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AC220V 50Hz NB-IoT Electricity Meter with DL/T645-2007 Protocol Smart Energy Meter for Reliable Power Measurement

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AC220V 50Hz NB-IoT Electricity Meter with DL/T645-2007 Protocol Smart Energy Meter for Reliable Power Measurement

Large Image : AC220V 50Hz NB-IoT Electricity Meter with DL/T645-2007 Protocol Smart Energy Meter for Reliable Power Measurement

Product Details:

Place of Origin:	China
Brand Name:	HUIYUE
Model Number:	DDZY8528

Payment & Shipping Terms:

Price:	$30~100usd
Packaging Details:	Individually packaged, carton packaged; size can be adjusted according to actual needs.
Delivery Time:	1~2weeks
Payment Terms:	T/T、D/P、D/A
Supply Ability:	5000pcs/month

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Detailed Product Description

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AC220V NB-IoT Electricity Meter

Smart Energy Meter Simple Circuit

Simple Circuit NB-IoT Electricity Meter

AC220V NB-IoT Electricity Meter Smart Energy Meter 50Hz Simple Circuit

Introduction

This advanced SOC single-chip processing system device is manufactured using SMT technology, featuring a simple circuit design with high reliability and measurement accuracy. Capable of active/reactive energy measurement, current, voltage, power, and power factor measurement. With NB-IoT (narrowband Internet of Things) wireless communication, it offers excellent anti-interference and anti-attack performance, wide operating temperature range, and long-term stable operation.

Ideal for single-rate electricity applications including small/medium enterprises, commercial/residential users, secondary circuits, space-constrained single-phase equipment, photovoltaic bidirectional measurement, and charging pile measurement. Enables remote centralized reading. Complies with GB/T17215.321 standard.

Product Features

LCD digital display shows total power (6-digit integer + 2-digit decimal format: 999999.99kWh/kvarh)
Accurate measurement of forward/reverse active power with display of total power, forward power, reverse power, and total reactive power
RS485 communication interface supports meter reading (DL/T645-2007 in even parity mode, MODBUS-RTU in no parity mode)
NB-IoT communication protocol compatible with third-party systems; bottom inlet/outlet wiring with external amplified antenna for stable signal
Remote switch control; data retention for over 15 years after power failure
Operating temperature: -20℃ to +55℃
Extreme temperature tolerance: -25℃ to +70℃

Technical Parameters

Item	NB-IoT Single-phase Electricity Meter	NB-IoT Three-phase Electricity Meter
Accuracy level	Active power level 1
Reference frequency	50Hz
Reference voltage	AC220V (Working voltage 90~300V)	AC3x220/380V±20%
Direct current	5(60)A, 20(80)A	1.5(6)A mutual induction type, 5(60)A, 10(80)A direct type
Power consumption	≤1W/5VA	≤2W/10VA per phase
Baud rate	1200~9600bps