Typical Environmental Tests & Mechanical Tests For LCD
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Typical Environmental Tests & Mechanical Tests For LCD
Typical Environmental Tests*
TEMPERATURE TESTS COMMERCIAL GRADE EXTENDED GRADE
High temperature storage
+70
o
C/3 days
+85
o
C/4 day
(IEC 68-2-2)
Low temperature storage
-25
o
C/3 days
(IEC 68-2-1)
Temperature, cyclic
(IEC 68-2-14)
-25
o
C/30 min
+25
o
C/30 min
+70
o
C/30 min
+25
o
C/30 min
10 cycles
25
o
C/95% RH/24h
40
o
C/93% RH/24h
6 cycles
40
o
C/93% RH
every 4 days
-40
o
C/4 days
-40
o
C/30 min
+25
o
C/30 min
+85
o
C/30 min
+25
o
C/30 min
10 cycles
25
o
C/95% RH/24h
40
o
C/93% RH/24h
21 cycles
40
o
C/93% RH
every 21 days
Damp heat, cyclic
(IEC 68-2-30)
Damp heat, steady state
(IEC 68-2-3)
*
Expected lifetime under normal operating conditions
-- 50,000 hours (commercial) /100,000 hours (extended temperature).
These are minimum test. For other specifications, please consult VARITRONIX.
Mechanical Tests
Low air pressure
(IEC 68-2-13)
¡@
25
o
C/86 to 106Pa
10 to 55 Hz
0.75 mm
20 cycles in each
direction
Vibration
(IEC 68-2-6)
frequency
cells must be mounted
ampitude
on a suitable connector
duration
Shock
(IEC 68-2-27)
Half-sine pulse shape
pulse duration
peak acceleration
number of shocks
pulse duration
peak acceleration
number of shocks
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11 ms
981 m/s = 100g
3 shocks in 3 mutually
perpendicular axes
6 ms
392 m/s2
1000±10
2
Bump
(IEC 68-2-29)
http://www.varitronix.com/catalog/lcdtest.html
10/13/2003
VARITRONIX [ VARITRONIX INTERNATIONAL LIMITED ]
