检测依据标准 Test Basis Standards：
GB/T 22780-2017
型式检验检测项目 Type Testing Items：
使用可靠性、平均瞬时日差、工作温度、电压范围、平均温度系数、电压系数、电池更换周期、耐振动性能、防震性能、防水性能、耐湿性能、附件扩外力性能、耐光照性能、外观、闹时可靠性、背光显示可靠性、时段计时可靠性、背光电压、显示次数、计时精度、其他、电池更换周期。
Operational Reliability, Mean Instantaneous Daily Rate (ISO 3159), Operating Temperature Range, Operating Voltage Range,Mean Temperature Coefficient, Voltage Coefficient, Battery Replacement Cycle, Vibration Resistance (IEC 60068-2-6), Shock Resistance (ISO 1413), Water Resistance (ISO 22810), Humidity Resistance (IEC 60068-2-78), Attachment External Force Resistance, Light Exposure Resistance (ISO 105-B02), Appearance Compliance, Alarm Activation Reliability, Backlight Function Reliability, Interval Timer Reliability, Backlight Operating Voltage, Display Cycle Endurance, Interval Timer Accuracy, Other Test Items,Battery Replacement Cycle.
检验周期 Inspection Cycle：
型式检验周期一般为一年一次，发生下列情况之一时应进行型式检验：
a) 产品停产一个生产周期以上又恢复生产时；
b) 产品的设计、结构、工艺、材料有较大变动时；
c) 国家质量监督机构提出进行型式检验要求时。
Type testing shall generally be conducted once annually. Type testing must be performed under any of the following circumstances:
a) When production resumes after being halted for more than one full production cycle;
b) When significant modifications are made to the product's design, structure, manufacturing process, or materials;
c) When formally required by the national quality supervision authority.
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