Product Introduction

The T-OT750 Series Tester is a comprehensive optical fiber measuring instrument developed in 2019, specifically engineered to address the measurement requirements of various optical fiber parameters. With the OTDR function as its core, it integrates a full range of common optical fiber measurement capabilities, truly embodying the concept of “ONE MACHINE, TESTING ALL” for efficient and all-in-one fiber testing.

Product Advantage

● Dual-Control User Experience: Combines a touch-sensitive screen with durable physical buttons, ensuring intuitive operation and reliable performance in diverse on-site environments.

● Superior Short-Range Measurement: Excels in short-distance testing with a dead zone of 0.8m/4m, enabling accurate detection of nearby fiber events (e.g., splices, connectors).

● High Sampling Precision: Boasts a maximum sampling resolution of 5cm, ensuring detailed and precise capture of fiber characteristics.

● Rich Test Result Analysis: Supports multiple post-test analysis functions, including segment return loss calculation, event point return loss evaluation, multi-curve comparison, and quick screen capture for data documentation.

● Comprehensive Data Interfaces: Equipped with USB (Type A), MINI USB, and SD card ports, facilitating easy data export, storage expansion, and device connectivity.

Technical Parameters

Model No.Wave Length(nm)Dynamic Range(dB)Deadzone(M)
T-OT750-S-A321310/155032/300.8/4
T-OT750-S-A351310/155035/330.8/4
T-OT750-S-A421310/155042/400.8/4
T-OT750-S-AB351310/1550/162535/33/320.8/4
T-OT750-S-AB421310/1550/162542/40/380.8/4
T-OT750-S-AC351310/1550/165035/33/320.8/4
T-OT750-M26850/130022/262/5
T-OT750-SM351310/1550/850/130035/32/22/26SM:0.8/4 MM:2/5
Pulse WidthSM3ns, 5ns, 10ns, 20ns, 50ns, 100ns, 200ns, 500ns, 1μs, 2μs, 5μs, 10μs, 20μs
MM850mm:3ns,5ns,10ns,20ns,50ns,100ns,200ns,500ns,1us

1300mm:3ns,5ns,10ns,20ns,50ns,100ns,200ns,500ns,1us,2us

Test RangeSM100m、500m、2km、5km、10km、20km、40km、80km、120km、160km、240km
MM850mm:500m,2km,5km,10km

1300mm:500m,2km,5km,10km,20km,40km,80km

Minimum sampling resolution0.05m
Maximum sampling point256,000
Result Storage>16G SD card(Maximum support 128G)
Monitor5.6 “TFT LCD 640 * 480
Battery7.4V/2500mAh X 2 lithium battery(Aviation certification)
VFL10KMS, 10mW,CW/2Hz
OPMOption A:-10dBm~-70dBm; Option B:+23dBm~-50dBm
Laser sourceOutput:-5dBm±2dB,Frequency:CW/270Hz/1KHz/2KHz

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