Measurement of output voltages from a withstanding voltage tester ( normally for not more than 2 output ranges ) 测量一个耐压测试器的输出电压量(通常不会超过两个输出量程)
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Withstanding voltage testers the laboratory offers calibration for withstanding voltage testers with sinusoidal output voltages ( 50 hz ) not exceeding 11 kv ( r . m . s 本所为输出正弦电压50hz不超过11kv均方根值的交流耐压测试器提供校正服务。
