FHM2A01 Optical Multimeter with Optical Power Meter and Optical Light Source of 1310/1550nm


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Grandway provides high precision optical multimeter. FHM2 Series Optical Multimeter integrates a stable optical laser source and a precise optical power meter.

The optical laser source unit launches the laser whose wavelengths are at 1310/1490/1550nm or 1310/1550nm (according to the model). The optical power meter unit can recognize the wavelength automatically. FHM2 Series Optical Multimeter offers a large storage capacity; With the assorted software, user can generate a report or manage the test report easily.


  1. Auto wavelength recognition
  2. Data storage up to 999 items
  3. USB interface and PC associated software available


Type FHM2A01
Power Meter Parameters:
Calibration Wavelength 850/1300/1310/1490/1550/1625nm
Connector interchangeable FC/SC
Data Storage 999 items
Ref.Value Yes
Display Units dB/dBm/mW/uW
Display Precision 0.01dB
Accuracy ±5%±1nW
Wavelength Recognition 1310/1490/1550 (input power≥-40dBm)
Tone Detection 270Hz/1KHz/2KHz (input power≥-40dBm)
Measuring Range -70 to +10dBm
Laser Source Parameters:
Output Wavelength 1310/1550nm
Connector fixed FC (interchangeable SC)
Modulation Frequencies 270Hz/1KHz/2KHz
Output Power -5dBm±0.5dB
Stability Long-term (8h) ±0.1dB@1310/1550nm
Stability Short-term(15min) ±0.05dB@1310/1550nm
Wavelength Recognizing Code Yes
Auto Power off Yes
General Parameters:
Power Supply 2*NiHM AA batteries
PC Interface USB
Battery Life >100 hours (laser off)
Storage Temperature -20℃~+70℃
Operating Temperature -10℃~+50℃
Relative Humidity <90% (Non-condensing)
Dimension 168mmL×76mmW×43mmH
Weight 310g
Standard Accessories:
FC adapter, SC adapter, 2*NiHM AA batteries, 3*ceramic sleeves, power adapter, USB cable, carrying bag, CD disk, user manual, test report
Weight 2 kg
Dimensions 20 × 17 × 11 cm
Optical Light Source Port:



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