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The NOYAFA NF-B509 is a versatile wire and cable tracker with an integrated digital multimeter, making it an indispensable tool for electricians and technicians. This compact device combines the functionality of a wire tracker and a multimeter, allowing you to efficiently locate cables, wires, and faults while also measuring various electrical parameters. The wire tracker feature enables you to trace and identify cables or wires, even in complex installations, by transmitting a signal through the conductor and detecting it with the receiver unit. The digital multimeter provides accurate measurements of voltage, current, resistance, and continuity, ensuring you have all the necessary information to diagnose and troubleshoot electrical systems. With its user-friendly interface and rugged design, the NOYAFA NF-B509 is a reliable companion for professional electricians, maintenance personnel, and DIY enthusiasts alike.Specifications:Model: NF-B509Material: ABSScan Modes: Analog ModeDigital ModeAuto Off: YesTransmitterContinuity Testing: Max Range 2000mCable Length Measurement: 5-200m (±3m)Port Flash: 10M100M1000MPoE: 4 pins8 pins power testing, PoE voltage testingNCV Function: NCV (Level 0~4)Temperature Measurement: YesResistor Measurement: 600Ω-60MΩ (accuracy: ±1.0%+5)ACDC Voltage Measurement: 600mV-610V (DC accuracy: ±0.5%+3; AC accuracy: ±0.5%+3)ACDC t Measurement: 1mA-3A (DC accuracy: ±0.8%+3)Power: 3.7V, 1500mAh lithium battery ReceiverLED Light: YesEarphone: YesMax Working t: ≤150mAPower: DC9V (exclusive)Receiver Size: 204.9 * 38 * 29mm 1 * 1 * 1inTransmitter Size: 137.5 * 76 * 34mm 5.41 * 2.99 * 1.34inPackage Weight: 650g 22.92ozPackage Size: 24 * 16.4 * 5.4cm 9.45 * 6.45 * 2.12in