Deye pairs its inverters with DIN-rail energy meters for zero-export control and consumption monitoring: the single-phase CHNT DDSU666 (60 A direct) and Eastron SDM230-Modbus (100 A), and the three-phase CHNT DTSU666 (80 A), Eastron SDM630-Modbus V2 (100 A) and SDM630 MCT V2 for CT measurement up to 9,999 A.

All meters measure grid voltage, current, frequency, active and four-quadrant reactive energy with Class 1 active-power accuracy, display values on a local LCD and report to the inverter over RS485 Modbus. The compact DIN 35 mm format makes installation in the distribution board quick, enabling accurate self-consumption management in Deye hybrid and on-grid systems.