Uni-T UT682 Wire Tracker is a professional-grade wire tracker and tone probe kit designed for identifying and tracing ethernet, telephone, and power cables without stripping their insulation. Ideal for networking professionals and electricians, it excels at troubleshooting wiring faults such as open circuits, short circuits, and wiring sequence errors.
Comprehensive Cable Tracing: Effectively tracks LAN (ethernet), telephone, coaxial, and electric cables.
Wiring Sequence Verification: Features 9 LEDs on both the transmitter and receiver to verify ethernet cable wiring sequences and identify cross-over or open connections.
Live Switchboard Tracing: Capable of tracing wires connected to live switchboards at distances up to 100m.
Long-Distance Performance: Provides a tracking range of up to 3000m for telephone lines and over 320m for shielded/unshielded cables.
DC Level & Polarity Testing: Can check DC voltage levels and polarity for telephone lines within a range of 5V to 52V.
Noisy Environment Readiness: Includes an adjustable volume knob and a headphone jack for clear tracing in loud industrial settings.
| Feature | Specification |
| Wire Types | LAN, Telephone, Coaxial, Electric |
| Tracing Distance (Telephone) | ≥3000m |
| Tracing Distance (LAN) | ≥ 320m |
| Transmitter Output Voltage | ≥12V peak-peak |
| Input Voltage Protection | 52V DC |
| Power Supply | 9V Battery x 2 |
| Operating Temperature | 0 to 40C |
| Transmitter Size | 125mm x 48mm x 28mm |
| Receiver Size | 195mm x 48mm x 30mm |
UT682 Transmitter & Receiver
9V Batteries (x2)
RJ11 & RJ45 Adapter Cables
RJ11 Cable with Alligator Clips
Protective Carrying Bag & English Manual
Yes, the UT682 is specifically designed to support live switchboard wire tracing for ethernet and telephone lines. It can trace cables connected to active switches or routers up to a distance of 100 meters. However, always ensure the DC voltage on the line does not exceed 52V to prevent damaging the unit.
Short Circuit: Switch the transmitter to SCAN mode and connect the alligator clips to the wire pair. If the STATUS indicator turns solid RED, the line is shorted.
Open Circuit: Use the Network Alignment function. If specific LEDs (1-8) fail to light up on the receiver while they are lit on the transmitter, it indicates an open circuit (break) in that specific wire.
The UT682 is a more comprehensive networking tool. It includes dedicated RJ45 ports for testing ethernet wiring sequences (9 LEDs) and can trace LAN cables over 320m. The UT682D is a simpler version typically used for basic telephone and electrical wire tracing, lacking the advanced ethernet alignment features of the UT682.
The UT682 is highly powerful for its class. It can trace telephone lines over a distance of $ge$3000m and unshielded network cables up to 320m.
Absolutely. The receiver features an adjustable volume knob and a headphone jack. This allows technicians to plug in a headset and hear the tracing tone clearly even amidst the loud cooling fans of a data centre or industrial machinery.
Switch the transmitter to the OFF position and connect the alligator clips to the line. If the STATUS LED glows GREEN, the red clip is on the positive terminal. If it glows RED, the red clip is on the negative terminal.
If you are picking up a signal on multiple wires in a bundle, use the Sensitivity Knob on the receiver to turn the volume down. As you get closer to the correct wire, the signal will become distinct, allowing you to isolate the target cable from the "ghost" signals bleeding into adjacent wires.
