8. Reliability Tests
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No. Test Item
1 Drop Test
Test Condition
Drop the test piece one time from the height of 1m
in each of X, Y and Z directions onto the lauan
material of 30 mm thickness.
2 Heat Shock
The samples are subjected to 10 cycles of 2 hours’
exposure of each of –25deg.C and +70deg.C
(Do not let it have dewdrops.)
3 Exposure to High The samples are exposed to a temp. of +70deg.C for
Temperature 1000 hrs.
4 Exposure to High The samples are exposed to a temp. of +40deg.C
Humidity
with 95%RH for 1000 hrs.
5 Exposure to Low The samples are exposed to a temp. of –25deg.C for
Temperature 1000 hrs.
6 Load Life
The samples are subjected to a consecutive electric
load in the normal temperature and humidity for
1000 hrs.
Criteria
The sample shall not
have any abnormality in
the appearance and the
humidity
detection
output shall be in the
electric characteristics
of item 7.
The variation of the
humidity detection
output shall be within
+/- 5% against the
initial value.
*1)The measurement of the humidity detection output is done after 15 minutes has passed with the
advantage way-type precision humidity producing device after the temperature humidity setting.
*2)The measurement of the reliability test parts is done after they are left for more than two hours
in the normal temperature and the normal humidity.
9. Notes for Use
(1)Do not get the product wet in the water, and do not let it have dewdrops.
Characteristics may change permanently.
(2)Do not make foreign materials such as a solvent, oil and fat stick
to the humidity sensor. It may stop fulfilling normal features.
(3)Do not use for medical apparatus (application involving risk of affecting life).
HOKURIKU ELECTRIC INDUSTRY CO.,LTD.