AQM2 class 0.2S power quality analyzer (IEC 61000-4-30 class A)
Country: Spain · Model: AQM2
The AQM2 power quality analyzer meters active and reactive energy to accuracy class 0.2S and measures quality indicators under IEC 61000-4-30 class A and EN 50160. It is the top model of the range and is installed on the LV side of 0.4 kV transformer substations, at plant incomers, in data centres, hospitals and renewable energy sites.
- Energy metering accuracy class
- 0.2S
- Quality standards
- EN 50160, IEC 61000-4-30 class A
- Memory
- 2 GB (events and waveforms)
- Rated voltage
- 230/400 V AC
Technical specifications
| Energy metering accuracy class | 0.2S |
|---|---|
| Quality standards | EN 50160, IEC 61000-4-30 class A |
| Memory | 2 GB (events and waveforms) |
| Rated voltage | 230/400 V AC |
| Current inputs | x/1 A, x/5 A |
| Current overload | 2 In continuous |
| Metering | kWh, kvarh in 4 quadrants |
| Communication | RS485 Modbus RTU; optional QM24 module — Ethernet, Modbus TCP, web server |
| Protection rating | front IP54, rear of case IP20 |
Specifications are taken from the manufacturer’s technical documentation. Updated .
Description
For remote monitoring of an electrical installation the device records voltage and frequency deviations, symmetrical components and unbalance, harmonics and interharmonics, flicker, rapid voltage changes, sags, overvoltages, interruptions and crest factor. Such records form the basis of power quality reports at the point of common coupling, at critical consumers and at generation sites. The voltage input is rated for 230/400 V AC, and the current inputs work from x/1 A or x/5 A transformers and withstand a continuous overload of 2 In. Energy in kWh and kvarh is metered in four quadrants, separately for consumption and export. The front panel has protection rating IP54, the rear of the case IP20, and the permissible relative humidity is 5–95 % without condensation. The standard RS485 port with Modbus-RTU is two-wire and galvanically isolated, and the QM11 module adds one more such port. The Modbus register map and the user manual are issued in English and Spanish.
How to choose
The AQM2 is chosen when the measurement must stand up to verification against the standard, that is, class A and 0.2S metering are needed. A measuring system for commercial and technical control is assembled together with current transformers of class 0.2S or 0.5S, because the CT error adds to the analyzer error. For technical metering of class 0.5S with harmonics up to the 31st, the panel AHM1 or AHM3 for 3×400/690 V AC is enough, and per-channel metering of up to 32 three-phase circuits is done by the SAM3000 / SAM3001.
Request a price and lead time
AQM2 class 0.2S power quality analyzer (IEC 61000-4-30 class A). We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What power quality disturbances does the AQM2 record?
The device works under EN 50160 and IEC 61000-4-30 class A and records sags, overvoltages, interruptions, flicker, unbalance, harmonics and interharmonics together with voltage and frequency deviations.
How much memory does the AQM2 have for events and waveforms?
The built-in 2 GB memory is allocated to the event log and waveforms, so the archive is kept even during breaks in the link with the server.
How is the AQM2 connected to SCADA over Ethernet?
The QM24 module is needed for this, which adds Ethernet with the Modbus-TCP protocol and a built-in web server. Without the module the standard RS485 Modbus-RTU port is available.
Does the AQM2 count energy exported to the grid by a solar power plant?
Yes, metering is done in 4 quadrants, separately for consumption and export (±kWh, ±kvarh) with accuracy class 0.2S, so the device suits incomers with their own generation.
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Send us a request and we will confirm the configuration, lead time and delivery terms. We reply by email.