FHS2T01F Optical Light Source 1310/1490/1550nm -5dBm Output Power with FC and SC Adapters


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FHS2T Series Optical Laser Source is an advanced version of FHS2 Series of Optical Laser Sources, with one more wavelength for FTTX PON testing.

Auto-wavelength Recognition:
FHS2T Series Optical Laser Source transmits with a wavelength-identification digital encrypted protocol, enabling FHP2 Series Optical Power Meter to automatically use the proper calibration wavelength. This feature reduces the need for communication between the two technicians and decreases the possibility of making mistakes.
FHS2T Series Optical Laser Source offers excellent stability and portability for accurate fiber optic testing.
Single output port provides stable laser power at three wavelengths. The compact unit operates in either continuous wave (CW) mode or modulated mode. A low battery indicator reminds the user of replacing the battery.

Testing Range:
Maximum testing range up to 150km (when using Grandway’s FHS2T Series Optical Laser Source with Granway’s FHP2A04 Optical Power Meter).


  1. Easy-to-use,straight forward operation
  2. Eye-catching handheld appearance
  3. LCD backlight for easy operation in dark environment
  4. ±3dB adjustable output
  5. Rechargeable battery inside
  6. 1310 & 1490 & 1550nm available for PON testing
  7. Four wavelengths available for multi-purpose testing
  8. One-year warranty and recommended calibration interval


Type FHS2T01F
Output Wavelength 1310/1490/1550nm
Emitter Type LD
Output Stability Short Term (15 minutes): <±0.05dB@1310,1550nm; <±0.1dB@1490nm

Long Term (5 hours): <±0.1dB@1310,1550nm; <±0.2dB@1490nm

Central Wavelength ±20nm
Spectral Width 5nm
Output Frequency 270Hz, 1kHz, 2kHz
Output Power -5dBm±0.5dB
Adjustable Range N/A
Auto Power-Off Yes
Back-light Yes
Operating Temperature -10 to +50°C
Storage Temperature -20 to +70°C
Power Supply 2*Ni-MH AA batteries
Dimension 160mmL*76mmW*45mmH
Net Weight 270g
Standard Accessories:
FC adapter, SC adapter, 3*ceramic sleeves, 2*AA Ni-MH AA batteries, power adapter, USB cable, carrying bag, user manual, test report
Weight 1.5 kg
Dimensions 20 × 17 × 11 cm
Optical Port:



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