The ADL100-ET Series is a compact, single-phase smart energy meter designed for residential, commercial, and industrial applications. It offers precise active energy measurement along with real-time power monitoring. With RS485 Modbus-RTU support, it allows easy integration into EMS/BMS platforms. Designed for 35mm DIN-rail mounting, the ADL100-ET is ideal for sub-metering, apartment complexes, and equipment-level monitoring. It features a high-contrast LCD screen for local viewing and programming, along with multi-rate energy tracking capabilities.

Technical Specifications

Feature	Specification
Model	ADL100-ET
Voltage	AC 220V
Current Range	5(80)A direct input
Frequency	50/60Hz
Power Consumption	<2W/10VA
Display	LCD, 12-digit, multi-parameter view
Accuracy Class	Class 1 (Active energy)
Energy Measurement	Active energy (forward + reverse)
Pulse Output	1 channel, opto-isolated (1000 imp/kWh)
Communication Interface	RS485
Communication Protocol	Modbus-RTU
Multi-Rate Support	4 tariffs, 14 time intervals, 4 time zones
Auxiliary Power Supply	AC/DC 85–265V or DC 100–350V
Mounting	35mm DIN-rail
Dimensions	Compact single-module width
Operating Temperature	-25°C to +60°C
Humidity	≤95% RH, non-condensing
Altitude	≤2000m

Functions

• Real-time voltage, current, power, and frequency monitoring
• Active energy accumulation and reverse power recording
• Pulse output for external counting and billing systems
• RS485 Modbus interface for SCADA, EMS, or BMS integration
• Multi-tariff billing capability (time-of-use metering)
• On-screen parameter configuration and real-time alerts
• Optional overload alarm and anti-tamper sealable terminal cover

Applications

• Apartment-level metering
• Commercial facility energy monitoring
• Sub-metering in data centers and factories
• Machine/equipment energy usage analytics
• Renewable energy generation and billing 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.