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Non-Contact Phase Detector
Non-Contact Phase Detector
Victor Non-Contact Phase Detector Accurate Phase Sequence Detection Clear Visual & Audible Alerts 850C / 850D / 850E
Non-Contact Phase Detector
Non-Contact Phase Detector
Non-Contact Phase Detector
  1. Non-Contact Phase Detector
  2. Non-Contact Phase Detector
  3. Victor Non-Contact Phase Detector Accurate Phase Sequence Detection Clear Visual & Audible Alerts 850C / 850D / 850E
  4. Non-Contact Phase Detector
  5. Non-Contact Phase Detector
  6. Non-Contact Phase Detector

Victor Non-Contact Phase Detector Accurate Phase Sequence Detection Clear Visual & Audible Alerts 850C / 850D / 850E

Price range: $43.99 through $57.99

The 850C, 850D, and 850E are professional Non-contact Phase detector instruments designed for live line positioning, line maintenance, and phase sequence verification across a wide range of wire sizes. Model 850C accommodates Φ1.5mm–Φ16mm, 850D handles Φ10mm–Φ40mm, and 850E covers Φ1.5mm–Φ43mm, making the series suitable for both fine and thick conductors. These devices operate on DC3V (2×AA alkaline batteries) for approximately 70 hours of continuous use. They detect live power from AC60V to 1000V, 45–65Hz. Visual indicators include clockwise (normal phase) or counterclockwise (reverse phase) LED sequences, with L1/L2/L3 lights signaling live presence, phase loss, or open circuits. Audio feedback provides intermittent short beeps for normal phase and a continuous long beep for reverse phase. The unit automatically powers off after ~5 minutes to conserve battery. A magnetic back (4 magnets) supports hands-free operation, and the clamp lead length is ~0.6m. The instrument weighs ~300g including batteries, operates from -10°C to 55°C, and meets EN61010 safety standards (CAT III 1000V, pollution degree 2). With high dielectric strength (>500MΩ between clamp and case), the 850 series ensures safe, reliable non-contact phase detection for electrical maintenance professionals.

SKU: 850C / 850D / 850E Categories: , Brand:

 

Non-Contact Phase Detector
Non-Contact Phase Detector

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  • Wide Wire Range Compatibility – The 850 series covers almost all common conductor sizes: 850C (Φ1.5–16mm) for precision electronics and small cables; 850D (Φ10–40mm) for heavy-gauge industrial lines; and 850E (Φ1.5–43mm) as a universal option. No matter your application, this Non-contact Phase detector adapts to the job without needing multiple tools.
  • Accurate Phase Sequence Detection – Identifies normal phase (clockwise LED illumination with intermittent short beeps) and reverse phase (counterclockwise LED order with continuous long beep). Prevents motor misrotation, generator backfeed, and equipment damage. The Non-contact Phase detector design ensures zero galvanic contact, reducing arc flash and shock risks.
  • Live Wire & Phase Loss Indication – L1, L2, and L3 LEDs clearly show live status within the set voltage range. If any phase is missing (phase loss) or an open circuit exists, the corresponding LED remains off. Immediate visual feedback helps troubleshoot three-phase systems faster and safer.
  • Non-Contact Safety Advantage – Because it is a true Non-contact Phase detector, you never need to pierce insulation or touch bare conductors. Simply clamp around the insulated wire to detect phase sequence, live presence, and absence of phase. This preserves cable integrity and protects users from direct exposure to hazardous voltages up to 1000V AC (CAT III).
  • Powerful Magnetic Mounting – Four strong magnets on the back allow hands-free operation. Attach the unit to metal panels, switchgear cabinets, or transformer enclosures while you work on lines. The 800g magnetic holding force (~800g weight of unit) keeps the detector securely in place, freeing both hands for test leads or tools.
  • Clear Visual & Audible Alerts – High-brightness LEDs visible even in bright substation environments. Loud, distinct beeper patterns (short intermittent beeps = normal phase; continuous long beep = reverse phase) mean you can keep your eyes on the lines and still know the result. Perfect for noisy industrial sites where looking away from live conductors is risky.
  • Long Battery Life & Auto Shut-Off – Powered by two standard AA alkaline batteries (DC3V), providing ~70 hours of continuous operation. Auto power-off after approximately 5 minutes of inactivity prevents accidental drain. A dedicated POWER indicator light shows when the unit is on and warns of low battery, so no unexpected shutdowns during critical measurements.
  • Wide Operating Conditions – Works from -10°C to 55°C (below 80% RH) and stores at -20°C to 60°C (below 90% RH). Suitable for outdoor utility work, factory maintenance, and indoor electrical panels. The Non-contact Phase detector remains reliable across seasons and climates.
  • Built to Safety Standards – Compliant with EN61010-1:2001, EN61010-031:2002, pollution degree 2, CAT III 1000V, and rated for instantaneous overvoltage 6000V. Dielectric strength >500MΩ between test clamp and case. Rugged construction ensures operator protection in high-energy electrical environments.
  • Lightweight & Portable – Weighs only ~300g including batteries, with a ~0.6m clamp lead. Easily fits into a tool bag or pocket. The ergonomic body and flexible leads reduce fatigue during long shifts.
  • Versatile for Line Maintenance & Live Positioning – Specifically designed for live line positioning and line maintenance tasks. Use it to verify correct phase rotation before connecting motors, generators, or transformers. Also ideal for identifying open circuits and checking if a cable is energized without making physical contact.
  • Immediate Troubleshooting of Phase Loss – When one or more LEDs do not light, you instantly know there is a phase loss or open circuit. No need for additional meters. This Non-contact Phase detector speeds up diagnosis in three-phase distribution boards, junction boxes, and control panels.
  • No Calibration Hassle – Fixed live power range (AC60–1000V, 45–65Hz sine wave continuous input) means no range switching or calibration drift. Just clamp and read. Reliable for daily use by electricians, HVAC technicians, utility linemen, and plant engineers.
  • Enhanced Productivity on Job Sites – Combines phase sequence, phase loss, open circuit, and live wire detection into one handheld device. Reduces the number of tools needed and eliminates the risk of forgetting a dedicated phase rotation meter. The built-in Non-contact Phase detector functionality streamlines electrical safety checks.
  • Trusted for High-Voltage Environments – Rated for CAT III 1000V, this instrument is suitable for measuring on distribution-level circuits (fixed installations, circuit breakers, busbars, feeders). The non-contact method further reduces transient overvoltage risks, making it a smart choice for modern electrical safety programs.

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