Typical Environmental Tests & Mechanical Tests For LCD Page 1 of 1 Typical Environmental Tests & Mechanical Tests For LCD Typical Environmental Tests* TEMPERATURE TESTS COMMERCIAL GRADE EXTENDED GRADE High temperature storage +70oC/3 days +85oC/4 day (IEC 68-2-2) Low temperature storage -25oC/3 days (IEC 68-2-1) -40oC/4 days Temperature, cyclic (IEC 68-2-14) -25oC/30 min +25oC/30 min +70oC/30 min +25oC/30 min 10 cycles -40oC/30 min +25oC/30 min +85oC/30 min +25oC/30 min 10 cycles Damp heat, cyclic (IEC 68-2-30) 25oC/95% RH/24h 40oC/93% RH/24h 6 cycles 25oC/95% RH/24h 40oC/93% RH/24h 21 cycles Damp heat, steady state (IEC 68-2-3) 40oC/93% RH every 4 days 40oC/93% RH every 21 days * 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) ¡@ 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 Bump (IEC 68-2-29) pulse duration peak acceleration number of shocks pulse duration peak acceleration number of shocks 25oC/86 to 106Pa 10 to 55 Hz 0.75 mm 20 cycles in each direction 11 ms 2 981 m/s = 100g 3 shocks in 3 mutually perpendicular axes 6 ms 392 m/s2 1000±10 [Back to previous page] http://www.varitronix.com/catalog/lcdtest.html 10/13/2003