PQ Meters - Class A

하이라이트

Additional voltage and current measurement channels in comparison with other standard three-phase devices.
Current inputs for CTs or for clamps to grant an accurate current measurement.
Continuous monitoring of the power quality and Class A certified measurements for voltage characteristics.
Simultaneous recording of events, Min/Avg/Max LOG and energy counters.
Several possibilities for instrument data transmission: Ethernet, WIFI, Modbus RTU/TCP, USB.
User-friendly instrument web interface with multilingual pages.

어플리케이션
- Power monitoring & control systems
- Switchboards, gensets, motor control centers, etc.
- Individual machine load monitoring
- Power demand analysis and management
- Harmonic monitoring
- Remote metering and cost allocation
- Motor inrush current studies
  
  Related products
  
  PQM-Tool Class A monitoring software tool
  
  PQM-Analyzer for data analysis according EN 50160
  
  Specifications for IEC/EN 61000-4-30 compliance
  
  Frequency (5.1)
  Uncertainty ±10 mHz
  Measuring range 42.5 Hz - 57.5 Hz, 51Hz - 69 Hz
  
  Magnitude of supply voltage (5.2)
  Uncertainty ±0.1% of U_din
  Measuring range 10% - 150% of U_din
  
  Flicker (5.3)
  Uncertainty ±5% of reading
  Measuring range 0.2 - 10 P_st
  
  Supply voltage dips and swells (5.4)
  Uncertainty Magnitude: ±0.2% of U_din
  Duration: ±1 cycle
  
  Voltage interruptions (5.5)
  Uncertainty Duration: ±1 cycle
  
  Unbalance (5.7)
  Uncertainty ±0.15%
  Measuring range 0.5% - 5% u₂ 0.5% - 5% u₀
  
  Harmonics (5.8)
  Uncertainty IEC/EN 61000-4-7 Class I
  Measuring range 10% - 200% Class 3 of IEC/EN 61000-2-4
  
  Interharmonics (5.9)
  Uncertainty IEC/EN 61000-4-7 Class I
  Measuring range 10% - 200% Class 3 of IEC/EN 61000-2-4
  
  Mains signalling (5.10)
  Uncertainty ±5% of reading with measuring range 3%-15% of U_din
  ±0.15% of reading with measuring range 1%-3% of U_din
  Measuring range 0% - 15% of U_din
  
  Harmonics (5.5)
  Uncertainty Magnitude: ±0.2% of U_din
  
  Harmonics (5.8)
  Uncertainty Consistent with "Magnitude of supply voltage (5.2)"
  Measuring range 10% - 150% of U_dinSpecifications
  
  Power supply
  Auxiliary power voltage: 85...285 VAC 50/60 Hz / 65...250 VDC
  Auxiliary power consumption: 15 VA max
  Fuse: 250 VAC / 500 mA T type delayed
  Backup battery: Li-Ion, 2500 mAh (>15 min autonomy)
  
  Measurement inputs
  Three-phase voltage inputs for direct connection / PT: P-N: max 580 V RMS CAT III, L-L: max 1000 V RMS CAT III
  U4 voltage input for direct connection: max 580 V RMS CAT III
  Voltage input crest factor: 2
  Voltage input impedance: >2 MÎ©/phase
  CT model - CT secondary: selectable 1A, 5A RMS
  CT model - maximum current: 7A RMS
  CT model - CT input burden: 0.04 VA
  Clamp model - clamp output full scale: selectable 1V, 3V RMS
  Both models - crest factor: 3
  Frequency range: 42.5...57.5 Hz / 51...69 Hz
  Frequency reference channel: Phase 1/Line 12 voltage
  Sampling: Simultaneous, 51.2 kHz @50 Hz
  
  Accuracy
  Three-phase voltage: ±0.1% Un over 10 ... 150% U_n range
  U4 voltage: ±0.2% measurement
  Currents: ±0.2% measurement (device)
  Powers: ±0.2% measurement
  Frequency: ±8 mHz
  Harmonics: Class 1 (IEC/EN 61000-4-7)
  Realtime clock (RTC): <1s in 24h without synchronisation; <5ms with GPS synchronisation
  Active energy: Class 0.5S, compliant to IEC/EN 62053-22
  Reactive energy: Class 1, compliant to IEC/EN 62053-23
  
  I/O channels
  Digital inputs: 4 optoisolated, 24 VDC ±20%
  Digital outputs: 4 passive optoisolated (PhotoMOS), 24 VDC-50 mA
  Analog outputs: 4 optoisolated, 4 ... 20 mADC, max load 500 Î©
  Digital input delay time: max 10 ms
  Digital input consumption: max 7 mADC
  Digital output delay time: In alarm mode, max. 200 ms
  Digital output pulse time: In pulse mode, 50 ms±2
  Analog output reaction time: max 200 ms
  
  Memory
  System memory: 128 MB Flash, 256 MB RAM
  Recording memory: 4 GB (16 GB optional)
  
  Communication
  Ethernet ports: 2 Auto MDIX RJ45 10/100 Base Ethernet
  RS485 port (slave): Optoisolated, 0.5UL, 2400"¦115200bps
  WIFI antenna: Passive antenna, SMA connector on rear panel
  GPS antenna: Active patch antenna, remote powered, SMA connector
  Protocols: HTTP, HTTPS, FTP, SFTP, NTP, NMEA, Modbus TCP, Modbus RTU
  USB port: USB 2.0 A type socket, high speed 480 Mbit/s
  
  RTC Synchronisation
  Synchronisation system: NTP and/or GPS
  
  Environmental conditions
  
  Installation and use code: PQI-A-FI1
  Operating temperature (limit range): FI1, 3K6 -25 ... +55 °C
  Storage temperature: -25 ... +75 °C
  Relative humidity: 95% max without condensing
  Altitude: max 2000 m AMSL
  Mechanical characteristics
  Size: Front (LxH): 191x143 mm, Rear (LxHxD): 183x135x190 mm
  Weight: 1400 g
  
  Safety standards
  Product compliance: IEC/EN 62586-1, IEC/EN 62586-2
  Certification: Class A, IEC/EN 61000-4-30:2015 Ed.3 for voltage
  Safety: CAT III power supply, insulation class 2, 600 V
  Directive: 2006/95/EC LV, EN 61010
  EMC: 2004/108/EC EMC, EN 50081-2, EN 50082-2, EN 61326/A1,
  EN 55011:1998+A1:1999+A2:2002,
  EN 61000-6-2/-4-2/-4-3/-4-4/-4-5/-4-6/-4-11