The UNI-T UT682D is a compact and efficient wire pair detector that proves useful wherever you expect to quickly detect breaks, short circuits or faulty connections in telephone, network or electrical cables. The device consists of a transmitter and a receiver, so it enables the exact detection of wires even in difficult conditions - including in the presence of noise or interference. Thanks to its high sensitivity and ease of use, the UT682D is an indispensable tool in the work of installers, service technicians and network specialists.
In the case of telephone lines, the sensor is capable of tracking cables at a distance of up to 3000 meters, enabling the exact line to be distinguished and the quick detection of short circuits and interruptions. It also supports measuring the DC voltage level and indicating the polarity of the telephone cable, which greatly simplifies the analysis of the installation status. The built-in connection order measurement function and the signal strength indicator further increase the diagnostic performance.
The UT682D has a light and handy design - both the transmitter and the receiver fit comfortably in the hand, making it easy to use. Headphone connectivity makes the device ideal for use in noisy environments. By adjusting the signal volume and operating in two measurement speed modes, the performance of the device can be adjusted to the given situation.
The UT682D works with classic 9 V batteries, so it can be used comfortably without recharging. The kit includes the necessary accessories and is packaged in an aesthetic gift box, making it an ideal choice as a professional gift for a professional.

- Manufacturer code UT682D
- Certificates CE, UKCA
- Supported cables Telephone lines, twisted pair, electrical wires
- Tracing telephone lines up to 3000 m
- Short circuit/break test Yes
- Polarity indication Yes
- DC voltage level test ±(5V~52V)
- Wire order measurement Yes
- Operating modes Fast and slow selectable
- Signal strength indicator Yes
- The transmitter is powered by a 9V battery
- The receiver is powered by a 9V battery
- Headphone jack Yes
- Volume control Yes
- Receiver operating current