Vaisala Humicap HMW60U Guide de l'utilisateur télécharger pdf (Page 39)

Chapter 8 ___________________________________________________________ Other Functions

VAISALA _______________________________________________________________________ 37

Turning Sensor Preheat ON/OFF

The following applies only with humidity probes HMP75B, HMP76B

and HMP77B:

1. Open the MENU: press OPEN.

2. Select Functions, press .

3. Select Sensor Preheat, press START. Confirm the starting by

pressing YES.

4. Insert the probe to the process.

5. When sensor preheat is done, a display message tells that

operation is completed and the basic display with readings

returns.

Sensor preheat is taking about 4 minutes at maximum. During

that time there are no readings on a display. A message display

appears once in 15 seconds and it tells you the time required to

complete the sensor preheat. Sensor preheat symbol is

shown on upper left corner. Stabilization of the temperature can

take a few minutes.

You can make a shortcut to the sensor preheat function by

setting one shortcut key to refer sensor preheat function, see

page 25.

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Vaisala Humicap HMW60U Guide de l'utilisateur Page 39