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The UNI-T UT681C is a handheld cable tester for checking RJ45 Ethernet, RJ11 telephone and BNC cables for open circuits, short circuits and crossover faults. It provides fast and slow test modes, LED status indication and single-key operation for network, telephone and weak-current system maintenance.
| Product Type | Handheld Cable Tester |
|---|---|
| Model | UT681C |
| Test Interfaces | RJ45, RJ11 and BNC |
| BNC Testing | Requires the supplied BNC-to-RJ45 adaptor |
| Test Functions | Open circuit, short circuit and crossover detection |
| Test Modes | Fast Test and Slow Test |
| Display | LED status display |
| Power Supply | 9V battery |
| Auto Power-Off | After 10 minutes of inactivity |
| Operating Temperature | 0–40°C |
| Storage Temperature | -10–50°C |
| Operating Humidity | 20–80%RH |
| Altitude | Up to 2000 m |
| Transmitter Dimensions | 102 × 62 × 28 mm |
| Receiver Dimensions | 102 × 37 × 28 mm |
| Compliance | CE; EN61326-1:2013; EN61326-2-2:2013 |
RJ45 and RJ11 cables connect directly to the tester. BNC cable testing requires the supplied BNC-to-RJ45 adaptor. Confirm the connector type and cable wiring before testing.
