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Schneider Electric PowerLogic PM820MG and PM710MG Digital Power and Energy Meters
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The Schneider Electric PowerLogic PM820MG and PM710MG are digital power and energy meters from the PowerLogic series. Both feature integrated backlit LCD displays, RS-485 communication, and THD (Total Harmonic Distortion) measurement, though they belong to different performance tiers.
Overview of PM820MG vs. PM710MG
- PM820MG (PowerLogic PM800 Series)
- Logging: Features 80 kB of onboard data logging memory.
- Capabilities: Advanced power quality analysis, modular expansion options, and high-accuracy interval recording.
- Power Supply: Accepts wide-range AC/DC control power (typically 115–415 V AC or 125–250 V DC).
- PM710MG (PowerLogic PM700 Series)
- Logging: Basic min/max data logging readings.
- Capabilities: Standard multi-tariff instrumentation, instantaneous V/I/W/Wh measurements, and Class 1 energy accuracy.
- Design: Compact DIN-rail or panel-mounted meter designed for essential sub-metering and cost allocation.
Core Specifications Comparison
| Feature | PowerLogic PM820MG | PowerLogic PM710MG |
|---|---|---|
| Series Tier | PM800 (High-end modular) | PM700 (Compact standard) |
| Display | Backlit LCD | Backlit LCD |
| Communication | RS-485 port | RS-485 port |
| Memory / Logging | 80 kB data logging | Min/max values |
| Harmonics | THD and individual harmonics | THD (Total Harmonic Distortion) |
Schneider Electric PowerLogic PM820MG and PM710MG Digital Power and Energy Meters
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