4.1.1 JP

Hioki 3129 Phase Detector

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Product Description

Hioki 3129 Phase Detector

Non-Metallic Contact 70V to 1000V Phase Detector

Hioki’s non-contact voltage detection and measurement technology places efficiency and safety as priority considerations with the goal of protecting customers that need to conduct on-site electrical work as part of renovations and expansions of manufacturing plants and buildings. Model 3129-10 is a non-contact phase detector that detects the phase of electrical current flow within insulated wires without the use of metallic contact voltage clips.


• Magnetic base allows the instrument to be secured on a distribution panel
• Simply clip clamps onto wire insulation
• Rotating LED indicator shows the phase sequence for a 3-phase power supply at a glance
• Intermittent beeps signal positive phase; continuous tone signals reverse phase