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AMC series programmable intelligent meters, adopting AC sampling technology, can directly or indirectly measure electric voltage and current of single-phase or three-phase grid. It can be used for local display, and connecting industrial control devices to form measuring control systems.
Panel overview
Function | Description&Value | |
Measurement | Three-phase AC kWh, kVarh, Active Power, Reactive Power, Forward&Reverse Power, Current, Voltage, Zero Sequence Voltage, Zero sequence Current, Voltage-phase Angle, Voltage&Current Unbalance, Power Factor,Harmonic, Frequency | |
Display | LCD display | |
Communication (Optional) | RS485,Modbus-RTU protocol;(1 start bit,8 data bit,1 stop bit,no parity) Baud Rate 1200~38400 bps etc. | |
Alarm Output (Optional) | 1 channel passive relay,contact capacity 3A/30VDC,3A/250VAC, Used for high,low,unbalance alarm etc. | |
DI/DO Switching (Optional) | DI (Digital input): 2-channel or 4-channel dry contact digital input with built in power supply DO (Digital output): 2-channel digital output with NO relay contact. Capacity: 3A/30V DC,3A/250V AC | |
Input | Rated Voltage | AC Voltage Input: 400V AC L-L (via direct connetion); 100V AC L-L (via -/100V AC PTs) |
Rated Current | AC Current Input: 5A AC or 1A AC (via -/5A AC or -/1A AC CTs) | |
Overload | Current&Voltage input overload:1.2 times rated value(continuous); 10 times rated value /1 second | |
Measuring Accuracy | Voltage | 0.2% |
Current | 0.2% | |
Active Power | 0.5% | |
kWh | 0.5% | |
kVarh | 1.0% | |
Frequency | ±0.05Hz | |
Power Supply | Voltage Range | |
Power Consumption | ||
Insulation resistance | ≥ 100MΩ | |
Power frequency withstand voltage | Between Power supply//Switching Output// Current Input//voltage Input and Transmitting// Communication //Pulse Output//switching input AC 2 kV 1min; Between Power supply,switching output,Current Input,voltage Input AC 2 kV 1min; Between Transmitting,Communication,Pulse Output,switching input AC 1kV 1 min; |