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8.4 Low temp. test低温测试

After being placed in

a chamber at –40℃ for 120 hours , sensitivity to be within ±3㏈ from initial

sensitivity.

        在–40

℃环境中持续120小时，灵敏度偏离范围在±3㏈ .

8.5  HUMIDITY TEST

湿度测试

    After exposure at 60℃ and 90 to 95% relative humidity

for 120 hours, sensitivity to be

    within ± 3㏈ from initial sensitivity.

      在60℃温度和90-95%相对湿度的环境下持续120小时，灵敏度偏离范围在± 3㏈.

8.6  TEMPERATURE CYCLE TEST 温度交变测试

     After exposure at –40℃

for 30 minutes, at 20℃ for 10 minutes, at 80℃ for 30 minutes,

     at 20℃ for 10 minutes. 5 cycles,

sensitivity to be within ±3㏈ from initial sensitivity

     在-40 ℃下持续30分钟,在20℃下持续10分钟，在 80℃时持续30分钟，在 20℃时持续10分  

     钟 ,以上过程循环5次，灵敏度偏离范围在± 3㏈.

     ( The measurement to be done after 2 hours of

conditioning at room temperature )

     测试在室内温度下放2小时后进行)