Customization: | Available |
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Warranty: | 3 Years |
Display: | Digital |
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AT181Y Digital Three Phase Multi-functional Power & Harmonic Analyzer is an ideal device for power monitoring. The meter can measure and display current, voltage, frequency, active power, reactive power, apparent power, forward and reverse active power, forward and reverse reactive power, power factor, compound rate, 2-31th harmonics in the power grid. It is suitable for the distributed detection of transformers, generator sets, capacitor sets and motors, and the on-site monitoring of power grids and automation control systems.
This series of multi-function power meters can replace many traditional analog or digital measuring instruments (such as ammeter, voltmeter, power consumption 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 multi-function power 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:
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 |
Harmonic Analysis | |
Voltage | Three-phase voltage harmonics |
Current | Three-phase current total harmonics |
Subdivision | 2~31th subharmonic |
Power measurement | |
active power | forward/reverse active power |
Reactive power | Positive/reverse reactive power |
Communication function
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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 |
Overload | 1.2 times continuous, 2 times (10s) | ||
Power consumption | <0.4VA/Phase | ||
Impedance | ≥200kΩ | ||
Current | Rated | AC 5A(0.02A-6A) | |
Overload | 1.2 times continuous, 10 times (10s) | ||
Power consumption | <0.2VA/Phase | ||
Impedance | ≥0.1Ω | ||
Frequency | 45Hz~65Hz | ||
Switching input | Dry contact input, photoelectric isolation | ||
Output | Switching output | Relay output(Volume:5A/250VAC,5A/30VDC);
can set any alarming power, default remote control |
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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 | ||
Harmonics | Voltage, current total harmonics | ||
Voltage, current 2-31th sub-harmonic | |||
Environment
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Temperature | Operation temperature: -20ºC~55ºC, Storage: -25ºC~70ºC | |
Humidity | ≤90%RH, non-condensing, no corrosive air | ||
Altitude | ≤2500m | ||
Insulation resistance | ≥100MΩ | ||
Frequency withstand voltage | 2kV/1min (test voltage is AC rms, between input/shell/power supply) | ||
IP Class | IP40(Panel IP52) | ||
Average trouble-free operation time | ≥50000h | ||
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 |