Enhance your DC power monitoring with this advanced DC Consumption Meter, expertly designed to accurately measure DC voltage, current, active power, frequency, and energy consumption. Compatible with multiple external shunt specifications, it supports current ranges of 50A, 100A, 200A, and 300A to suit a variety of measurement needs. Equipped with a reliable RS485 communication interface and utilizing the Modbus RTU protocol, this meter ensures seamless and efficient data transfer for industrial and professional applications. Key Features: · Comprehensive DC Measurement: Precisely monitors DC voltage (0.05-300V), current (0.02-300A), active power (0.2-90kW), frequency, and cumulative energy consumption (up to 9999kWh) with 1% accuracy. · Multiple Current Ranges: Supports interchangeable external shunts of 50A, 100A, 200A, and 300A, offering flexible adaptability to various current measurement requirements. · Reliable Communication Interface: Utilizes UART to RS485 physical layer communication at 9600 baud rate, 8 data bits, 2 stop bits, and no parity, ensuring stable and noise-resistant data transmission. · Modbus RTU Protocol Support: Compatible with key Modbus function codes (0x03, 0x04, 0x06, 0x41, 0x42), enabling integration with a broad range of industrial control systems. · Voltage Threshold Alarm: Configurable high and low voltage alarm thresholds to enhance system protection by notifying when voltage measurements exceed preset limits. · Compact and Durable Design: Measures approximately 9 x 6 x 2.3 cm with a lightweight build, making installation convenient in various setups. · Versatile Kit Options: Available in 10 different kits, including options with RS485 to USB cables and multiple shunt sizes, allowing customization to your specific application needs. Specifications: · Voltage Measurement Range: 0.05-300V (Independent power supply required for voltages below 7V) · Voltage Resolution: 0.01V · Voltage Accuracy: ±1% · Current Measurement Range: 0.02-300A (Dependent on external shunt) · Current Resolution: 0.01A · Current Accuracy: ±1% · Power Measurement Range: 0.2-90kW · Power Resolution: 0.1W · Power Accuracy: ±1% · Energy Consumption Range: 0-9999kWh · Energy Resolution: 1Wh · Energy Accuracy: ±1% · Communication Interface: RS485 · Working Temperature: -20°C to 60°C · Dimensions: 9 x 6 x 2.3 cm (3.5 x 2.4 x 0.9 inches) · Weight: Approx. 77g to 287g depending on model Package Options Include: · DC Consumption Meter · Optional RS485 to USB Cable · Optional External Shunts (50A, 100A, 200A, 300A) Note: This meter requires an external 5V power supply (>100mA) for operation through the RS485 interface. For test voltages below 7V, an independent 5V power source via USB is necessary (do not use PC USB ports for this purpose to avoid damage). Ideal for professional monitoring and management of DC electrical systems, this DC Consumption Meter delivers accurate data and reliable performance to optimize your power usage, enhance system safety, and streamline your energy management solutions.