Insertion Loss & Return Loss Meter
Insertion Loss & Return Loss Meter Insertion Loss & Return Loss Meter Insertion Loss & Return Loss Meter
JW3327

Insertion Loss & Return Loss Meter

Fiber optic test platform for measuring insertion loss and return loss of fiber optic cables

This precision optical testing instrument has been developed based on the company’s extensive experience in manufacturing and testing passive optical components and optical communication instruments. It is widely used for testing fiber optic cables and passive optical components, serving as an essential tool for manufacturers.

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Features
  • Built-in high-stability light source
  • Large color screen display
  • Customizable test thresholds via the menu
  • Simultaneous dual-wavelength IL & RL testing
  • Supports multiple fiber interface conversions
  • Threshold settings with red indicators for out-of-spec results
  • Built-in red light functionality to quickly identify jumper cable ends, improving testing efficiency
  • Optional 850nm wavelength for multimode jumper cable insertion loss testing
Specifications
Model JW3327A JW3327B
Return Loss (RL)
Single Mode Multimode
Optical Wavelength 1310/1550nm (±10nm) 850/1300nm (±10nm)
Fiber Type 9/2025 50/125 or 62.5/125
Output Power ≥-5dBm ≥-28dBm
Output Power Stability ±0.015dB (15min@25℃) ±0.05dB (15min@25℃)
Optical Connector Type FC/APC
Measurement Range 0 to 75dB
Display Resolution 0.1dB
Insertion Loss (IL)
Detector Type InGaAs 2.0
Wavelength Range 800 to 1700nm
Calibration Wavelength 850/1300/1310/1490/1550/1625nm
Measurement Range +3 to -75dBm +3 to -70dBm
Insertion Loss Uncertainty ±0.05dB ±0.1dB
Insertion Loss Stability ±0.01dB ±0.03dB
Power Uncertainty 0.25dB (+3 to -55dBm)
Display Resolution 0.01dB
General
Display 3.5 inch TFT color screen
Communication Interface USB2.0/RS232/wireless communication (optional)
Windows Operation System Win7 (32/64-bit), Win10 (32/64-bit)
Monitor Type Recommendation: 21-inch monitor with minimum resolution of 1600×900
Operating Temperature -5 to +40℃
Storage Temperature -25 to +70℃
Power Supply AC 220V
Dimensions 280×260×120mm
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Fiber Optic Test Equipment Manufacturer
Since 1998

We provide various testing equipment, measuring equipment, and monitoring equipment for the optical communication industry, and have accumulated a large number of professional technologies and mature solutions.

  • Engage in the research and development and manufacturing of desktop and handheld photoelectric testing instruments
  • The annual output of photoelectric testing equipment reaches 500,000 units
  • Passed ISO9001 series quality certification, 14001 environmental certification, CE certification, FC certification, RoHS certification, and many other international certificates
  • All products have 100% independent intellectual property rights, and provide OEM/ODM services
  • Our products have been recognized by Japan's NTT Communications, South Korea's SK Telecom, Deutsche Telekom, and the United States' Verizon, and have reached cooperation