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/Handheld Optical Power Meter S308

Handheld Optical Power Meter S308

Ultra-wide measurement range.

Accurate and durable handheld meter designed for the installation, operation and maintenance of optical fibre network.

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S308 handheld optical power meter is a compact and an easy-to-use testing instrument for optical fiber networks, which can be used for absolute optical power measurements as well as for relative loss measurements in optical fibers. It features ingenious appearance, wide range of power measurement, high accuracy and user self-calibration function with high performance-to-price ratio.


  • User self-calibration function.
  • Comfortable LCD display and optional backlight LCD display supports night operation.
  • Power measurements in dBm or mw and insertion loss in dB.
  • Low battery consumption, more than 240 hours continual operation time for three 1.5V alkaline batteries.
  • 10 minutes Auto-off function can be activated or deactivated.


  • Maintenance in Telecom
  • Maintenance CATV
  • Fiber Optic Lab Testing
  • Other Fiber Optic Measurements





Wavelength (nm)




Measurement Range (dBm)





Calibrated Wavelength (nm)


 Resolution (dB)


Optical Connector

FC (interchangeable SC, ST)

as well as 2.5mm universal

Power Supply

Alkaline Battery (3 AA 1.5V batteries)

Battery Operating Time

240 h with 1.5V Battery (3)

Operating Temperature ()

-10 ~ +60

Storage Temperature ()

-25 ~ +70

Relative Humidity

0 to 95% (non-condensing)

Dimension (mm)


Weight (g)


Standard Package

  • S308 optical power meter
  • Protective rubber boot
  • 3pcs 1.5V batteries
  • User manual
  • Cotton swabs and soft carrying case

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