描述
检查GPS标准时钟装置各通信接口连接正确,通信电缆完好无损后,开启电源,装置进行初始化和自检,此时应无出错信息;初始化和自检结束后,GPS卫星锁定指示应正常。若GPS失步,则装置内部守时时钟应正常工作。
Gould Nitrogen Test Fixture System with Vacuum Pump
Welch DuoSeal 1/3 Pump Vacuum Pump
Alcatel 2004A Vacuum Pump New
Rigaku Denki Vacuum Pump Model 9017A1
STEC SEC-4550 MFC, N2, 30 SLM, used
STEC SEC-4550 MFC, N2, 30 SLM, used
STEC SEC-4550 MFC, N2, 40 SLM, used
STEC SEC-7355 MFC, Ar, 50 SLM, used
STEC SEC-4550 MFC, O2, 50 SLM, used