AT180G-CT series three-phase rail-mounted power meter is a series of power meters for power parameter acquisition and analysis, which can support the measurement and analysis of a variety of power parameters, and at the same time can provide a variety of power parameter metering. This series of products can support a variety of power grid environment to achieve the measurement and analysis of power parameters, real-time power monitoring system and other applications. This series of products have RS485 communication interface, which can conveniently realise the remote data reading function, and at the same time, it adopts LCD display, which can conveniently carry out the local viewing and setting operation of various measurement parameters, and the product has password protection function, which ensures the data security of the product.
Main Features:
- Multifunctional parameter measurement
- Support bi-directional power metering
- Support direct access type, CT variable ratio access
- Support 1-channel pulse optocoupler output interface, output parameters configurable
- Support RS485 communication function, support Modbus RTU protocol
- Standard 4-mode digital width, TH35-7.5 type din rail mounting
- Large LCD display, white backlight, backlight lighting time adjustable
- LCD refresh time: 1 second, support manual page turning and automatic display rotation (can be set to switch)
| Measured voltage |
Phase voltage, line voltage |
| Current |
| Frequency |
| Active phase power and total power |
| Reactive phase power and total power |
| Apparent Phase Power and Total Power |
| Split-phase and average power factor |
| Split-phase contact temperature and ambient temperature |
| Residual current, (through transformer) |
| Power measurement |
Forward and reverse active power |
| Forward and reverse reactive power |
| Communication mode |
RS485 |
| Parameters |
Value |
| Applicable Grid |
3 phase 4 wires, 3 phase 3 wires |
| Working power |
Voltage range |
AC/DC85~265V |
| Power consumption |
<5VA |
| Accuracy Class |
Voltage, current |
±0.5% |
| Power |
±1% |
| Power Factor |
±1% |
| Frequency |
±0.2 |
| Electricity |
±1% |
| Frequency |
45Hz~65Hz |
| Pulse constant |
400imp/kWh |
| EMC electromagnetic compatibility test |
Electrostatic discharge immunity test |
GB/T 17626.2-2006:test level 4 |
| RF electromagnetic field immunity test |
GB/T 17626.3-2006:test level 3 |
| Fast transient pulse group test |
GB/T 17626.4-2008:test level 4 |
| Surge (shock) immunity test |
GB/T 17626.5-2008:test level 4 |
| RF field induction conducted harassment immunity test |
GB/T 17626.6-2008:test level 3 |
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