Landis+Gyr High Tension (HT) Energy Meters are advanced three-phase meters designed for accurate, reliable energy measurement in high voltage industrial and utility applications. These meters feature high precision, extensive communication capabilities, and smart grid readiness.
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Type: Three-phase, four-wire CT/PT operated static/digital energy meters
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Accuracy: Class 0.2s, 0.5s options for extremely precise active and reactive energy measurement compliant with IEC and IS standards
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Voltage Rating: Suitable for HT systems such as 11kV, 33kV networks (via CT/PT inputs)
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Current Rating: Supports various CT secondary currents (1A, 5A) with configurable CT/PT ratios
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Measurement: Active, reactive, and apparent energy with bidirectional metering (net metering), maximum demand, power factor, frequency, harmonic analysis, and power quality monitoring
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Display: High-resolution dot matrix or backlit LCD with multi-parameter viewing, including load profiles, event logs, and alarms
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Communication: Multiple options including RS485, optical port, cellular (4G/GPRS), Ethernet, and PLC modules with support for DLMS/COSEM, IEC 61850, and other smart metering standards
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Data Logging: Extensive billing history, load profiles, event detection, and tamper logging
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Tamper Detection: Magnetic tampering, voltage/current reversal, phase loss, cover opening and intrusion detection with secure memory
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Robustness: Lightning withstand up to 10kV, IP53 rated enclosures, and EMI/EMC compliance
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Expandable: Modular architecture allowing communication and I/O expansion, relay outputs for advanced load/demand management
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Additional Features: Support for multi-rate tariffs, time-of-day metering, real-time clock, and alarms
