Vaisala PTB330TS Uživatelská příručka stáhnout pdf (Strana 53)

Chapter 4 ______________________________________________________________ Maintenance

VAISALA_______________________________________________________________________ 51

Calibrating and Adjusting Relative

Humidity

1. Check that the MI70 indicator is connected to the HMP155, and

turn it on. Set the correct time, date, and environmental settings

(pressure compensation) if prompted.

2. Start the chemical purge from the Functions menu, if available.

After the chemical purge is complete, allow sufficient time for the

probe to reach ambient temperature before continuing.

3. Uncover the adjustment buttons on the HMP155 probe by

removing the protective cover and removing the calibration seal.

Refer to Figure 22 on page 51.

0801-076

Figure 22 HMP155 Adjustment Buttons

where

1 = Protective cover

2 = Down button

3 = ADJ button

4 = Up button

5 = Protective plug

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 88 89

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Vaisala PTB330TS Uživatelská příručka Strana 53