DETAIL
 
Introduction:
At present our fiber Optical Test Instruments covers: products covers: high precision optical fiber test instruments for laboratory( Fiber Fusion Splicer, high precision Bench-top Light Source, Optical Power Meter, Insertion & Return Loss Tester, Optical Variable Attenuator),Optical Test Instruments( OTDR, Laser Source, Optical Power Meter, Optical Multi-meter, Visual Fault Locator and Optical Fiber identifier etc.)

General
YW-H410B specializes for the site operation and maintenance personnel, to test fiber break and connector testing, the pen type design convenient to take

Feature
Battery low voltage alarming
Solid metal casing
Stable wavelength output
High performance laser diode at 650nm
Easy operation to use only one key 
2.5mm universal adapter to avoid complex conversion
External 1.25 mm connecting interface