UNI-T UT691-10 Visual Fault Locator
The UT691-10 is a 10 mW visible red-laser visual fault locator (650 nm) for fiber cables, enabling detection of breaks, bends, and continuity over ~8–10 km.
1,150.00 EGP
In stockSKU 6935750569115
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UNI-T UT691-10 Visual Fault Locator
UT691 series visual fault locator is designed for optical fiber fault detection and locating end-to-end optical fiber identification, and more. It is IP54 rated, uses 650nm visible redlight with 2 emitting modes. With the functions of APO, battery status indicator, and flashlight, it can be widely used in the fields of optical cable construction and maintenance, optical fiber communication or sensing, and optical CATV.
Features:
- Non-slip humanized design
- Equipped with LED flashlight
- 3.7V 1050mAh rechargeable lithium battery
- Battery level indicator shows, laser indicator shows
- Red light wavelength 650+/-20nm
- 2.5mm universal connector
- Automatic shut-down
- IP54 protection level
Specifications:
| Specifications | UT691-10 |
| Laser output power | ≥10mW |
| Optical fiber length range | 8~10km |
| Wavelength of red light | 650±10nm |
| Optical fiber adapter | 2.5mm FC general connector |
| Battery type | 3.7V 1050mAh polymer lithium battery |
| Battery life | >7h |
| Battery status display | The battery status will be shown by 4 blue LEDs (not in flashlight) |
| Green indicator | Indicates auto power off state in which LED will flash white light for 3 times |
| Laser mode | Continuous mode/Pulse mode |
| Charge voltage and current | DC 5V, < 1A |
| APO | 15min auto power off (manual adjustable) |
| Warning symbol | √ |
| Warning | √ |
| Key press test | >5000 times |
| Drop test | 1m |
| General Characteristics | |
| Power | 1050mAh rechargeable battery |
| Product Color | Red and grey |
| Product net weight | 62g |
| Product size | 130mm x 38mm x 27mm |
Applications:
- Optical fiber fault detection.
- End-to-end fiber identification.
- Locating breaks, bends & bad splices.
- Optical fiber maintenance & construction.
- Optical communication systems diagnostics.
- CATV (Cable TV) fiber troubleshooting.

Package Contents:
- 1x Visual Fault Locator unit
- 1x USB charging cable
- 1x Dust cap
- 1x User manual / instruction sheet
- 1x Carrying pouch or protective sleeve







