AT180 Three Phase Multi-function Digital Energy Meter
Product Description
AT180 Three Phase Multi-function Digital Energy Meter is an ideal device for power monitoring. The instrument has the function of simultaneous measurement of current, voltage, frequency, active power, reactive power, apparent power, forward and reverse active power, forward and reverse reactive power, power factor, etc. in the power grid. It is suitable for the distributed detection of transformers, generator sets, capacitor sets and motors, as well as the on-site monitoring of power grids and automation control systems.
This series of multifunctional energy meters can replace many traditional analog or digital measuring instruments (such as ammeter, voltmeter, power meter, power factor meter, frequency meter, etc.), which can greatly reduce the system cost, facilitate field wiring and improve the reliability of the system. The multifunctional energy meter is equipped with a serial port, allowing connection to an open computer network; the application of Modbus communication protocol makes it easy for the computer to program settings or read data.
Main Features
- Three-phase power parameter calculation
- Modular design, flexible configuration of each function
- Adjustable voltage and current ratio
- Parameter setting locked with password, permanent power failure storage
- Support RS-485 communication, MODBUS-RTU protocol
- Adopt AC-DC dual-use power supply, high and low voltage isolation
- Digital tube high brightness display
- Simple and convenient installation and wiring
Product Parameters
| Measurement and metering | |
| Voltage | Phase voltage, line voltage |
| Current | Three-phase current |
| Active power | Split-phase and total active power |
| Reactive power | Split-phase and total reactive power |
| Apparent power | Split-phase and total apparent power |
| Power Factor | Phase-to-phase and total power factor |
| Frequency | 45-60Hz |
| Power measurement | |
| active power | forward/reverse active power |
| Reactive power | Positive/reverse reactive power |
| Communication function
|
|
| Communication protocol | MODBUS-RTU |
| Communication mode | RS485 |
| Parameters | Value | ||
| Applicable grid | 3 phase 4 wires, 3 phase 3 wires | ||
| Working power | Voltage range | AC/DC85~265V；DC18V~72V（Optional） | |
| Power consumption | <5VA | ||
| Accuracy Class | Active Power Class 1, others Class 0.5 | ||
| Input | Voltage | Rated | AC 100V、220V、400V |
| Power consumption | <0.4VA/Phase | ||
| Impedance | ≥200kΩ | ||
| Current | Rated | AC 5A(0.02A-6A) | |
| Power consumption | <0.2VA/Phase | ||
| Impedance | ≥0.1Ω | ||
| Frequency | 45Hz~65Hz | ||
| Switching input | Dry contact input, photoelectric isolation | ||
| Output | Switching output | Relay output；
can set any alarming power, default remote control |
|
| Analog output | 0~20mA/0~5V（Can be set） | ||
| Digital communication interface | RS485/Modbus-RTU | ||
| Pulse output | 1~2 channels electrical energy pulse，Four-quadrant power metering | ||
| Environment
|
Temperature | Operation temperature: -20℃~55℃, Storage: -25℃~70℃ | |
| Humidity | ≤90%RH, non-condensing, no corrosive air | ||
| Altitude | ≤2500m | ||
| EMC electromagnetic compatibility test | Electrostatic discharge immunity test | GB/T 17626.2-2006：test level 4, test voltage 8kV | |
| RF electromagnetic field immunity test | GB/T 17626.3-2006：test level 3, test field strength of 10V / m | ||
| Fast transient pulse group test | GB/T 17626.4-2008：test level 2, current voltage 1kV, other 500V | ||
| Surge (shock) immunity test | GB/T 17626.5-2008: test level 4, test voltage 4kV | ||
| RF field induction conducted harassment immunity test | GB/T 17626.6-2008: test level 3, test field strength of 10V / m | ||
| Voltage transients, short interruptions and voltage changes in the immunity test | GB/T 17626.11-2008：current and voltage test error qualified | ||
| Oscillation wave immunity test | GB/T 17626.12-1998：Class B ITE test, qualified | ||
Product Chart
