Elspec – G4500 3 Phase Portable Class A Power Quality Analyser

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The innovative design of the BLACKBOX analyzers series is a technological breakthrough providing the perfect Power Quality?Analysis solution.
Its? enhanced capabilities are uniquely adaptable to address the individual needs & requirements for any business and, or application.

Power Quality

  • Continuous waveform recording
  • Harmonics up to the 511th harmonic, odd/even
  • Flicker measurement
  • DipsSwell
  • Transient recorder (> 20 ?s)
  • RMS 1/2 Cycle Recording
  • Imbalance

PQZIP Continuous Waveform Recording

  • Harmonics bandwidth up-to 25kHz
  • Trigger free setup
  • 5,000 power parameters @ 1/2 cycle resolution
  • Easy deployment


  • TCP/IP
  • HTTP
  • FTP (File transfer)
  • NTP (time synchronisation)
  • SMTP (email function)
  • DHCP

Power Quality Compliance

  • EN50160
  • GOST
  • FOL
  • NRS 048
  • IEEE 519


  • 3?X Ethernet Ports
  • PoE in/out
  • RS485
  • Wi-Fi 802.11g

Time Synchronization

  • GPS 10?s
  • IRIG B 10?s
  • SNTP 100?s
  • Utilities (Transmission, distribution, generation)

  • Optimizes protective equipment configuration and substation automation solutions
    Ensures a reliable & consistent supply of energy
    Evaluates the performance of breakers and relays
    Identifies and manage peak demand
    Monitors  power quality in real time to meet any international standard
    Produces detailed & comprehensive statistical records
  • Energy Consumer (Critical power, industrial, commercial, government etc.)

  • Measures & analyzes system efficiency, provides solutions and increases profits
    Negotiates capabilities with power providers
    Detects electric bill inconsistencies
    Avoids PQ compliance issues
    Enables real time power quality monitoring and analysis

Continuous Waveform Recordings

Exclusively on the BLACKBOX series!

The G4K power quality analyzer is able to record and store all electrical waveform continuously for more than a year, with no gaps in the data. In addition, it calculates RMS, harmonics and any other value from waveformsin post-processing including calculations for more than 10,000 parameters. Get a clear picture of the conditions before, during, and after an event.

Voltage Sampling Rate, Maximum Samples/Cycle 1024
Current Sampling Rate, Maximum Samples/Cycle 256
Voltage Harmonics (Individual, Even, Odd, Total) Up to – 511TH
Current Harmonics (Individual, Even, Odd, Total) Up to – 127TH
Type of Analog to Digital Converter 16/201 bit
Internal Memory 32 GB
Transient Detection, Microseconds (50Hz/60Hz) 19.5/16.3μs
Ethernet Ports 3
Wi-Fi Communication (802.11g) 1
Power Over Ethernet (PoE- Out) 1
Voltage Ride Through on Power Loss (up to) 25 sec.
Control Comprehensive web server for local and remote real-time monitoring and control
Applicable Measurement Standards EN50160, IEEE1159, IEEE519, IEC61000-4-15, IEC61000-4-7, IEC61000-4-30 Class A
Applicable EMC Standards EN61326, CFR47FCC, CISPR11 Group 1, FCC PART 15 Subpart B,
EN61010-2, IEC61000-3-3, IEC61000-4-2, IEC61000-4-3,
IEC61000-4-4, IEC61000-4-5, IEC61000-4-6, IEC61000-4-11
Applicable Environmental Standards IEC60068-2-1, 2, 6, 27, 30, 75
Safety Standards EN61010-1:2001 2nd Edition


Channels 3 Phase + Neutral + 1 DC
Nominal Full Scale 1000V
Maximum Peak Measurement 8kV
Input Impedance 3M
Uncertainty 0.1% of Nominal
Channels 3 Phase + Neutral + 1Grn/DC
Current Channels Receive From Clamp I1-I4: 0-10 VPk I5: 0-3 VPk
Uncertainty 0.1% ±0.1mV
Fundamental Frequency 42.5 Hz to 69 Hz
Frequency Resolution 10 mHz
Frequency Accuracy ±10 mHz
Dimensions 314mm X 84mm X 271mm
Weight 3.7Kg
Power Supply
Operating Range 100-260 VAC: 50/60 Hz 100-300
Auxiliary DC Supply 48 Vdc
Auxiliary Supply PoE In According to 802.3af
 Battery Backup  2 Hours
Real Time Clock ±1 Second per 24 Hours
GPS 100-200μs
IRIG B 100-200μs
SNTP Server 50-100μs
DCF-77 ±15ms
Environmental Conditions
Operation Temperature 0°C to 50°C(32°F to 122°F)
Storage Temperature -20°C to 60°C(-40°F to 140°F)

Additional information