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JW3120 Power Adjustable Light Source


3.5-inch color display
Maximum 6-wavelength output
Support for user self-calibration
Single-channel or dual-channel output is supported
The output power is continuously adjustable
Automatic wavelength identification function
Support Continuous light CW and modulation light output
Support Visual Fault Locator (optional)


JW3120 is a new version 3.5-inch color screen with adjustable output power that developed by Shanghai Joinwit. It can provide up to 6 wavelengths of light. It has a continuous 15dB adjustable power range and can choose single and double channels, it can automatically identify the wavelength when it is used with our power meter, and it can easily and accurately measure the loss of optical fiber link.


ModelJW3120 OLS
Wavelength nm1310/1550(customize)
Spectral width (nm)≤5(customize)
Typical output(dBm)-5
Stability dB,15min1≤0.05
Output power adjustable rangedB2-5~-20
Min step adjustable powerdB0.05
Modulation frequencyHZCW、270、330、1K、2K
Interface type(FC/SC)/PC(customize)
Display size3.5-inch TFT color screen
Wavelength (nm)650
Output power (mW)1
Power supply mode3.7V 4000mAh lithium battery/Micro USB
Auto-off (min)User-defined
Communication interfaceMicro USB 
Continuous working hoursH3≥25
Operating temperature-10~+60
Storage temperature-25~+70
Size (mm)188×88×44
Weight (g)370