6900 Series Bench-top Insertion/Return Loss Testing Meter


GJ6900 series Bench-top Insertion/Return Loss Testing Meter provides a high reliable and stable performance. It is a multi-functional optical testing meter which is integrated with dual-wavelength stable laser source, optical power meter, insertion loss tester and return loss tester. This testing meter can output 1310nm and 1550nm stable lasers when used as an optical laser source. As an optical power meter, it can measure the optical power at the wavelengths of 850nm, 1300nm, 1310nm, 1490nm, 1550nm and 1625nm. As a loss tester, it can detect both insertion loss and return loss at the wavelengths of 1310nm and 1550nm.
This testing meter is suitable for optical communication project as well as the research and manufacturing of optical active and passive components.

  1. Bench-top, selectable modular type structure
  2. Stable laser source
  3. Using high precise optical detector
  4. User can easily switch among three testing modes: optical power meter mode, return loss mode and insertion loss mode
  5. Linear optical power and logarithm optical power display

  1. Fiber Optic Patchcord Production Line
Return Loss:
Working Wavelength 1310/1550nm
Detecting Range 0~75dB
Calibration Wavelength 1310/1550nm
Uncertainty 0~55dB: 0.4dB; 55~75dB: 1dB
Display Precision 0.001 (can be set)
Power Meter:
Calibration Wavelength 850/1300/1310/1490/1550/1625nm
Testing Range -70~10dBm
Uncertainty 5%±0.1nW@1550nm (23°C±3°C)
Display Precision 0.001 (can be set)
Laser Source:
Selectable Wavelength 1310/1550nm
Output Power -2dBm±0.5dB
Stability 0.05dB/15min (23°C±3°C, tested after 30min warming-up)
Other Parameters:
Power AC100~240V 50/60Hz
USB Connection Yes
Dimension 260×110×310nm
Weight 3kg
Working Temperature 0~40°C
Storage Temperature -20~+70°C
Standard Accessories:
AC90~260V/5Hz power cord, USB cord, interchangeable adapter (FC/SC/ST), standard patchcord (FC/APC-FC/PC, FC/APC-FC/APC), FC/APC adapter, user manual
Ordering Information:
Model Wavelength Detector Photosensitive Surface
GJ6900 01: 1310/1550nm
02: 850/1300nm
I: internal detector
O: external detector
01: 1mm
02: 2mm

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