One-point temperature adjustment – Vaisala HMT360N User Manual
Page 69
Chapter 6 __________________________________________________ Calibration and Adjustment
VAISALA _______________________________________________________________________ 67
One-Point Temperature Adjustment
1.
Set the internal DIP switch Calibration Enabled/Disabled to
position ON and select T calibration by using switches 3 and 4 (see
section
DIP Switch Functions on page 47
2.
The temperature value measured by the transmitter appears on the
display as well as the text "Set Lo" on the lower left corner. If the
transmitter has no display, the LED indicator starts to blink.
3.
Let the sensor stabilize; use a multimeter or the transmitter display
to monitor the stabilization.
4.
Press buttons Up and Dn to adjust the display or multimeter
reading to correspond to the reference value (when using a
multimeter calculate the current value corresponding to the
reference humidity by using the equations presented in
Correspondence of Current Values and Output Quantities on page
66
5.
Conclude the one-point adjustment by pressing button E twice.
NOTE
Always use a high quality standard for adjusting the temperature.
NOTE
If you use serial commands, please refer to section
.