15
Operating manual EE23 humidity / temperature sensor
Press
BUTTON S2
for min. 3 seconds to exit adjustment procedure without storing the adjusted
value.
In both cases the LED „D1“ and the symbol „CAL<“ on the LC display are deactivated.
Second point adjustment
6.
Allow for the probe to stabilize at the desired RH_high / T_high for min. 30 minutes.
7.
Press
BUTTON S1
for min. 3 seconds to start the adjustment procedure for the second point. The
LED „D1“ illuminates and „CAL>“ appears on the LC display.
8.
Press
BUTTON S1 (up)
and
S2 (down)
to adjust the measured value in steps of 0.1% / 0.1 degC up
or down to match the reference value. The change is indicated on the display (if available) or can be
measured at the analogue output.
9.
Press
BUTTON S1
for min. 3 seconds to store adjusted value and end the first point adjustment.
or
Press
BUTTON S2
for min. 3 seconds to exit adjustment procedure without storing the adjusted
value.
In both cases the L
ED „D1“ and the symbol „CAL>“ on the LC display are deactivated.
5.2.2 1-Point RH Adjustment Procedure / T Adjustment Procedure
1.
For a RH humidity adjustment set the jumper to CAL RH /
for a temperature adjustment set the
jumper to CAL T
.
2.
Allow for the probe to stabilize at the desired RH / T for min. 30 minutes.
3.
For adjustment point > 50% RH / in the upper half of the T output scale): press
BUTTON S1
for min.
3 seconds to start the procedure. The LED „D1“ illuminates and „CAL<“ appears on the LC display.
or
For adjustment point < 50% RH / in the lower half of the T output scale): press
BUTTON S2
for min.
3 seconds to start the procedure. The LED „D1“ illuminates and „CAL>“ appears on the LC display.
4.
Press
BUTTON S1
(up) and S2 (down) to adjust the measured value in steps of 0.1% /
0.1 °C
up or
down to match the reference value. The change is indicated on the display (if available) or can be
measured at the analogue output.
5.
Press
BUTTON S1
for min. 3 seconds to store adjusted value and end the first point adjustment.
or
Press
BUTTON S2
for min. 3 seconds to exit adjustment procedure without storing the adjusted
value.
In both cases the LED „D1“ and the symbol „CAL“ on the LC display are deactivated.
5.2.3 Return to Factory Calibration
To return to RH or T factory calibration set first the jumper to RH or to T respectively.
During normal measuring mode (i.e. not during the adjustment procedure. LED D1 shall be off, the
display shall not show “CAL”) pressing BUTTON S1 and S2 together for min 5 seconds. The return to
factory calibration is confirmed by a short flash of the LED „D1“.
