The type ST12F01 meter is a new generation electronic watt-hour meter designed for measuring energy consumption in single phase services, time-of-use metering with up to four tariffs and custom billing cycles allowing billing and management applications in IEC compliant countries. It is a cost-effective choice for residential and light commercial application.

Key features：

l          1-phase 2-wire network 

l          220-240V 50 Hz reference voltage/frequency

l          Class 1 or 2 (IEC), Class A or B (MID) 

l          5A, 10A, 15A basic current, 40A, 60A, 100A maximum current 

l          Back light display, with 7 digits LCD

l          Low self-consumption and long life operation

l          Polycarbonate case and IP52 protection

l          High accuracy of IEC standards, class 1.0 and class 2.0

Class B certified to EN 50470-3 (MID)

l          Measurement of active (kWh), separated energy registers for import and export

l          Up to 4 tariffs per day and custom billing cycles

l          Precision internal real time clock (RTC) with backup long-life Li-battery Instantaneous per phase values of voltage, current and power factor (option)

Interface and Communication：

l          DIN-S0 Pulse output for kWh, high-light LED indicated for accuracy test

l          Data readout by optical port according to IEC 62056-21

(IEC61107 protocol support) data with OBIS identifiers (IEC 62056-61)

l          RS-485 communication ability (optional)