Optical Insertion and Return Loss Meter

Optical Insertion and Return Loss Meter

Supplier
Twonhao
Category
Fiber Test & Measurement
Origin
China

The TWH-L2000 photo-plug-back meter is derived from the combination of photopower and stabilization light;

Specification Snapshot
Standard Wavelength
1310/1550nm
Modem
0Hz, 270Hz,1KHz,2KHz
Power Measurement Range
-70~+10dBm
Dimensions
76177.5-40cm
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Overview

The TWH-L2000 photo-plug-back meter is derived from the combination of photopower and stabilization light; the introduction of high-clean colour liquid crystal screens; the completion of loss, loss and distance tests of fiber-optic links; and support for intelligent two-way loss testing; back wave loss test range 0-60 dB; loss test range 50dB (1550 nm; 200km); storage, call and export of 200 sets of test data

Specifications

ParameterValue
Standard Wavelength1310/1550nm
Spectrum TypeFP-LD; OLTS
Fiber-optic categorySM, MM
Spectrum TypeInGaAs
detection range40.3mm
Power Measurement Range-70~+10dBm
Display Resolution0.01dBm
Uncertainty‡5%
Scope of loss50 dB; (1550nm, 200km)
Accuracy Range‡0.25dB
Test Scope0~60 dB (APC light interface)
Accuracy Range‡0.75 dB (0~50 dB), earth 1.5 (50~60 dB)
Uncertainty+0.5dB (20dB)
Automatic Shutdown Time10 min (no operation)
Power Supply Method2000mAh lithium batteries
Continuous Operating Time125h®
Dimensions76177.5-40cm

Datasheet

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Supplier Information

Tw
Twonhao
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Tianjin Wenhao Technology Development Co., Ltd., established in 1998 in Tianjin High-tech Industrial Park, is an enterprise integrating R&D, production, and sales. Focusing on optical communication and broadcasting products, it independently develops transmission and receiving equipment for fiber optic networks, PON network products, and testing instruments. The company holds multiple certifications and adheres to strict quality management, professional standardization, and innovative development, aiming for win-win cooperation and long-term growth.

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Optical Insertion and Return Loss Meter
Twonhao · Fiber Test & Measurement
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