Adjustment commands, Crh relative humidity adjustment, Ct temperature adjustment – Vaisala HMT360 User Manual

Page 55

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Chapter 4 ________________________________________________________________ Operation

VAISALA_______________________________________________________________________ 53

Adjustment Commands

Turn the internal DIP switch Calibration Enabled/Disabled to position
ON before the adjustment and return it to position OFF after the
adjustment.

CRH Relative Humidity Adjustment

Syntax: CRH<cr>

The transmitter asks and measures relative humidity and calculates the
calibration coefficients.

Example:

>crh

RH : 1.82 1. ref ? 0

Press any key when ready ...

RH : 74.222 2. ref ? 75

OK

>

The OK indicates that the adjustment was succesful.

CT Temperature Adjustment

Syntax: CT<cr>

The transmitter asks and measures temperature readings and calculates the
calibration coefficients.

Example:

>ct

T : 0.811 1. ref ? 0.5

Press any key when ready ...

T : 99.122 2. ref ? 99.5

OK

>

The OK indicates that the adjustment was succesful. When performing
one-point adjustment press only Enter for the second reference.

NOTE

Read also the calibrator, for example HMK15, manual and refer to page
19 of that manual for more detailed instructions on salt bath calibration
and adjustment.

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