HIOKI PHASE DETECTOR PD3129-10, Phase Rotation Meter with Easy-to-Read Arrow and Non-Metallic Contact Clips for 70 V to 1000 V Lines
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Product Description
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.
- 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



| Functions | 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 |
| Display | 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 |
| Dimensions and mass | 70 mm (2.76 in)W × 75 mm (2.95 in)H × 30 mm (1.18 in)D, 240 g (8.5 oz), Cord length : 0.7 m (2.30 ft) |
- Included accessories: Carrying case ×1, Strap ×1, Spiral tube ×1, Instruction manual ×1, R6P (AA) manganese battery ×2
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