Hioki 3129 Non-Metal Contact Phase Detector

Model: 3129

Your Price $229.95 USD
Availability 2 in Stock

Calibration Lab

Hioki 3129 Non-Metal Contact Phase Detector

Capable of performing phase detection on insulated conductors, the Hioki 3129 Non-Metal Contact Phase Detector can be used practically anywhere.

Non-metallic contact for optimal safety The phase detector performs voltage phase detection just by clipping over insulated conductors.


  • Top "primary supply level" safety class rating for phase detectors
  • Detects phase on insulated conductors
  • Works easily with commonly measured conductor outside diameters
  • Provides both visual and audible phase detection
  • Simple voltage detection and live wire check functions
  • Auto power-off function prevents inadvertent battery discharge
  • Internal safety feature indicates battery state by a blinking LED power lamp


  • Voltage Range AC70 to 600V, 50/60 Hz (sine wave, continuous input)
  • Clamp Diameter 17mm max of insulated wiring
  • Power supply Two “AA” size batteries; rated voltage: DC30V
  • Maximum rated power: 300mVA
  • Continuous Use: Approx 70 hours (standby)
  • Operating Temperature 0 to 40°C (32 to 104°F), max 80% RH (no condensation)
  • Storage Temperature 0 to 60°C (-4 to 140°F), max 80% RH (no condensation)
  • Accessories Carrying case, strap, R6P manganese battery (2), spiral tube, user manual

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