LCD Prepayment Energy Meter Card Meter DDSY Electric Prepayment Watt-hour Meter With Cards

Package Included: 1 x Prepayment Energy Meter Features: Energy metering function Monitoring function Battery stacking function Maximum load control Anti-theft function Identification function In-table data writeback function Data retention Specifications: Type: A Energy Meter(One-Card to One-Energy-Meter) B Energy Meter(More-Cards to One-Energy-Meter) C(USB Type Card Reader) - Energy Meter Rated Current: 10(40)A, 15(60)A, 20(80)A, 30(100)A Phase: Single-phase Material: Metal + Plastic Model: DDSY735 Accuracy: 1.0 Grade Reference Voltage: 220V 50Hz Constant Pulse: 1600imp/kWh, 800imp/kWh Power Consumption: 2.5W, 2VA Display: LCD Backlight Digital Display Average Humidity Value: 85% (at 23) Measuring Range: 000000.00~999999.99kWh Communication Interface: RS485(A+ B-) Environment Temperature: -10 ~ +50 Pulse Width: 8020ms Functions: Display electricity, voltage, current, frequency - Card Reader Full speed USB communication driverless With indicator light, non-slip base, easy to plug Provide programming examples and demos for easy development and testing