Calibration and adjustment, Calibration and adjustment commands, Li revert factory calibration – Vaisala HMT310 User Manual
Page 67: And temperature adjustment procedures, Chapter 7
Chapter 7 ___________________________________________________Calibration and Adjustment
VAISALA _______________________________________________________________________ 67
CHAPTER 7
CALIBRATION AND ADJUSTMENT
This chapter describes the relative humidity and temperature adjustment
procedures.
After adjustment, the original calibration certificate shipped with the
product is not valid anymore.
Calibration and Adjustment Commands
LI Revert Factory Calibration
Syntax: LI
This command reverts only the CRH calibration (see calibration
instructions, starting on page 69).
1.
Remove the transmitter unit from the mounting plate (see
Mounting the Transmitter/Removing the Transmitter Unit on page
21) and press the adjustment button once (see Figure 17 on page
70).
2.
Issue command LI and enter value 0 for an offset value and value 1
for a gain value.
3.
Reset the transmitter by issuing the RESET command. Transmitter
returns to normal mode.
Example:
>li
RH offset : -0.6000000 ? 0
RH gain : 1.00000000 ? 1
T offset : 0.00000000 ? 0
T gain : 0.40000000 ? 1
>