SSEYL OFI-300 PON Optical Fiber Identifier Tester - Professional Fiber Optic Network Tool for Cable Tracing & Signal Detection (Perfect for Telecom Technicians, Network Installations & Maintenance)

Indicate the signal direction in fiber; Easy-to-use with “ONE KEY” operation Adapter for 0.25, 0.9, 2.0, 3.0mm fiber, Detect tones 270Hz, 1kHz and 2kHz; Durable metal housing and quality construction Battery low indication; Powered by 1 units of 9V battery; OFI-300 Wavelength Range:800 to 1700nm (SM) Recognizable signal type*:CW, 2kHz, 1kHz, 270Hz ±5% Detector Type:InGaAs 2pcs Fiber Type0.9, 0.25, 2.0, 3.0 mm fiber Sensitivity:+10 ~ -50dBm Accuracy * +10dB to -30 dBm (Continuous Wave) +10dB to -25 dBm (Modulated Signal) Signal Display:Signal direction; signal frequency (2kHz/1kHz/270Hz); low battery Temperature:Storage: -20 -- +60 ℃, <90%RH Operating: -10 -- +50 ℃, <90%RH Power Supply:9V battery Size / Weight:200mm * 30mm * 27mm / About 200g