Product Short Description
Technical Specifications
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Measured Parameters
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Voltage: 3-phase, 4-wire or 3-wire, 57–288 V L-N
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Current: 0–10 A via external 5 A or 1 A CTs
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Power & Energy: Active, reactive, apparent (import/export)
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Harmonics: THD, individual harmonics to 63rd
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Transient Capture: 1 µs resolution, 64 kHz sampling
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Description
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Accuracy
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Voltage/Current: ±0.2 %
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Power/Energy: ±0.5 % (Class 0.5) per IEC 62053-22
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Harmonics: ±2 %
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Communication Ports
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RS-485 Modbus RTU & DNP3
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Ethernet 10/100 Base-T (optional)
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USB 2.0 service port
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Digital I/O
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2 digital inputs (status or pulse counting)
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2 solid-state relay outputs (alarm/control)
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Power Supply
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Universal 90–250 V AC / 100–250 V DC, 20 W max
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Environmental Ratings
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Operating: –10 °C to +60 °C
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Humidity: 5 % to 95 % RH non-condensing
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Protection: IP54 front, IP20 rear
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Mounting: DIN rail (clip included) or panel cut-out 92 mm × 92 mm
Functional Features
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Waveform Capture: 8-cycle pre- and post-trigger storage for fault analysis
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Real-Time Clock: Battery-backed for time-stamped events and energy profiles
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Data Logging: 1 MB internal memory for trend logs and SOE records
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Self-Diagnostics: Automatic zero-drift check and CT/PT supervision alarms
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Firmware Update: USB or Ethernet flash upgrade without opening enclosure
Application Scenarios
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Utility Substations: Revenue metering, power-quality monitoring, and grid-code compliance
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Industrial Plants: Motor control centers, steel mills, data centers for energy management and harmonic mitigation
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Renewable Installations: Solar and wind farms for PQ analysis and grid interconnection studies
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Commercial Buildings: Tenant sub-metering, demand response, and fault detection in high-rise facilities
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