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Optical Light Source with Multi-Wavelength (One Switch)


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Product Description


GAOTek Optical Light Source with Multi-Wavelength (One Switch) provides single to quad-wavelength output including 650 nm visible light source and 850/1300 nm wavelength for multi-mode fiber, or 1310/1550 nm dual-wavelength for single mode fiber. Together with a power meter this form an accurate test solution for the optical fiber networks.


  • Wide dynamic measurement range (up to 80dB)
  • Reference power level storage (Ref Setting)
  • User self-calibration function
  • Comfortable LCD display and backlight LCD display supports night operation.
  • Power measurements in dBm or mw and insertion loss in dB
  • 10 minutes Auto-off function can be activated or deactivated.
  • AA alkaline batteries can last more than 140 hours, AC adaptor also available
  • Low battery indication

 Technical Specifications

Wavelength(nm) 800~1700nm
Detector Type InGaAs
Detector Size Ø 0.04 in (1.0mm)
Measurement Range (dBm) -70 to 10 -50 to 30
Uncertainty ±5%
Calibrated Wavelength(nm) 850,1300,1310,1490,1550,1625
Resolution(dB) 0.01
Optical Connector FC (interchangeable SC,ST) / as well as 0.098in(2.5mm) universal
Power Supply Alkaline Battery (3 AA 1.5V batteries); AC Adaptor(9V)
Battery Operating Time 140 h with 1.5V Battery(3pcs)
Operating Temperature 14 to 140 F (-10 to 60 C)
Storage Temperature -13F to 158 F (-25 to 70 C)
Relative Humidity 0 to 95% (non-condensing)
Dimension 7.48in X 3.93in X 1.96in (190mm X 100mm X 50mm)
Weight 0.81lbs (370g)

Additional Information


  1. Clean the optical connector and adapter regularly.
  2. Use the regulated optical connector for the test.
  3. Shut off the power and cover the dust-proof cap after your test.
  4. Select the power supply within the required voltage range when using AC adapter.
  5. Please take out the battery when it is not in operation for a period of time.


Problems Possible reasons Solution
Faint display on the LCD screen The battery power is low Charge or replace the battery.
Fail to turn the unit on Low battery power or the battery is put wrongly 1.     Replace the battery.

2.     Re-put the battery

Optical power is not stable after the unit turned off. Use it after 15 minutes warm-up.


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