Vaisala DM500 User Manual
Page 85

Chapter 15 _________________________________________________Calibrationd and Adjustment
VAISALA _______________________________________________________________________ 83
6.
Turn the service switch 4 to ON-position (adjustment enabled),
see page 18, Figure 4, DMP501 back panel, service switches.
7.
Open
MENU
: press .
8.
Select ►
Settings
, press .
9.
Select ►
Adjustments
, press .
10.
Select ►
Dewpoint adjustments
, press .
11.
Press SET. Give the reference value (
Ref.
) by using the
numeric buttons. Then, give the measured value (
Meas.
). Press
OK
.
12.
Select with the arrow button the next reference point and press
SET
.
13.
Continue giving the references.
14.
Make the adjustment by pressing
Adjust
.
15.
The adjustment result is shown.
16.
Press
EXIT
.
17.
Turn the service switch 4 to OFF-position (adjustment disabled).
The system calculates a 3rd degree correction polynomial fitted to the
adjustment data.