AMC series meters adopt AC sampling technology, which can measure the current ,voltage,power, power factor and electric energy parameters in the power grid separately.
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. |
Analog Output (Optional) |
1~5V DC or 4~20mA DC |
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 |
Parameter |
Description&Value |
|
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 |
|
Frequency |
45~65Hz |
|
Power Consumption |
Power consumption of each current&voltage input circuit is less than 0.5VA |
|
Measuring Accuracy |
Voltage |
0.2% |
Current |
0.2% |
|
Active Power |
0.5% |
|
Reactive Power |
1.0% |
|
kWh |
0.5% |
|
kVarh |
1.0% |
|
Frequency |
±0.05Hz |
|
Harmonic |
±1% |
|
Power Supply |
Voltage Range |
85-265V AC/DC; 24V or 48V DC (±20%) |
Power Consumption |
≤10VA |
|
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; |
Condition |
Description&Value |
Temperature |
Operation: -25℃~+65℃; Storage: -40°C ~+80°C |
Humidity |
≤95%RH,no condensation,without corrosive gas |
Altitude |
≤ 2500m |