This device is a flush-mount energy meter with a 96mm by 96mm backlit LCD display.::The meter provides Class 0.5S accuracy per IEC 62053-22 standard and 64 samples per cycle.::The meter will measure Energy, Active and Reactive Power, Voltage, Current, Frequency, Power Factor and up to the 31st Harmonic.::Include 256 kiloBytes of memory for two fixed parameters, active and reactive energy.::The meter will function in a 50Hz or 60Hz network and accepts supply voltage ranging from 100 to 415 VAC and 125 to 250 VDC.::Line rated current for this meter is 1A or 5A input and will support Single Phase and Neutral, Three Phase, or Three Phase and Neutral configurations.::The range of measurement voltage between Phases is 35 to 690 VAC at 47 to 63 Hz.::Measurement range between Phase and Neutral is 20 to 400VAC at 47 to 63 Hz.::Communication protocol are Modbus TCP/IP and BACnet/IP based on 10/100 Mbit/s, Ethernet with RJ45 port support.::The meter also has two digital inputs or digital outputs, configurable.::There are 35 configurable alarms and it supports four tariff schedules.::Product dimensions are as follows: width 3.78 inches (96 millimetres), depth 2.83 inches (72 millimetres), height 3.78 inches (96 millimetres) and product weight 15.2 onces (430 g).