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  • RLM-100

Return Loss Meter

  • Most accurate in its class
  • Self-calibration
  • Chassis modular
  • Wireless integrating sphere detector
  • No computer required
  • Ready for production automation
  • Barcode control available
  • XNS ready


RLM Front 80 0 25 screen
RLM Front screen
RLM OSX front 80 0 25 screen
RLM Front 80 0 25 screen


The RLM incorporates 20 years of customer feedback from being industry leaders in the cable assembly testing market. It is the next generation of IL/RL meters. Improvements on key hardware components make it twice as fast as premium testing solutions with the same accuracy.

A new patented calibration method allows you to perform a user self-calibration and measure SM RL up to 85 dB with increased accuracy. Additional improvements such as the front panel touchscreen and easy to use software are ideal for production environments and labs.

The re-designed integrating sphere detector can measure loss on dense 72 channel MTP/MPO and duplex LC connectors with a single connection. The patented SD Slide Detector Adapters allow for the ultimate in ease-of-use.

Optimized for Speed and Accuracy

Fast mode IL/RL in <1.5 seconds per wavelength.


No need to send back to Santec for annual calibration.

Polarity testing
Polarity Testing

Pair with an RD-P and switch to integrate polarity testing

No minimum length
No Minimum Length
Mandrel free testing of short SM assemblies

Integrating Sphere Detector
Wireless capable detector with Patented slide adapters for quick changing
Built for Automation

Designed with automation in mind from SD's to Auto-start testing


RLM - Overview

1:30 minute watch

RLM - Self-Calibration

2 min watch


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