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Telecom & Datacom

Testing Solutions

Lightem test products consistently meet and exceed customer needs. We deliver exceptional test equipment and outstanding service.Lightem products are designed to provide accurate results every time. They are designed to reduce your workload.



Optical CWDM Power Meter

CWDM Power Meter is specially designed for CWDM system, covering wavelength from 1270~1610nm.It measures and monitors optical power and attenuation value of 18 channels from wavelength 1270nm to 1610nm wavelength. All calibrated wavelengths will be tested simultaneously and all test results will show in the LCD screen. This CWDM power meter features simple operation, quick response and high measurement accuracy which make it an ideal tester in CWDM system installation and maintenance.


  • Simultaneously test and show 18 wavelengths
  • Friendly interface and easy operation
  • Save and upload test results via USB port
  • 1000 records
  • Columnar graphics or list mode to show test data
  • Color TFT-LCD display,high resolution 320*240
  • Built-in clock and can edit test fiber number
  • Quick start operation, requiring no warm-up time
  • Light weight


Parameters Values
Wavelength Range
1270 ~ 1610 nm
Number of Channels
Measuring Wavelength (nm)
Wavelength resolution
Dynamic range
+ 10dBm to -40dBm
Absolute accuracy
<±0.5 dB
Power resolution
0.01 dB
Power supply
Rechargeable Lithium-Polymer Battery
Optical interface
FC/PCF(FC, LC, ST available)
Time of Operating
Operating temperature
-10 ~ +60°C
Dimensions (LxWxH)
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