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LM series Optical Multimeter
LM series optical multimeter with integrated power meter, laser source, and optional VFL for fiber power, loss, continuity, and fault testing.
- Description
- Features
- Technical Specifications
Description
The LM Series Optical Multimeter is a versatile and compact solution that integrates an optical power meter, laser source, and optional visual fault locator into a single device. Designed for field technicians and lab engineers, it provides the essential tools to test optical power, measure loss, verify continuity, and detect faults in fiber optic systems.
Featuring auto-wavelength recognition and tone detection, the LM series simplifies operation by automatically identifying key wavelengths and modulation tones. Its backlit display and auto power-off function enhance usability in different environments, while its compact and lightweight design ensures easy portability for field work.
The optical power meter offers high accuracy with a measuring range tailored to various models, while the laser source delivers stable output at key telecom wavelengths (1310/1490/1550 nm) with selectable modulation frequencies. The optional built-in visual fault locator enables quick fault pinpointing without the need for additional equipment.
With robust construction, interchangeable connectors, and the ability to operate in a wide temperature range, the LM Series Optical Multimeter is the ideal all-in-one test instrument for installation, maintenance, and troubleshooting of fiber optic networks.
Features
Combines optical power meter, laser source, and optional VFL in one device
Auto-wavelength recognition for quick and accurate testing
Auto power-off and backlit display for ease of use in all environments
High accuracy with ±5%±1nW precision
Supports tone detection at 270 Hz, 1 kHz, and 2 kHz
Multiple models to suit different measuring ranges and applications
Stable laser output with selectable modulation frequencies
Interchangeable FC/SC connectors (ST optional) for flexibility
Lightweight and portable design for field and lab use
Technical Specifications
| Specification | Details |
|---|---|
| Model | LM-2TD / LM-2CD / LM-2TP / LM-2CP |
| Calibration Wavelength | 850/1300/1310/1490/1550/1625 nm |
| Connector | Interchangeable FC/SC (ST optional) |
| Display Units | dB / dBm / mW / μW |
| Display Precision | 0.01 dB |
| Accuracy | ±5% ±1 nW |
| Wavelength Recognition | 1310/1490/1550 nm (input ≥ -40 dBm) |
| Tone Detection | 270 Hz / 1 kHz / 2 kHz (input ≥ -40 dBm) |
| Measuring Range | LM-2TD: -70 to +10 dBm; LM-2CD: -50 to +26 dBm; LM-2TP: -70 to +10 dBm; LM-2CP: -50 to +26 dBm |
| Laser Source Wavelength | 1310/1550 nm (LM-2T); 1310/1490/1550 nm (LM-2C) |
| Laser Connector | Fixed FC/PC (interchangeable FC/SC/ST optional) |
| Modulation Frequencies | 270 Hz / 1 kHz / 2 kHz |
| Output Power | -5 dBm ±0.5 dB |
| Output Stability | ±0.1 dB @ 1310/1550 nm; ±0.15 dB @ 1490 nm |
| Power Supply | 2 × AA batteries; AC/DC adapter |
| Operating Temperature | -10°C to +50°C |
| Storage Temperature | -20°C to +70°C |
| Dimensions | 160 × 58 × 32 mm |
| Weight | 160 g |
LM series, optical multimeter, fiber optic tester, optical power meter, laser source, visual fault locator, fiber continuity tester
