  4. Confirm the purge by pressing Yes. Chemical purge takes up to 6 minutes. During that time there are no readings on the display. A message appears every 15 seconds showing the time required to complete the chemical purge. The chemical purge icon is shown on the upper left corner.
  5. When the chemical purge is complete the basic display with readings returns.
  6. It may take a few minutes for the temperature reading to stabilize.
    You can create a shortcut to the chemical purge function by setting a shortcut key to point to it. See Programming shortcut keys.