We, Shanghai HJ Fiber Co., Ltd, Guaranteed the High quality (Rohs, ISO9001, ) , Competitive price and Delivery on time service to our customers. Our products shown below: Isolator, Coupler, Circulator, WDM, CWDM, OADM, DWDM, MWDM, Hybrid Components for EDFA, Switches , PM Products, 1064nm Products, Faraday Mirror , Collimator, Pigtail, Jumper , Patch Cord, VOA, Attenuator, WDM Filter, Single Frequency Diode Laser , Fiber Fusion Splicer, Fiber Cleaver , 10/100/1000M Ethernet Media Converter, Fast Ethernet Switch

Efficiently identifies the traffic direction and frequency tone (270Hz, 1KHz, 2KHz) without any damage of the fibers
Applications
Maintenance in Telecom
Maintenance CATV
Test Lab of optical fibers
Other Fiber Optic Measurements
Features
Displays the core power of the fibers (-50~+0dBm)
Easy-to-replace adaptors
Efficiently identifies the direction and frequency tone without any damage
Low bending loss and highly efficient output
Machanical damp design of adapter heads to ensure the fiber without damage.
"ONE KEY" operation design, easy-to-sue
Description:
Wavelength Range 800-1700 nm
Identified Signal Type CW, 270Hz, 1kHz, 2kHz
Detector Type 1mm InGaAs 2pcs
Adapter Type 0.25, 0.9, 2.0, 3.0 to match various optical cables
Signal Direction Left & Right LED
Optical Power Reading -50~+0dBm
Signal Frequency 270Hz, 1kHz, 2kHz
Power One 9V Alkaline battery
Operating Temperature -10-+60
Storage Temperature -25-+70

For more details , Pls contact us without hesitation, we will give your satisfied reply asap.