UNI-T UT681L Cable Testers
- Tests: RJ45/RJ11 Cables
- Indicators: LED Status Display
- Operation: Single Key Control
- Power: 9V Battery Powered
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Description
UNI-T UT681L: Essential Cable Testing Simplified
1. Fast, Reliable Cable Checking for Professionals
The UNI-T UT681L is a handheld cable tester designed for quickly checking Ethernet (RJ45) and telephone (RJ11) cables. It accurately identifies common cable issues such as open circuits, short circuits, crossed wires, and non-conducting connections. This device is an invaluable tool for technicians involved in installing, maintaining, and inspecting low-current system circuits, ensuring network reliability and performance.
2. Intuitive LED Status for Clear Diagnostics
The UT681L features a clear LED status display that provides immediate visual feedback on cable conditions. This intuitive interface allows users to quickly determine the exact fault in a cable, whether it’s a broken wire, a short, or a cross-connection. The straightforward LED indicators simplify troubleshooting, making it accessible even for those new to cable testing, while providing precise diagnostics for experienced professionals.
3. Single-Key Operation for Unmatched Convenience
Designed for ease of use, the UT681L incorporates single-key operation, streamlining the testing process. With just one button, users can initiate tests and cycle through modes, making it incredibly efficient for repetitive tasks. This simple interface minimizes training time and reduces the likelihood of operational errors, ensuring that technicians can perform tests quickly and accurately on the go, enhancing overall productivity.
4. Intelligent Power Management for Extended Use
The UT681L is equipped with intelligent power management features to extend battery life and ensure readiness. It includes an auto power-off function that activates after 10 minutes of inactivity, preventing unnecessary battery drain. Additionally, a low battery indication alerts users when it’s time to replace the 9V battery, ensuring uninterrupted workflow. These features contribute to a longer operational lifespan and consistent performance.
5. Specialized Applications for Network Technicians
The UT681L is indispensable for specialized applications. In IT and telecommunications, it verifies proper Ethernet and telephone cable installation, crucial for reliable data and voice transmission. For building management systems, it ensures robust low-voltage wiring for security and control networks. In home networking setups, it helps identify and resolve connectivity issues quickly. For electrical contractors, it streamlines testing of communication lines in new installations. For security system installers, it validates alarm and CCTV wiring.
6. Robust Design for Field Professional Demands
Built to withstand the rigors of professional use, the UT681L features a robust and compact design. Its durable construction ensures reliability in various working environments, from industrial settings to residential installations. The lightweight nature of the transmitter (87g) and receiver (51g), coupled with their small dimensions (102mm x 62mm x 28mm for transmitter; 102mm x 37mm x 28mm for receiver), makes it highly portable and convenient for fieldwork, fitting easily into any toolkit.
7. TPT24: Your Trusted Source for Authenticity
TPT24 stands as the premier online retailer for the UNI-T UT681L cable tester, guaranteeing authenticity and top-tier quality with every purchase. TPT24 is committed to providing genuine, high-performance tools that meet professional standards. With worldwide shipping capabilities, TPT24 ensures that this essential cable testing device is accessible globally, delivered directly to your doorstep. Trust TPT24 for a seamless purchasing experience and the assurance of receiving a reliable, high-quality product.
8. Comprehensive Safety and Environmental Compliance
The UT681L meets stringent safety and environmental standards, holding CE and UKCA certifications, ensuring compliance with international regulations. It operates reliably within temperatures of 0℃ to 40℃ and humidity of 20% to 80% RH, with storage capabilities from -10℃ to 50℃ and humidity of 10% to 90% RH. This wide operating range and adherence to safety standards make the UT681L a dependable and secure tool for professionals globally, even at altitudes up to 2000 meters.
Specifications
| Specifications | Range | UT681L | UT681C | UT681HDMI | Description |
| Test function | To test for: RJ45/RJ11 | √ | |||
| To test for: RJ45/RJ11/BNC | √ | Need to use RJ45 to BNC adaptor | |||
| To test for: HDMI/MINI-HDMI | √ | ||||
| Fast test mode | √ | √ | LED1~LED8, LED_G | ||
| Slow test mode | √ | √ | LED1~LED8, LED_G | ||
| Scan test mode | √ | LED1~LED19, LED_S | |||
| Full display test mode | √ | LED1~LED19, LED_S | |||
| To test for the case of short circuit, crossover, open circuit, etc. | √ | √ | √ | ||
| Ethernet cable: shielded/ unshielded test | √ | √ | √ | ||
| Manual shutdown function | √ | √ | √ | ||
| Auto shutdown function | √ | √ | √ | No operation within 10 minutes, the device will shut down automatically | |
| Single key operation | √ | √ | √ | ||
| Power supply: 9V battery | √ | √ | √ | ||
| Low battery detection | √ | √ | √ | Less than 7.2V | |
| Application environment | Operating temperature: 0~40℃ | √ | √ | √ | |
| Storage temperature: -10~50℃ | √ | √ | √ | ||
| Operating humidity: 20~80%RH | √ | √ | √ | ||
| Storage humidity: 10~90%RH | √ | √ | √ | ||
| Altitude: ≤2000 meters | √ | √ | √ | ||
| Safety standard | CE EN61326-1: 2013; EN61326-2-2: 2013 | √ | √ | √ | |
| General Characterisitics | |||||
| Product color | Red and grey | ||||
| Product net weight | Transmitter: 87g; receiver: 51g | ||||
| Product size | Transmitter: 102mm x 62mm x 28mm; receiver: 102mm x 37mm x 28mm | ||||
| Standard accessories | 9V battery, BNC to RJ45 adaptor (UT681C) | ||||
| Standard individual packing | Gift box, English manual | ||||
| Standard quantity per carton | 40pcs | ||||
| Standard carton measurement | 455mm x 410mm x 225mm | ||||
| Standard carton gross weight | UT681L: 6.4kg; UT681C: 8.7kg; UT681HDMI: 9.5kg | ||||













