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 ,For more details , please visit our website: www.fibersworld.com.

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.
Kindly look forward to hearing from you side.
Best regards
Mr Sun, Overseas Dept 
Shanghai HJ Fiber Co.,Ltd
www.fibersworld.com
Add: No.350,Shilong Road, Xuhui District, 
Shanghai1, P.R.China Postcode: 200232 
Tel: +86-21-54112835 Fax: +86-21-54112835 
E-mail: suncunjun2000@yahoo.com.cn
MSN: suncunjun3000@hotmail.com 
www.fibersworld.com