按键可靠性试验 Button Reliability Test

检测依据标准 Test Basis Standard：

GB/T 22778-2021《液晶数字式石英秒表》 “Liquid crystal digital quartz stopwatches”

检测要求 Test Requirments：

试验温度：18~25℃，相对湿度：不大于70%。

按钮使用寿命不得少于20000次。

Ambient Temperature: 18–25°C (maintained at ±1°C)

Relative Humidity: ≤70% RH (±5% tolerance)

The button shall withstand no fewer than 20,000 actuation cycles without functional degradation.

试验结果判断 Test Result Evaluation:

按钮工作应灵活可靠，手感或声感均应与按钮同步，不应发生误动作。

The button mechanism shall operate with reliable responsiveness, where both tactile feedback and audible engagement must synchronize precisely with the actuation stroke. False triggering or operational malfunctions are strictly prohibited under any operating condition.

按键可靠性试验 Button Reliability Test

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