Overview: Chinese Name: Multifunction Power Meter English name: Multi function power meter Multifunction Power Meter is a programmable measurement, display, digital communication and power transmission output pulse multi-functional intelligent instruments, to complete the power measurement, energy measurement, data display, acquisition and transmission, Multifunction Power Meter is widely used in substation automation, distribution automation, intelligent building, internal energy measurement, management and evaluation. Measurement accuracy of 0.5, there can achieve LED display and remote RS-485 digital interface for communication with MODBUS-RTU protocol. Suitable for distribution cabinet, intelligent buildings. Technical parameters: Input voltage measurement shows the network of three-phase three-wire, three-phase four-wire voltage rating AC100V, 400V (please specify when ordering) Overload Duration: 1.2 times the instantaneous: 2 times / 10s Power <1VA (per phase) Impedance> 300kΩ RMS measurement precision, accuracy class 0.5 current rating AC1A, 5A (please specify when ordering) Overload Duration: 1.2 times the instantaneous: 2 times / 10s Power <0.4VA (per phase) Impedance <20MΩ RMS measurement accuracy, precision Level 0.5 Frequency 40 ~ 60Hz, 0.1Hz precision function active, reactive, apparent power, precision 0.5 four-phase power metering limit, precision 0.5 active and reactive power accuracy of a programmable display, switching, power cycle the LED display work range AC, DC 80 ~ 270V power ≤5VA output digital interface RS-485, MODBUS-RTU protocol Pulse output 2-way power pulse output, opto isolated environment working environment -10 ~ 55 ℃ Storage environment -20 ~ 75 ℃ Safety resistance voltage input and power supply> 2kV, the input and output> 2kV, power supply and output> 1kV Insulation input, output, power on the chassis> 5MΩ dimensions (length, width, depth mm) 120 × 120 × 80 96 × 96 × 78 80 * 80 * 7672 * 7448 * 72 * 48 * 86