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    ...Relay System Tester Introduction HYJB-PC is applied to test the relay unit in relay protection system. At the same time HYJB-PC could be considered as a universal three phase AC/DC voltage source or current source. 2. Features 1) AC current and voltage based protection relay unit test 2) DC current and voltage based protection relay unit test 3) Frequency protection relay unit test 4) Harmonic protection relay more
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    Place of Origin:China
    Certification:ISO9001,CE

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    Brand Name:Huaying
    Place of Origin:Wuhan,Hubei,China
    Price:email whhy818@163.com

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    ...Tester/Butt Set/Lineman Test Sets Product Description ST230D Tel Line Tester is a new kind of line fault tester with safety &multi-functions capabilities. Besides the basic functions as a common Tel Line Tester, it also has functions of high voltage protection and polarity indication, and so on. Main Functions 1.Common telephone function: Dial, Ring, Talk 2.Mute 3.T/P switch 4.High voltage protection more
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    Brand Name:SKYLINE
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    AQ 6103 ISO 6940 ISO6941 ISO15025 Fire Testing Equipment Vertical Flame Tester

    SKYLINE INSTRUMENTS CO.,LTD
    [Guangdong,China]
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    Brand Name:kingpo
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