The " Uni-T UT691-01" optical line locator uses a 650 ± 10 nm red laser with continuous and pulsed operating modes, allowing you to test optical cables at distances of 2-3 km. It is equipped with a universal 2.5 mm FC socket, a rechargeable 3.7 V battery, IP54 protection, and the device weighs only 62 g.
The " Uni-T UT691-01" optical line locator uses a 650 ± 10 nm red laser with continuous and pulsed operating modes, allowing you to test optical cables at distances of 2-3 km. It is equipped with a universal 2.5 mm FC socket, a rechargeable 3.7 V battery, IP54 protection, and the device weighs only 62 g.





The " Uni-T UT691-01" optical line locator uses a 650 ± 10 nm red laser with continuous and pulsed operating modes, allowing you to test optical cables at distances of 2-3 km. It is equipped with a universal 2.5 mm FC socket, a rechargeable 3.7 V battery, IP54 protection, and the device weighs only 62 g.
Guarantee
24 month
Delivery from Europe in
15 - 16
business days
" Uni-T UT691-01" fiber optic fault locator uses a 650 ± 10 nm red laser with continuous and pulsed operating modes. It is designed to test optical fiber at a distance of 2-3 km. The device is equipped with a universal 2.5 mm FC connector, a rechargeable 3.7 V battery and an IP54 protection class housing. Weight - 62 g.
Product information | |
|---|---|
| Product type | Fiber Optic Fault Locator |
| Brand | Uni-T |
| Model | UT691-01 |
| Main purpose | For optical fiber identification, integrity testing and fault location |
Optical specifications | |
| Laser wavelength | 650 ± 10 nm |
| Laser output power | ≥1mW |
| Laser modes | Continuous and pulsed |
| Connection | Universal 2.5mm FC |
Power and operation | |
| Battery | 3.7V, 1050mAh rechargeable lithium polymer battery |
| Charging input | 5V DC, less than 1A |
| Battery indicator | Four blue LEDs |
| Automatic shutdown | After 15 minutes; time can be adjusted manually |
| Additional function | Built-in LED flashlight |
| Warning functions | Visual symbols and audible warnings |
Construction | |
| Protection class | IP54 |
| Drop resistance | Up to 1 m |
| Button durability | Tested with 5,000 clicks |
| Color | Red and gray |
| Dimensions | 130 × 38 × 27 mm |
| Weight | 62 g |
Complete set | |
| Package contents | Fiber optic fault locator and user manual |
Safety warning | |
| Warning | Use only for inspection and maintenance of compatible optical fiber. Do not stare directly into the laser beam or point it at people, animals, vehicles or aircraft. Keep the device out of the reach of children and use appropriate eye protection when necessary. |
| Height | 50mm |
| Length | 200mm |
| Weight | 100g |
| Width | 100mm |