Vaisala HMT120 User Manual download pdf (Page 60)

User's Guide _______________________________________________________________________

58 ___________________________________________________________________ M211244EN-B

Temperature Field Check and Adjustment by Using a

Calibrated Reference Probe

Follow steps 1 to 7 on page 54 and continue as follows:

8. Check that the probes are located in equal conditions and wait

until the readings are stabilized (can take 30 minutes or more). If

you are close to the probes, do not breathe in their direction.

9. Press ADJUST to continue adjusting.

10. Press To same as T

II/I

, press SELECT. (MI70 always recognizes the

port to which the HMP70 series probe is connected).

11. Confirm by pressing YES.

NOTE

If the temperature difference between the reference probe and HMT120

is too large, the adjustment cannot be

done (HM70 will notify you of

this). The available reserve for T adjustment of HMT120 depends on

the initial temperature calibration of the unit.

12. Adjustment is done. Press BACK and EXIT to return to the basic

display.

13. Switch off the MI70 and detach the calibration cable from MI70

and from the transmitter.

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Vaisala HMT120 User Manual Page 60