Jiangsu Acrel Electrical Manufacturing Co., LTD.
SAFE SMART GREEN
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This multifunction power meter is featured by small size, high accuracy and easy installation. It has functions including all electrical quantities measurement, electric energy calculation and management, single channel residual current measurement, and total harmonics (within 21 times) measurement. Remote communication and remote control functions can be realized due to the design of digital input and relay output. This energy meter is equipped with RS485 communication interface and configurable with Modbus RTU protocol, it is widely applied in a variety of control systems, SCADA systems and energy management systems.
Technical parameter
| Specification | 3 phase 3 wires, 3 phase 4 wires | |
| Voltage | Reference voltage | 3×100V, 3×380V,3×57.7/100V, 3×220/380V |
| Consumption | <10VA(Single phase) | |
| Impedance | >2MΩ | |
| Accuracy class | Error±0.2% | |
| Current | Input current | 3×1(6)A (second connection with 3- phase load line via extra selected CTs) 3×10(80)A (direct connection with 3-phase load line via CTs built in ADL3000-E) |
| Consumption | <1VA(Single phase rated current) | |
| Accuracy class | Error±0.2% | |
| Power | Active, reactive, apparent power, error±0.5℅ | |
| Frequency | 45～65Hz, Error±0.2% | |
| Temperature | -40℃～99℃ | |
| Energy | Active energy(Accuracy class:0.5, 1), reactive energy(Accuracy class 2) | |
| Clock | ≤0.5s/d | |
| Energy pulse output | 1 active optocoupler output, 1 reactive optocoupler output | |
| Switching output | 1 Switching output | |
| Switching input | 1 optocoupler input | |
| Width of pulse | 80±20ms | |
| Pulse constant | 6400imp/kWh,400imp/kWh(Correspond with the basic current) | |
| Interface and communication | RS485:Modbus RTU | |
| Range of communication address | Modbus RTU:1~ 247； | |
| Baud rate | 1200bps~19200bps | |
| Relative temperature | -25℃~+55℃ | |
| Relative humidity | ≤95℅(No condensation) | |
| Multi-rate/Flexible Tariff ● 4 Time zone ● 4 Tariff rate (Spike, Peak, Flat, Valley) ● 2 Time period list ● 14 Time period by day ● Data Frozen (last 48 months or last 90 days) ● Max demand and occurrence time | |
| 2 Channel RS485 Communication ● Protocol: MODBUS-RTU ● 1 channel RS485 or 2 channel RS485 both optional | |
| DO/DI Switch ● 1 channel DO ● 1 channel DI | |