1. Applicable optical fiber type: 0.25-3.0mm 2. Wavelength range: 800~1700nm 3. Detection frequency range: CW/270/1k/2k Hz 4. Detection distance: up to 5km 5. Detector type: 1mm InGaAs 2 pcs 6. Signal direction: Left & Right LED 7. Optical power reading range: 40 dBm to 10 dBm 8. Power supply type: AAx2 (not included) 9. VFL power range: 10mW 10. VFL test distance: 5-8km 11. VFL wavelength range: 650nm 12. VFL laser type: LD 13. Compact and practical, portable, no need to change fixtures, online testing 14. Can quickly locate power outages, with a detection range of up to 5km, and LED lighting to facilitate construction in the dark. 15. Detection can be performed at any position on single-mode and multi-mode optical fibers, and an identifier can be used to identify it on the line. 16. Can identify 270Hz, 1KHz, 2KHz signal frequencies, and there will be a buzzing sound when the frequency is identified. 17. When there is a signal in the optical fiber, the left and right direction lights will display the signal direction. 18. When holding the machine, press the clamp switch on the back with your index finger to clamp the optical fiber cable, and the test will automatically start. 19. ABS material shell, good hand feel, comfortable to use, compact and light, easy to carry 20. Product size: 219mmx45mmx28mm 21. Product weight: 235g
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