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HIOKI Phase Detector

Item_number: HUPD3129-10 Categories: , , , Tag:

Hioki’s non-contact voltage detection and measurement technology place 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 PD3129-10 is a non-contact phase rotation meter that detects the phase of electrical current flow within insulated wires without using metallic contact voltage clips. The green arrow indicates normal phase, which can be useful for visual reports that document the proper completion of electrical work.

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Item_number: HUPD3129-10 Categories: , , , Tag:


Item in stock for fast shipping

HIOKI Phase Detector

  •  Simply clip clamps onto wire insulation
  • Green LED arrow clearly shows phase direction, perfect for visual reports
  • CAT III 1000V
  • 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
  • Magnetic base allows the instrument to be secured on a distribution panel




Additional information

Weight .53 lbs
Dimensions 2.76 × 1.18 × 2.95 in

Phase detection (positive and negative)

Voltage detection method

Static Induction

Voltage Range

70 to 1000 V AC (50/60 Hz) (sine wave, continuous input)

Frequency Range

45 Hz to 66 Hz

Object to be connected

7 mm (0.28 in) to 40 mm (1.57 in) of insulated wiring


Phase detection : Positive ; 4 LEDs lit in clockwise order and the buzzer sounds intermittently, green arrow lights up
Negative ; 4 LEDs lit in counterclockwise order and the buzzer sounds continuously

Battery check function

Power ON lamp: lights up (Power ON), blinks (Battery LOW)

Auto power off

Auto shut off if no activity is detected after power is turned ON for 15 minutes

Power supply

R6P (AA) manganese battery ×2, Continuous use: 70 hr


Carrying case ×1, Strap ×1, Spiral tube ×1, Instruction manual ×1, R6P (AA) manganese battery ×2




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