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Vaisala HMP260 User Manual

Page 74

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HMP260 SERIES

HMP260-U017en-1.5

Appendix 1: Serial commands

LI

Entering linear correction coefficients

Disconnect the security lock jumper!

LI

The LI command is one way of calibrating the transmitters.

LI

RH

offset

: 0.000 ? -.6

RH

gain

: 1.000 ?

T

offset

: 0.000 ?

T

gain

: 1.000 ? .4

The factory settings are offset 0 and gain 1. The transmitter can be returned to its
factory calibration by giving these values.

NOTE

The temperature unit in offset correction is always degrees
Centigrade, even if the transmitter is using non-metric units
(Fahrenheit) in its measurement output.