XMD-16 temperature round measuring instrument produced by SHANGHAI AUTOMATION INSTRUMENTATION CO., LTD.
SZJ-5A standard rotation speed generator device produced by SHANGHAI AUTOMATION INSTRUMENT TACHOMETER AND INSTRUMENT MOTOR CO., LTD.
SZJ-5 standard rotation speed generator device produced by SHANGHAI AUTOMATION INSTRUMENT TACHOMETER AND INSTRUMENT MOTOR CO., LTD.
SZJ-4 standard rotation speed generator device produced by SHANGHAI AUTOMATION INSTRUMENT TACHOMETER AND INSTRUMENT MOTOR CO., LTD.
SZG-441C non-contact handheld digital tachometer produced by SHANGHAI AUTOMATION INSTRUMENT TACHOMETER AND INSTRUMENT MOTOR CO., LTD.
