Nero - Three Phase Smart IOT, Sigfox, Lorawan Electricity Meter (Box of 100)
Details:
The multi-tariff three-phase electronic meter is designed for metering active and reactive energy in forward and reverse directions in three-phase four-wire AC circuits with a frequency of 50 Hz.The meter is equipped with communication interfaces for operation in systems with remote sending of readings and possibility of simultaneous data collection using different communication technologies.
Features:
Sigfox, Lorawan, NB-IOT, Plug and Play & Nero UNB compatible
Active energy accuracy class 0.5S / 1; for reactive energy: 0.5 / 1;
Simultaneous collection of data via PLC and radio interfaces;
Communication interfaces: Radio (RF434 or RF868), GSM / LTE, RS-485, PLC, G3-PLC;
Removable GSM/LTE modem or DATD;
Records the mains frequency, current and voltage in each phase, angles between the vectors of phase voltages and vectors of phase currents of voltages, power factor in each phase;
Signals about tampering with the housing cover and the terminal block clipses, exceeding the energy and power limits;
Can be mounted on a DIN rail.
The Meter Measures and Displays:
Network frequency;
Current in each phase;
Voltage in each phase;
Angle between current and voltage in each phase;
Angle between phase voltages;
Power factor in each phase.
The Meter Controls:
Accounting for four energy profiles: active and reactive, forward and reverse directions with an interval of power integration of 1, 3, 5, 10, 15, 60 minutes;
Consumed active power direction with an interval power integration in 1, 3, 5, 10, 15, 60 minutes;
Instantaneous power consumption;
Active energy consumption limits;
Low current consumption;
Supply voltage;
Consumed currents;
Network frequencies;
Phase sequence;
Phase loss.
Lead Time:
8 - 10 Days.
Technical Specifications
Downloadable Documents
Accuracy class |
active energy 0.5S / 1 reactive energy 0.5 / 1 |
Rated voltage |
3х230/400V |
Working frequency range |
47,5 to 52,5 Hz |
Base (maximum) |
5 (10) А 5 (80) А 5 (100) А |
Meter constant |
1600, 8000 imp./ (kWh), imp./ (kvarh) |
Working range of input signals: - current strength - voltage - active power factor - reactive power factor |
0,05·Ib…Imax (0,8…1,15) Unom 0,8(capacity)…1,0…0,5(ind) 0,8(capacity)…1,0…0,5(ind) |
Starting current |
20 mА |
Impulse outputs |
2 |
Number of tariffs |
8 by active energy 4 by reactive energy |
Storage depth |
6144 readings |
Basic relative error when measuring rms values of phase voltages |
1.0 from 184 to 264.5 V |
Basic relative error when measuring rms current values in the phase circuit |
1,0 from 0.25 to 100 A |
Active power consumed in each voltage circuit |
3 W |
Full power consumed in each voltage circuit |
10 VA |
Optical and RS-485 exchange rate |
9600 bit/s |