Hioki PD-3129-10 Phase Sequence Indicator

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Hioki PD-3129-10 Phase Sequence Indicator is a highly reliable and easy-to-use tool for detecting the phase sequence of three-phase power lines. This Phase Detector is designed with accuracy and safety in mind and one of the key features of the Hioki PD-3129-10 is its ability to detect the phase sequence of both AC and DC power sources.

Applications: industrial, commercial, and residential settings.

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Hioki PD-3129-10 Phase Sequence Indicator is designed to be easy to use and is suitable for both novice and experienced users. It features a compact and lightweight design that makes it easy to carry and store. This Phase Indicator is a non-contact phase rotation meter that detects the phase of electrical current flow within insulated wires without using metallic contact voltage clips.

Features of Phase Sequence Indicator:

  • Easy-to-understand detection of normal phase with lit arrow
  • Safe, no-metal-contact design
  • Magnetic back for maximum work efficiency

Additional information



Model No


Measuring Parameters

Phase detection

Voltage measurement

Static induction

Voltage Range

70 to 1000 V AC (50/60 Hz)


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

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

Supply Scope

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


70 mm (2.76 in)W × 75 mm (2.95 in)H × 30 mm (1.18 in)D


240 g

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Phase Sequence Indicator

Hioki PD-3129-10 Phase Sequence Indicator