This Martindale proving unit PD690s and voltage indicator VL-15000 is a reliable tool for testing and measuring electrical systems. The unit is designed for industrial use and comes with a sturdy case for safe storage and transport. The PD690s unit type is perfect for testing power distribution systems, while the VL-15000 voltage indicator is used to measure voltage levels. Together, these tools provide accurate and reliable results for professionals in the business, office, and industrial sectors. (657)
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