Parameters Parameter Specification Product Series PowerLogic PM2100 Series Device Type High-Precision Multi-function Power Meter (with Digital Inputs) Commercial Reference PM2125C2DI2R0 Measurement Inputs Voltage: 3-phase + Neutral. Current: 3 current inputs (via external CTs). System Compatibility Three-phase 3-wire or 4-wire systems. Key Measurements • Volts, Amps, Frequency, Power Factor • Active, Reactive, Apparent Power (kW, kVAR, kVA) • Active & Reactive Energy (kWh, kVARh import/export) • Demand • Harmonics: THD and individual harmonics (likely up to 31st). Accuracy Class (Critical) Active Energy: Class 0.2 per IEC 62053-22 (as suggested by "C2"). Digital Inputs 2 Digital Inputs (as per "DI2") for dry contact status monitoring or pulse counting (e.g., from water/gas meters). Relay Outputs 0 Relay Outputs (as per "R0"). For alarm/control outputs, a different variant (e.g., R1, R2) would be required. Display Integrated LCD display. Communication Ports Typically includes RS-485 (Modbus RTU) and may have options for Ethernet or other protocols. Power Supply Wide range AC/DC supply (e.g., 85-265 V AC/DC). Mounting DIN-rail mounting. Operating Temperature -25°C to +70°C. Standards & Certifications CE, UL, cUL, IEC 62053-22, RoHS.