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DMG300L01 – MOD LCD MULTIMETER EXP OPTIC I/F
Lovato DMG300L01 expandable multifunction digital power analyser with graphic LCD display, True RMS measurement, 31st order harmonic analysis and EXM expansion capability.
£508.24
Why Choose the Lovato DMG300L01 Digital Multimeter?
The Lovato DMG300L01 is a high-performance expandable multifunction digital power analyser designed for accurate monitoring of electrical distribution systems in industrial, commercial and infrastructure applications. With a compact four-module DIN rail housing, advanced power quality analysis and modular expandability, it delivers comprehensive electrical measurement while allowing future system expansion as application requirements grow.
Featuring a bright 128 × 80 pixel graphic LCD, the DMG300L01 provides True RMS measurement of voltage, current, active power, reactive power, apparent power, energy, frequency and power factor. It also performs detailed harmonic analysis up to the 31st harmonic order, helping engineers monitor electrical network quality and identify distortion caused by modern electronic loads.
Unlike fixed-function power meters, the DMG300L01 supports optional Lovato EXM expansion modules through its optical interface, allowing communication ports, digital inputs, digital outputs and analogue functions to be added whenever required without replacing the base instrument.
Key Advantages
- Expandable multifunction digital metering instrument.
- High-resolution 128 × 80 pixel graphic LCD.
- True RMS electrical measurement.
- Comprehensive power quality monitoring.
- 31st order harmonic analysis.
- Supports 1 A and 5 A current transformers.
- Expandable using Lovato EXM modules.
- Compact DIN rail installation.
Key Features
- Lovato DMG300L01 multifunction digital power analyser.
- Graphic LCD display with white backlighting.
- Voltage, current, frequency and power measurement.
- Active, reactive and apparent energy monitoring.
- Maximum and minimum value recording.
- Power factor and demand monitoring.
- Individual harmonic analysis up to the 31st order.
- Optical interface for EXM expansion modules.
- Expandable communication and I/O capability.
- Multilingual operating interface.
- DIN rail mounting.
Flexible Power Analysis for Modern Electrical Systems
The DMG300L01 provides detailed monitoring of electrical networks, allowing engineers to measure consumption, identify abnormal loading, analyse harmonics and optimise energy usage. Its high measurement accuracy makes it suitable for industrial automation, power distribution and building management applications where dependable electrical data is essential.
The expandable architecture allows additional communication interfaces and programmable I/O modules to be added as system requirements evolve, making the DMG300L01 an excellent long-term solution for growing installations.
Typical Applications
- Industrial switchboards.
- Power distribution monitoring.
- Energy management systems.
- Motor control centres.
- Commercial buildings.
- Generator monitoring.
- Power quality analysis.
- Industrial automation systems.
Technical Specifications
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| Device Type | Energy analyser | |
|---|---|---|
| Manufacturer | Lovato Electric | |
| Series | DMG | |
| Model | DMG300L01 | |
| Product type | Multifunction digital metering instrument | |
| Installation | DIN rail mounting | |
| Current connection | External CT / 1 A or 5 A | |
| Measurement method | True RMS | |
| Display | 128 × 80 pixel graphic LCD | |
| Auxiliary supply | 100 to 240 V AC / 110 to 250 V DC | |
| Frequency | 45 to 66 Hz | |
| Active energy accuracy | Class 0.5S (IEC/EN 62053-22) | |
| Reactive energy accuracy | Class 2 (IEC/EN 62053-23) | |
| Current harmonic analysis | Up to the 31st order | |
| Built-in communication | No | |
| Expansion | Yes, via Lovato EXM modules | |
| Protection rating | IP40 front, IP20 terminals | |
| Dimensions (W × H × D) | approximately 71.6 × 90 × 63 mm | |
| Weight | approximately 328 g | |
| HS Code | 90303100 |
Frequently Asked Questions
What is the Lovato DMG300L01 used for?
The DMG300L01 measures voltage, current, power, energy, frequency, power factor and harmonic distortion in industrial electrical distribution systems.
Is the DMG300L01 expandable?
Yes. The instrument supports Lovato EXM expansion modules for additional communication ports and programmable I/O functions.
Does the DMG300L01 include built-in RS485 communication?
No. Communication is added through compatible optional expansion modules rather than being integrated into the base unit.
Which current transformers are supported?
The DMG300L01 is designed for use with external 1 A or 5 A current transformers.
Can the DMG300L01 perform harmonic analysis?
Yes. It measures current harmonics up to the 31st harmonic order, allowing detailed monitoring of electrical power quality.
Trusted for Professional Power Monitoring
Lovato DMG multifunction power analysers are trusted by electrical engineers, panel builders and facility managers for delivering accurate electrical measurement, flexible expansion and dependable long-term monitoring of industrial power systems.
