HuaZheng Electric HZJB-1700 Handheld Three phase
The secondary defect elimination tester HZJB-1700 is controlled by single chip microcomputer, which is simple in function and convenient to carry. It can be
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HuaZheng Electric HZJB-1700 Handheld Three phase Relay Protection Tester
The secondary defect elimination tester HZJB-1700 is controlled by single chip microcomputer, which is simple in function and convenient to carry. It can be used to test the action value and time of AC relay.