Features: Advanced LCD Display: The DTS6619 model includes a 6+1 digit LCD digital display with a backlight, ensuring easy readability even in low-light conditions. High Accuracy: Provides an impressive 1.0 accuracy level for precise and reliable readings every time. Efficient Energy Measurement: Accurately monitors power consumption with a reference current of 3 X 10(100A). Durable Material Composition: Crafted from robust metal and ABS materials, this power meter ensures lasting performance and durability. Wide Operating Range: Seamless operation at temperatures ranging from -20 to 55 degrees Celsius. Three-Phase Four-Wire Electronic Type: Employs advanced technology for accurate and efficient readings across multiple phases and wires. Specifications: Brand Name: SINOTIMER Model Number: DTS6619 Material: Metal, ABS Reference Voltage: 3 X 220/380(V), 3 X 230/400(V) Reference Current: 3 X 10(100A) Rated Frequency: 50/60 Hz Constant Pulse: 400imp / kWh Display: LCD 6+1 Power Consumption: ≤2W, 10VA Starting Current: 0.004Ib Operating Temperature Range: -20 ~ 55° Storage Temperature Range: 25 ~ 70° Operating Voltage Range: 0.9-1.1 Rated Voltage Utmost Voltage Range: 0.8-1.15 Rated Voltage Annual Average Humidity: ≤75% Dimensions: Approx. 10.1 X 7.6 X 6.5cm / 3.97 X 2.99 X 2.55in Weight: 400g Max Operating Current: 100A Measuring Energy Range: 0.0-999999.9kwh Power Supply: AC Output Voltage: 380v ac Rated Voltage: 380v ac Phase: Three phase Optional Shell Color: White / Transparent Package Includes: 1 x SINOTIMER DTS6619 Energy Meter (Shell color as your choice) 1 x English Operation Manual