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HIOKI Phase Sequence Testers – Safe Testing in Three-Phase Systems

HIOKI PD3259-50 non-contact phase detector contactless voltage2 1

How do non-contact phase sequence testers improve safety?

Phase sequence testers – also referred to as phase rotation testers, phase indicators, or phase rotation meters – are essential tools for electricians, service technicians, and commissioning engineers. They verify the correct phase order, detect wiring errors, and help prevent equipment damage in three-phase networks.

All HIOKI phase sequence testers use non-contact voltage clamps. This measurement method allows measurements to be performed directly on insulated conductors without exposing live parts. Phase checks therefore become faster, safer, and possible even in situations where direct electrical contact would normally require higher qualifications or additional protective measures.

4 Products
HIOKI PD3259-90 non-contact phase detector true voltage z3210 included HIOKI PD3259-90 non-contact phase detector true voltage cat iv 600v
PD3259-90
HIKI PD3259-90 - Safe Non-Contact Phase Rotation Tester with True Voltage Measurement
Non-contact phase sequence tester with integrated voltmeter to check phase order, true lineto-line voltage, frequency, and missing-phase in three-phase systems, CAT IV 600 V, IP54, Bluetooth connectivity (Z3210 included)

€1,258.00
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HIOKI PD3259-50 non-contact phase detector phase identification HIOKI PD3259-50 non-contact phase detector live wire detection
PD3259-50
HIOKI PD3259-50 - Non-Contact Digital Phase Rotation Tester with Integrated Voltmeter
Digital phase sequence tester with voltmeter and non-contact clamps for safe checks of phase sequence, line-to-line voltage, frequency, and missing-phase detection; CAT IV 600 V, IP54, optional Bluetooth (Z3210 required).

€1,198.00
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PD3129-10 - Non-Contact Phase Rotation Tester for Three-Phase Systems PD3129-10 - Non-Contact Phase Rotation Tester for Three-Phase Systems
PD3129-10
PD3129-10 - Non-Contact Phase Rotation Tester for Three-Phase Systems
Phase sequence tester with non-contact voltage clamps for phase sequence and live-line checks on three-phase circuits, fits insulated conductors with 7 mm to 40 mm diameter, CAT IV 600 V, CAT III 1000 V

€258.00
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PD3129 - Non-Contact Phase Rotation Tester for Three-Phase Systems PD3129 - Non-Contact Phase Rotation Tester for Three-Phase Systems
PD3129
PD3129 - Non-Contact Phase Rotation Tester for Three-Phase Systems
Phase sequence tester with non-contact voltage clips for phase order and live-line checks on three-phase circuits, fits insulated conductors with 2.4 mm to 17 mm diameter, CAT III 600 V

€238.00
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Produktvergleich: Wählen Sie Ihren HIOKI Drehfeldprüfer

Hier finden Sie die vollständige Auswahl: von klassischen kontaktlosen Drehfeldprüfern für Wohngebäude und kleinere Gewerbeanlagen bis zu bis hin zu modernen digitalen Messgeräten mit tatsächlicher Spannungsmessung und Bluetooth-Konnektivität für industrielle Anwendungen.
Comparison of non-contact phase rotation testers
Feature PD3129
Non-contact Phase Detector
(600 V) 		PD3129-10
Non-contact Phase Detector
(1000 V) 		PD3259-50
Non-Contact Digital
Phase Detector 		PD3259-90
Non-Contact Digital
Phase Detector (incl. Bluetooth)
Voltage range 70 – 600 V AC 70 – 1000 V AC 90 – 520 V AC 90 – 520 V AC
Safety rating CAT III 600 V CAT IV 600 V / CAT III 1000 V CAT IV 600 V, IP54 (Body) CAT IV 600 V, IP54 (Body)
Conductor diameter 2.4 – 17 mm 7 – 40 mm 6 – 30 mm 6 – 30 mm
Functions Phase sequence, rotation, live-line check Phase sequence, rotation, live-line check Phase sequence, true line-to-line voltage, frequency, missing-phase detection Phase sequence, true line-to-line voltage, frequency, missing-phase detection
Voltmeter included No No Yes Yes
Bluetooth No No Optional (Z3210) Included (Z3210)
Made in Japan – Built for Lasting Precision 

All HIOKI phase sequence testers are designed in Japan and manufactured at our own R&D center and factories, ensuring the highest standards of precision, reliability, and lasting accuracy trusted by technicians worldwide.