9
33% calibration
Plug the sensor probe into 33% salt
bottle. Hold down and under
normal mode to enter 33% calibration
(Fig.15). “CAL” and calibrating value
(32.7% if at
LCD with current temperature at the left.
Meter is now calibrating, and will finish
in about 60 minutes when “CAL” and
humidity stop blinking. (Fig.16)
o
25 C,77
o
F) are blinking on the
The meter defaults to have the humidity
calibrated with 33% and 75% salt solution.
The ambient condition is recommended
o
to be at 25 C (77
o
F) and stable humidity (better
to be close to the calibrating value). To
abort calibration, just turn off the meter.
RH CALIBRATION
CAL
Esc
DP/WBT
%
O
Fig. 15
%
O
Fig. 16
%
O
Fig.17
75% calibration
After 33% calibration, plug the sensor
probe into 75% salt bottle, then press
to enter 75% calibration (Fig.17).
N
X
M /AV
CAUTION:
Do not calibrate the humidity without
the default calibration salt. Otherwise,
it will cause permanent damage.
