It's a high performance fiber fault locator which can be used to detect the fiber fault location and display the exact distance on the coloured LCD. The FOB-300 is designed to be palm sized, lightweight, easy carry and simple operated which can be an ideal instrument for fiber installation, detection and maintenance.
Feature:
1. Palm design, Hi-technology chip, reliable performance, accurately detects fiber fault location.
2.2-language, 4-shifts, 5-international displaying unit choices
3. Easy-to-use operation
4. Small size, lightweight, easy to carry out for maintenance.

Specification:
Item/Model No.: FOB-300
Fiber Type: 9/125 μ M Single Mode
Wave length: 1550+/- 20nm
Emitter Type: LD
Connector Type: FC/PC (Interchangeable SC, ST)
Pulse width: Automatic mode, 10ns/20ns/40ns/80ns/160ns/320ns/640ns
/1280ns/2560ns/5120ns/10240ns/20480ns
Max. Output Power: 90mW
Max. Measurement Range: 100Km(Reflection event, >1dB)
Distance Accuracy: Reflection event: +/- (2+0.1% x Distance)
Non-reflection event: +/-(100+ 0.5% x Distance)

Data Storage: 260 measurements
Dead zone: 10m (reflection event)
Power supply: AC/DC adaptor& Rechargeable Batteries x 4
Battery Life: 5, 000 times measurement
Operating Temp.: -10~+50 oC
Storage Temp.: -20~+60 oC
Humidity: 0~85%(non-condensing)
Communication port: Mini USB
Weight: 400g
Dimension: 190 x 105 x 55mm
Max event No.: 13 refective event+ 13 Non-refective event
VFL: Wavelength output: 650 +/- 10 nm
Power: 5mW (+/- 1mW changeable)
Modulated frequency: 2Hz
5. Four pieces of built-in NiMH rechargeable batteries, continuously measures up to 15000 times.
6. USB interface real clock display available