Optical Loss Optical Loss
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Multifiber IRL Meter

RL mandrel-free test, dual wavelength test speed less than 0.6s

• Platform + module design, multi-application and scalable 

• RL mandrel-free test, dual wavelength test speed less than 0.6s

• RL minimum detectable down to -80dB(single mode)

• Minimum measuring fiber length 0.7m

• Rich interchangeable, high reliability detector adapter

• Support network, USB connection etc control methods

• Software UI concise and clear, easy and useful

• Auto save test data + report, support remote control function

Product Details
Specification Parameters
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Product Details

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Product Overview

Dimension Multifiber IRL meter uses a high stability laser source and a high precision optical power meter for mandrel-free return loss testing 

and high-speed insertion loss testing. The dual-wavelength loss test time is less than 0.6s, and the minimum loss detection can be achieved -80dB.

Includes 6 testing wavelengths for single mode and multiple mode (multiple mode :850nm, 1300nm, single mode :1310nm, 1490nm, 1550nm, 1625nm).

The optimized integrating sphere can measure the loss of a dense multi-core MTP/MPO connector as well as the loss of a duplex-LC device. 

RLM fast and accurate measurement function make it an ideal tool for improving production efficiency and quality control.


Main advantages

• Platform + module design, multi-application and scalable 
• RL mandrel-free test, dual wavelength test speed less than 0.6s
• RL minimum detectable down to -80dB(single mode)
• Minimum measuring fiber length 0.7m
• Rich interchangeable, high reliability detector adapter
• Support network, USB connection etc control methods
• Software UI concise and clear, easy and useful
• Auto save test data + report, support remote control function


Main applications

Fiber patchcord and connector performance test
Other optical passive device performance test


Platform + module design, high scalability

Dimension's 11-slot OMEGA universal optical test platform provides a whole set optical test solution, which is compatible with a wide range of functional test modules such as IRL test module. With hot swappable, programmable, and scalable, easy to maintain&manage, with low overall cost. 

 Customers can choose single-mode RLM module + multi-mode RLM module and matching optical switch in a single OEMGA chassis according to their own needs (the same chassis can achieve at most 24-core single-mode + multi-mode RLM integration), thereby achieving lower costs Single-mode and multi-mode integrated test solutions.


RL mandrel-free test, dual wavelength test speed less than 12s(MPO12)

Based on the principle of optical time domain reflection(OTDR) detection, the return loss test is realized without winding. The integrated design test module can realize insertion loss and return loss testing simultaneously. Using high speed sampling circuit and algorithm optimization, the speed of dual wave-lenath test is less than 8s (in the fast test mode, the MPO12 single-mode dual-wavelength test speed is ess than 7.2s, and the multi-mode dual-wavelength test speed is less than 8s)

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RL minimum detectable down to -80dB(single mode), Minimum measuring fiber length 0.7 m

Using the dimension self-developed high-sensitivity detection circuit and the optimized software algo- rithm, RL can achieve the detection of -80dB(single mode), which can meet the detection reguirements of high-performance single mode patchcord (SM/APC).


Rich interchangeable, high reliability detector adapter

lo meet the needs of customers, dimension has developed a series of interchangeable, high reliabil-ity detector adapter that are flexible and conve-nient to use.Optimized integrating sphere,com-patible with MPO/ duplex LC adapters, no need to repeatedly plug and plug in one test.

5、丰富可互换的适配器.jpg


Software Ul concise and clear, easy and useful

Based on years of customer feedback, the deeply optimized software Ul is concise and clear easy and useful. Users can customize the test report, can automatically save, upload test data and report to the server.


Detector Adaptors Selection Guide

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Performance parameter


  Basic product modelRLM1412A-1FA-24RLM5456A-1FP-24RLM-L-1412A-1FA-24RLM-L-5456A-1FP-24
  Product seriesProfessionalProfessionalLiteLite
Light sourceFiber typeSM 9/125MM 50/125SM 9/125MM 50/125
Wavelength1310/1550nm850/1300nm1310/1550nm850/1300nm
Source typeLaserLED/LaserLaserLED/Laser
Encircled flux standardNAIEC-61280-4-1NAIEC-61280-4-1


Insertion Loss		IL Stability*±0.01dB(<0.5H)
±0.02dB(<8H)		±0.02dB(<0.5H)
±0.03dB(<8H)
IL Repeatability*±0.02dB±0.02dB
IL Accuracy*0~1dB:±0.02dB
1~10dB:±0.1dB
10~15dB:±0.5dB		0~1dB:±0.02dB
1~10dB:±0.1dB
10~15dB±0.5dB		0~1dB:±0.02dB
1~10dB:±0.1dB
10~15dB:±0.5dB		0~1dB:±0.02dB
1~10dB:±0.1dB
Return LossRL range*-30～-80dB-15～-60dB-30～-72dB-15～-55dB
RL accuracy*-30～-70dB:±1.0dB
-70～-75dB   :±2.0dB		-15～-50dB:±1.0dB
-50～-55dB:±2.0dB		-30～-65dB:±1.0dB
-65～-70dB:±2.0dB		-15～-50dB:±1.0dB
-50～-55dB:±2.0dB
OthersFiber length (Min)DUT RL(Both ends)>50dB:0.6m
DUT RL(Both ends)<50dB:1.5m
Testing Time(s)<18s(Fast mode:SM MPO12<10S;MM MPO12<12S)
Display resolution0.01dB
MainframeInput powerAC90～260V/50HZ
Warming up time20 minutes (if the storage temperature is different from the service
temperature, the preheating time is 60 minutes
Recalibration period10℃～40℃
Storage temperature-40℃～70℃
SizeALPHA platform：359mm×274mm×115mm
OMEGA platform：462mm*374mm*171mm
* Related parameters Default test conditions: equipment heat engine 30min; Ambient temperature 23+/-1℃; FC/PC single-core jumper. If multi-wire verification is used, the error variable (+/-0.03dB) due to the optical switch should be added to the parameter.




Ordering information

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Note: RL test model A/C supports dual laser wavelength. 

Two-digit code epresents two laser wavelengths. Customers can choose laser wavelength or customized laser wavelength in the list.

RLM module can support 4 single-mode wavelengths (red light is not included in the four wavelengths), and the selection code can be followed by the same, 

such as selecting red light and 1310, 1550, 1625 as RLM-140124A-1FA.


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