The ADL200 is a compact and accurate single-phase smart energy meter developed by Acrel for residential, commercial, and industrial energy sub-metering. It supports complete monitoring of electrical parameters, including voltage, current, frequency, power, and energy (both active and reactive). Featuring an 8-digit LCD, pulse output, and RS485 Modbus-RTU communication, the ADL200 is suitable for DIN-rail installations in distribution boxes and enables real-time data integration into energy management and building automation systems.

Technical Specifications

Feature	Specification
Model	ADL200
Voltage	AC 220V
Current Range	Basic: 10A; Max: 80A
Frequency	50Hz
Power Consumption	<10VA (voltage), <4VA (current)
Display	LCD, 8 digits
Pulse Output	1 channel, 1000 imp/kWh, 80±20 ms pulse width
Accuracy	Active Energy: Class 1
Clock Accuracy	≤0.5s/day
Measured Parameters	Voltage, Current, Active/Reactive Power, Power Factor, Frequency, Energy (kWh, kvarh)
Communication Interface	RS485, Infrared
Protocol Supported	Modbus-RTU
Alarm Indicators	LED (voltage loss, overvoltage)
Mounting Type	DIN 35mm rail
Working Temperature	-25°C to +55°C
Storage Temperature	-40°C to +70°C
Humidity	≤95% RH (non-condensing)
Altitude	<2000m

Functions

• Forward and reverse kWh/kvarh energy tracking
• Full monitoring of electrical parameters in real-time
• Energy pulse output for external system interfacing
• RS485 communication for SCADA/EMS/BMS integration
• Easy LCD-based setup and diagnostics
• Compact and efficient for sub-metering or energy audits

Applications

• Residential and apartment energy sub-metering
• Commercial load and tenant billing
• Industrial machine-level energy monitoring
• Panelboard-level metering in retrofit projects
• Smart energy management system integration

Manufacturer Information

Acrel Co., Ltd., established in 2003, is a high-tech enterprise specializing in energy efficiency management and electrical safety solutions. With a comprehensive product line ranging from cloud platform software to sensors, Acrel offers smart energy meters, power sensors, and protection devices. Their products are widely utilized across industries such as electric power, communications, rail transit, petrochemical, and construction. In 2012, Acrel was listed on the Growth Enterprise Market with the stock code 300286.SZ. The company is committed to delivering innovative and reliable energy management solutions to its global clientele.