供应88防水轻触开关/8X8防水按键

1.General specification 基本说明

1.1 Scope范围This specification covers the requirements for single key switches which have no keytop

(TACT SWITCHES:MECHANICAL CONTACT).此规范含盖单推柄和无推柄的轻触开关要求

1.2  Operating Temperature Range 使用温度范围

          -20 to70℃(normal humidity, normal press.) 正常湿度，标准压力

1.3  Storage Temperature Range 保存温度范围

-30 to80℃(normal humidity, normal press.)

1.4  Test Conditions 测试条件

               Tests and measurements shall be made in the following standard clnditions unless otherwise specified: 测试和计量按下列标准条件除非特殊说明

                Normal temperature (temperature 5 to35℃)   标准温度

                Normal humidity (relative humidity 45 to85%) 正常湿气

                Normal pressure (pressure 860 to1060 mbars)  标准压力

               In case any question arises from the judgement made, tests shall be conducted in the following conditions:

                 Temperature          (20±2℃)          温度

                 Relative humidity      (65±5%)          相对湿度

                 Pressure              (860 to1060 mbars)  压力