Description
VISUAL FAULT LOCATOR UT691-01 UNI-T
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
Certifications: CE, UKCA
● 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
| Category |
Specification (UT691‑01) |
| Laser Output Power |
Minimum ≥ 1 mW |
| Estimated Fiber Range |
Approximately 2–3 km |
| Wavelength |
650 nm ± 10 nm |
| Connector Type |
2.5 mm universal fiber connector |
| Laser Mode Options |
Continuous and pulse mode |
| Flashlight |
Built-in LED flashlight |
| Battery Type & Capacity |
Rechargeable Li‑polymer 3.7 V, 1050 mAh |
| Battery Life (Laser/Flashlight) |
Laser mode >12 hours |
| Battery Status Indicator |
4 blue LEDs to show charging/state-of-charge |
| Auto Power-Off (APO) |
Approx. 15 minutes, cancelable |
| Charge Input |
DC 5 V, < 1 A |
| Protection Rating |
IP54 (dust and splash resistant) |
| Drop Resistance |
Withstands drops up to 2 m |
| Operating Temperature & Humidity |
0 °C to 40 °C, 20–75% RH |
| Storage Temperature & Humidity |
–10 °C to 50 °C, 10–90% RH |
| Altitude Tolerance |
Up to 2000 m elevation |
| Dimensions |
~130 × 38 × 27 mm (L × W × H) |
| Weight |
About 62 g |
| Certifications |
CE, UKCA, RoHS compliance |
| Design & Features |
Non‑slip housing; laser & flashlight operation indicators; humanized design |
