FHS series Laser source are advanced version of DLS series Laser Source, with better features and more functions.
Auto-Wavelength Recognition
The FHS2D02 units can transmit with a wavelength-identification digital encrypted protocol,enabling the FHP2 Power Meter to automatically use the proper calibration parameters. This feature reduces the need for communication between the two technicians and decreases the potential for error.
Easy-to-use, straight forward operation
Eye-catching handheld package
LCD backlight for easy operation in darker environments
±3dB Adjustable by the user.
Rechargeable battery inside
850 & 1300 availale for multimode testing
Three-year warranty and recommended calibration interval.


  FHS2D02 FHS2D03
Output wavelength(nm) 1310&1550 850&1300
Emitter Type LD
Output Stability Short Term (15min.):   ±0.05dB @ 1300 / 1310 / 1550 nm

±0.1dB @ 850 nm

Long Term ( 8 hrs.) :  ±0.1dB @ 1300 / 1310 / 1550 nm;

±0.2dB @ 850 nm


Central Wavelength 1310&1550±20nm 850&1300±20nm
Spectral Width 3 nm
Output Frequency(Hz) 270,1k,2k
Output power -5dBm
Adjustable Range ±3dB, 0.1dB/step
Auto Power-off Yes
Back-light Yes
Operating Temperature -10 to +50
Storage Temperature -20 to +70
Power Supply 2pcs * Ni-MH AA(2500mAh)
Dimension(mm) 160L*76W45H
Net Weight 270g