EM340 utilises touchscreen technology
31 October 2016
Carlo Gavazzi introduces the EM340 3 phase energy meter, the EM300 Series which utilises touch screen technology.
The touch screen technology makes standard user operations such as page scrolling, programming and parameter checks not only simpler but faster; as well as, easier to read avoiding any mechanical issues normally associated with using traditional keypads.
The EM340 three-phase energy meter with 3x8 digit backlit LCD data display and integrated keypad; suited to active energy metering and cost allocation in applications up to 65A (direct connection) and dual tariff management. The meter is optionally provided with pulse output, RS485 Modbus port or M-bus port and is only 3 DIN wide.
EM340 energy meter offers ease of use and performance measuring imported and exported energy. Installation is fast and simple, thanks to the meter’s self-power supply from the voltage reference inputs, automatic phase detection with wrong-phase-sequence warning and fast application-oriented programming procedure.
A selection of variables can be programmed providing for active and reactive energy measurement, options include: system variables such as kW, kvar, kVA, VLL, VLN, PF, Hz, kWdmd, kWdmd peak; phase variables including kW, kvar, kVA, VLL, VLN, A, PF. Energy measurement: kWh and kvarh (imported/ exported); kWh+ by 2 tariffs; kWh per phase.
Instantaneous variables are displayed as 3x4 digits, with energy meter readings to eight digits. Accuracy is ±0.5% RDG (V, A), and the meter is rated Class B (kWh) according to EN50470-3 and Class 1 (kWh) of EN62053-21.
The EM300 series of meters are also available as MID certified. The European Union’s Measuring Instruments Directive (MID) is designed to guarantee the accuracy and reliability of meters.
This is particularly significant for building owners with multi-occupancy models where individual tenants are billed via sub-metering. Meters are designed to be fully tamper-proof when correctly fitted with password protection and sealable or lockable covers are certified (Annex B+D) both in version PFA (easy connection) and PFB (bidirectional with approved imported energy meter) for billing applications.
The EM100 and EM300 series of energy meters ensure optimal performance in industries such as conventional energy, building automation, HVAC and sub metering applications such as shopping malls, public buildings, public lighting and charging poles, commercial buildings, light and medium industries, lift and elevators and agricultural applications.
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