Stabilization Time Too Long; Electronic Defect - Electronic Replacement - E+E Elektronik HUMOR 20 Hardware Manual

The chart shows the stabilisation time of the HUMOR 20
at a humidity step from 25 to 80% RH and 80 to 25% RH.
The stabilisation time at low humidity is approx.
1 min., at high humidity approx. 3 min.
The total stabilisation time is defined by the specimen.
We recommend to allow a total stabilisation time of min.
20 min/measuring point.
picture 1
picture 2
picture 3
english
9.8

Stabilization time too long

CAUSE
Valve defect.
Several
100
90
80
70
60
50
40
30
20
0,0
Test the flow.
1. Empty the water completely and
then fill the humidity calibrator again
with exactly 1000 ml distilled water.
2. Set a humidity - desired value of
exactly 20% RH.
3. Turn the humidity - controller
completely to the left and measure the
time until display reaches 80% RH.
- If the measured time < 80 sec.
then the flow is completely fine
and within the range of operation.
- If the process takes considerably
longer, please contact your sales
partner E+E Elektronik.
9.9 Electronic defect
Electronic - replacement:
1. Disconnect the humidity calibrator
from power supply.
2. Open screws (see picture 1).
3. Open recessed head screw on 19"
rack (see picture 2).
4. Pull out the electronic (see picture 3).
5. Push in replacement electronic and
close the housing.
6. Calibration HUMOR 20.
Factory calibration disapears by an
electronic replacement!
If you have any questions please
contact
E+E Elektronik.
30
25%...80%
80%...25%
1,0 2,0 3,0 4,0
Time [min]
SOLUTION
your sales partner
5,0