•Accuracy: IEC Class 1.0/EN ClassB for KWh; IEC Class 1.0/Class 2.0 for kvarh

•Support DLMS/COSEM and IDIS 2.0 specifications

•Equipped with event recording, intelligently detects and logs energy usage

•Provide diverse WAN communication for efficient data transmission and real-time monitoring

•Intuitive LCD for energy consumption data

•Support for LLS and HIS (Suite O and Suite 1 LY-SM150 prepaid meters are advanced AMI smart single phase electricity meters, with BS integrated keypad/Smart Card type and/or split keypad type options. Their unique feature of plug-and-play communication module creates the possibility of exchange and usage of variety of reliable wired & wireless communication interfaces, suitable for residential and small size C&I clients.

LY-SM150 prepaid series meters are accurate at measuring & monitoring load and network parameters as well as anti-tampering functions, making them ideal for revenue collection and protection solutions. They are designed based on 20-bit Token in accordance with STS or CTS specifications, fully complying with DLMS/COSEM, IDIS standards and certified with DLMS, MID, IDIS, STS, SABS certificates to guarantee their interoperability over AMI platform.

Key Specifications

Electrical Parameter

● Connection Type: 1P2W

● Nominal Voltage: 220V – 240V (±30%)

● Nominal Current: 5A, 10A

● Frequency: 50/60 Hz ± 1%

● Dimension: 238 x 137 x 78.5 LWH (mm)

Communication

● Local Communication: Optical Port, RS485, M-BUS

● CIU Communication: PLC/RF/M-BUS

● Remote Communication: PLC/RF/GPRS/2G/3G/4G/NB-IoT

Key Functions

● Tariffs: 4

● Anti-Tampering: Magnetic Field, Bypass, Meter/Terminal Cover open, Reverse Energy, Missing Phase or/and Neutral

● Load Management: Power Thresholds, Over/Under Voltage (Configurable)

● Load Profile: Max 6720 entries, 15 channels (configurable interval 1 to 60 min)

● Load Management: Power Thresholds, Over/Under Voltage (Configurable)

Key Features

● High IP protection level: IP54

● Can be connected to Gas/Water/Heat Meters

● Fully Complying with STS or CTS specifications, DLMS/COSEM, IDIS standards and DLMS, MID, IDIS, STS, SABS certificates

● Integrated with HES system and AMI solution

● Configured in Prepaid or Postpaid mode

● Integrated keypad/Smart Card type and/or split keypad type options

● Both Local and Remote communication available

● Plug-and-play communication module: GPRS/3G/4G

● Strong Anti-tampering functions against Magnetic Field, Bypass, Meter/Terminal Cover open, Reverse Energy, Neutral line missing

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•Plug and play module for WAN communication with the independent module box

•4 quadrants measurement: instantaneous Vrms, Irms, frequency, PF, kW, kvar, kVA

•Support direct connection and current transformer type

•Accuracy: Class 0.5S or Class 0.2S for kWh; Class 2.0 for kvarh

•Up to 50th harmonic measurement: power quality analysis, THD, sag/swell/dip support

•Open standard protocol: DLMS/COSEM

•Flexible load control with an internal breaker

•Anti-tamper design

•Firmware upgrade via local interface and OTA

•Support LLS and HLS, DLMS Green book suite 0, suite 1

•Rich set of auxiliary interface support

•Wired M-Bus interface connects with water/gas meter

Main Functions

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