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The AHM1 is designed to be used for the measurement and calculation of electrical variables such as voltage, current, frequency, power, power factor, energy, harmonic components, etc. Memory of 8 MB incorporated.
ELECTRICAL PARAMETER | UNIT | L1 | L2 | L3 | TOTAL | MAX/MIN | DEMAND |
---|---|---|---|---|---|---|---|
Voltage (Phase - Neutral) | V, kV | | | | | ||
Voltage (Phase - Phase) | V, kV | | | | | ||
Current | A, kA | | | | | | |
Neutral current | A, kA | | |||||
Active power (P) | kW, MW, GW | | | | | | |
Reactive power (Q) | kvar, Mvar, Gvar | | | | | | |
Apparent power (S) | kVA | | | | | | |
Power factor (Cos φ) | PF | | | | | | |
Frequency | Hz | | | ||||
Import active energy (EP+) | Wh, M Wh, G Wh | | |||||
Export active energy (EP-) | kWh, M Wh, G wh | | |||||
Import reactive energy (Eq+) | kvarh, M varh ,G varh | | |||||
Export reactive energy (Eq-) | kvarh, M varh, G varh | | |||||
Hour meter | h: min | | |||||
THD Current and Voltage | A, V | | | | |||
Harmonic RMS-U and I (1-31) | % | | | | |||
Unbalanced -U and I | % | |
INPUT | |
---|---|
Rated voltage (Un) | 3 x 400 / 690 V AC |
Overload | 1,2 Un |
Impedance | 1MΩ |
Rated current (In) | 1 A and 5 A |
Overload continuous | 2 In |
Overload instantaneous | 10 In/5s or 20 In/1s |
Burden | < 0,1 VA |
Rated value | < 2 0 mΩ |
GENERAL FEATURES | |
---|---|
Case material | ABS, UL94 V0 |
Dimensions | DIN 96 x 96 mm |
Terminals | Pluggable |
Max. wire section | 2,5 mm² General |
4 mm² Current(I) | |
Weight | 0,4 Kg |
Protection | IP 65 - front pane |
IP 20 - meter body | |
Operating temperature | -10 - 60 °C |
Storage temperature | -25 - 70 °C |
Relative humidity | 5 – 95 % |
AUXILIARY VOLTAGE | |
---|---|
Aux. V. AC/DC | 80 - 270 V |
Burden | < 10 VA |
OUTPUT | |
---|---|
Relay output | 250V/5A AC; 30V/5A DC |
Isolation | 2500 V AC |
Energy pulse width | 80 ± 20% ms |
RS-485 port | Modbus-RTU |
Baud rate | Up to 38400 bps programmable |
Connection | 2 wires |
Ethernet port * | TCP Modbus |
PARAMETER | OPERATING RANGE | ACCURACY |
---|---|---|
Voltage | 2,5-120 % | 0,2 % |
Current | 0,005-6 A | 0,2 % |
Active power | 1-120 % | 0,2 %** |
Reactive power | 1-120 % | 0,2 %** |
Apparent power | 1-120 % | 0,2 %** |
Power factor | ± 0,5 % | 0,5 % |
Frequency | 45-65 Hz | ± 0,01 Hz |
Active energy | 5-120 % | Class 0,5 S |
Reactive energy | 5-120 % | Class 2 |
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The AHM1 is designed to be used for the measurement and calculation of electrical variables such as voltage, current, frequency, power, power factor, energy, harmonic components, etc. Memory of 8 MB incorporated.
ELECTRICAL PARAMETER | UNIT | L1 | L2 | L3 | TOTAL | MAX/MIN | DEMAND |
---|---|---|---|---|---|---|---|
Voltage (Phase - Neutral) | V, kV | | | | | ||
Voltage (Phase - Phase) | V, kV | | | | | ||
Current | A, kA | | | | | | |
Neutral current | A, kA | | |||||
Active power (P) | kW, MW, GW | | | | | | |
Reactive power (Q) | kvar, Mvar, Gvar | | | | | | |
Apparent power (S) | kVA | | | | | | |
Power factor (Cos φ) | PF | | | | | | |
Frequency | Hz | | | ||||
Import active energy (EP+) | Wh, M Wh, G Wh | | |||||
Export active energy (EP-) | kWh, M Wh, G wh | | |||||
Import reactive energy (Eq+) | kvarh, M varh ,G varh | | |||||
Export reactive energy (Eq-) | kvarh, M varh, G varh | | |||||
Hour meter | h: min | | |||||
THD Current and Voltage | A, V | | | | |||
Harmonic RMS-U and I (1-31) | % | | | | |||
Unbalanced -U and I | % | |
INPUT | |
---|---|
Rated voltage (Un) | 3 x 400 / 690 V AC |
Overload | 1,2 Un |
Impedance | 1MΩ |
Rated current (In) | 1 A and 5 A |
Overload continuous | 2 In |
Overload instantaneous | 10 In/5s or 20 In/1s |
Burden | < 0,1 VA |
Rated value | < 2 0 mΩ |
GENERAL FEATURES | |
---|---|
Case material | ABS, UL94 V0 |
Dimensions | DIN 96 x 96 mm |
Terminals | Pluggable |
Max. wire section | 2,5 mm² General |
4 mm² Current(I) | |
Weight | 0,4 Kg |
Protection | IP 65 - front pane |
IP 20 - meter body | |
Operating temperature | -10 - 60 °C |
Storage temperature | -25 - 70 °C |
Relative humidity | 5 – 95 % |
AUXILIARY VOLTAGE | |
---|---|
Aux. V. AC/DC | 80 - 270 V |
Burden | < 10 VA |
OUTPUT | |
---|---|
Relay output | 250V/5A AC; 30V/5A DC |
Isolation | 2500 V AC |
Energy pulse width | 80 ± 20% ms |
RS-485 port | Modbus-RTU |
Baud rate | Up to 38400 bps programmable |
Connection | 2 wires |
Ethernet port * | TCP Modbus |
PARAMETER | OPERATING RANGE | ACCURACY |
---|---|---|
Voltage | 2,5-120 % | 0,2 % |
Current | 0,005-6 A | 0,2 % |
Active power | 1-120 % | 0,2 %** |
Reactive power | 1-120 % | 0,2 %** |
Apparent power | 1-120 % | 0,2 %** |
Power factor | ± 0,5 % | 0,5 % |
Frequency | 45-65 Hz | ± 0,01 Hz |
Active energy | 5-120 % | Class 0,5 S |
Reactive energy | 5-120 % | Class 2 |
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