4000 Series Mini Pro OTDR 500m~100km for SMF
LG-OTDR-4000-S4

Product Overview
The OTDR integrates 12 functions, such as Auto OTDR, expert OTDR, event map, OPM, LS, VFL, RJ45 cable tracker (Including line finder), RJ45 cable sequence, RJ45 cable length, end face detection (optional), flash light, optical loss test.
Product Information
Product Details
Specification
Dimension | 173mm×109mm×45mm; about 0.5kg |
Display | 4.3 inch IPS TFT-LCD + touch screen, resolution 800×480 |
Data Interface | USB Type-C |
Fiber type | G.652 Singe mode |
Optical interface | FC/UPC (Interchangeable SC, ST) |
Pulse Width | 3ns/5ns/10ns/20ns/30ns/50ns/80ns/160ns/320ns/500ns/800ns/1μs, 2μs/3μs/5μs/8μs/10μs/20μs |
Testing Distance | 500m/1km/2km/4km/8km/16km/32km/64km/100km |
Sampling Points | 16k~128k |
Sample Resolution | 0.05m~8m |
Loss Resolution | 0.001dB |
Linearity | ±0.05dB/dB |
Ranging accuracy | ± (1m+ Sampling interval +0.005%×Test distance) |
Reflection accuracy | ±3dB |
Loss Analysis Mode | 4-point method /5-point method |
Laser Safety Level | Class II |
Power Supply | Lithium battery: 3.7V, 10400mAh AC/DC adapter: Input 100V~240V, 50/60Hz, 0.6A; Output 5V/2A |
Data Storage | Internal storage 8G , ≥200,000 curves |
File Format | SOR Standard File Format |
Language | Chinese, English |
Environmental Conditions | Operating temp: -10ºC~+50ºC Storage temp: -40ºC~+70ºC RH: 0% ~95%, no condensation |
VFL module | Wavelength: 650nm±20nm Output power: ≥10mW Mode: CW/1Hz/2Hz Connector: FC/UPC (Interchangeable SC, ST) Laser Safety Level: Class II |
OPM module | Wavelength range: 800nm~1700nm Calibration wave: 850/980/1300/1310/1490/1550/1625/1650nm Power range: -50dBm~+26dBm (defaulf), -70~+10dBm(option) Resolution: 0.01dB Uncertainty: ±5% Connector: Universal FC/SC/ST |
LS module | Wavelength: Consistent with OTDR output wavelength Laser type: FP-LD Output power: ≥-5dBm Stability CW: ±0.5dB/15min (Test after 15 minutes of boot-up preheating) Mode: CW/270/330/1kHz/2kHz Connector: FC/UPC (Interchangeable SC, ST) |
RJ45 Cable Tracking, sequence, length | Tracking mode: digital and analog mode Test distance: ≤ 300m Support live and line to line tracing |
Optical loss test | Test indicators refer to the indicators of LS & OPM Working wavelength is same with LS wavelength Support insertion loss testing |
Ordering Information
Model | Testing wavelength | Dynamic range | Event/Att dead-zone |
LG-OTDR-4000-S1 | SM 1310nm±20nm | 26dB | 2.5m/8m |
LG-OTDR-4000-S2 | SM 1550nm±20nm | 24dB | 2.5m/8m |
LG-OTDR-4000-S3 | SM 1610nm±20nm | 22dB | 2.5m/8m |
LG-OTDR-4000-S4 | SM 1310/1550nm ±20nm | 26/24dB | 2.5m/8m |
Standard Accessories

Ordering Information
| Model | Name | Status | Action |
|---|---|---|---|
| LG-OTDR-4000-S4 | 4000 Series Mini Pro OTDR 500m~100km for SMF | In Stock |
Quality Assurance
ISO/FCC Dual Certified
Fast Delivery
1-10 days lead time
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