1P2W Single Phase Smart Meter

Overview

ST12M02 is a Single phase smart meter used in smart grid system as AMI, AMR, AMM. It complies with DLMS, IDIS standard and Multiple technical solutions are adopted to communicates with AMI or AMR system.

Highlights

•  Open Communication Protocol: DLMS/COSEM

• One optical port for programming and reading, one RS485 port for local communication device connection.

•  Time of Use metering apply 8 tariff of TOU or step tariff

•  Support FW remote update

•  Load profile with instantaneous data and energy data

•  Remoting relay control

•  Battery replaceable

•  By Pass detect

•  Compatible with GPRS /PLC /RF/NB-loT/Lora modules

•  Relay control connect\disconnect Fire line and neutral line

•  Access to water and gas meters via MBUS according to agreement EN 13757

•  Anti-magnetism 500mT

•  Measuring THDs

•  Meter cover and meter base support ultrasonic/laser welding

Main Feature

Measurement

• Active Energy Measurement:

• Reactive energy measurement

• Instantaneous value measurement

• Maximum demand/Cumulative demand

• Power Measurement including Active power/Reactive power /Apparent power

Measuring instantaneous THDs for voltage, current, phase difference (voltage / current) per phase, comply with IEC 61000-4-7\

LCD Display

• Display content configurable

• Large digit LCD display, easy for reading

• LCD backlight

Self-Diagnostic and Detection

• Real time clock(RTC)indicator

• Reverse current indicator

•   All display segments self-diagnostic check

• Non-volatile memory status indicator

•  Replaceable Battery

• Battery capacity indicator

• Display of the presence of all voltages

• LCD display in power off condition by push button

•  Tampering Proof and detection function

•  Record the total number of power outage

•  Power Quality Monitor: Under Voltage, Over Voltage, etc.

Technical Specifications

Connection diagram

Dimmension diagram