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Blackbox G4420 PQ Analyser
  • Blackbox G4420 PQ Analyser
  • G4420 Fixed Power Quality Analyser
  • G4420 Fixed Power Quality Analyser

Blackbox G4420 PQ Analyser + 1 Multi I/O Module

Elspect PQ Analyser authorised distributor

Includes: Elspec G4420, Investigator S/w, PQScada s/w, Voltage Terminal Block Connector, RS485/422 Communication Terminal Block, 48VDC Terminal Block Connector, Temperature Sensor Terminal Block Connector, Clamping Yoke Holder on Rail 35mm FM 4.

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Exclusive only to the BLACKBOX, the G4420 + 1 Multi I/O Module is able to record & store all electrical waveforms, all the time, with no gaps in the data. It calculates RMS, harmonics, & all desired values from waveforms in post-processing that includes calculations of over 10,000 parameters. Obtain a clear & comprehensive picture of conditions leading up to, during, and after an event. The revolutionary G4420 BLACKBOX is the next generation in power quality analysers and provides accurate detection and isolation of power quality problems for effective preventive maintenance.

Each BLACKBOX measures the following all electrical, power and energy parameters: Voltage & current, per phase, average, unbalance, Frequency, Power & Energy - bi-directional, import, export, net, total, Demand - window, sliding window, Harmonics and Sub-cycle transient event recording.


8X Digital Inputs.
4X Digital Outputs.
3X Change Over Relays.
Sampling Range: Voltage 512 & Current 256 Samples per Cycle.
Voltage Harmonic Measurements: Up to 255TH.
Internal Memory: 4GB.
Ethernet Ports; 2.
Voltage Channels: 3 Phase & Neutral.
Nominal Full Scale: 1000V.
Current Channels: 3 Phase & Neutral.
Blackbox G4420 Warranty: 1 year.

Elspec Blackbox G4400 Series Specifications

Product Series




Voltage Sampling Rate, Maximum Samples/Cycle 256 512 1,024
Voltage Harmonics (Individual, Even, Odd, Total) Up to – 127TH 255th 511th
Type of Analog to Digital Converter 16/201 bit 16/201 bit 16/201 bit
Internal Memory 128 MB 4 GB 16 GB
Transient Detection, Microseconds (50Hz/60Hz) 78.1/65.1μs 39/32.5μs 19.5/16.3μs
Ethernet Ports 1 2 2
Power Over Ethernet (PoE- Out) 1 1
Voltage Ride Through on Power Loss (up to) 10 sec. 25 sec. 25 sec.
Applicable Measurement Standards EN50160, IEEE1159, IEEE519, IEC61000-4-15,IEC61000-4-7, IEC61000-4-30 Class A,IEC62053-22/23 Class 0.2.
Applicable EMC Standards EN55011 Group 1 Class A, EN61000-6-2, IEC60255EN60439-1 (clauses 7.9.1, 7.9.3, 7.9.4, 7.10.3, 7.10.4),FCC Part 15 Subpart B Class A, IEC61000-3-3.

Voltage Channels

Channels 3 Phase + Neutral.
Nominal Full Scale 1,000 V.
Maximum Peak Measurement 8 kV.
Input Impedance 3 MΩ.
Uncertainty 0.1% of Nominal.

Current Channels

Channels 3 Phase + Neutral.
Nominal Full Scale 5 A.
Maximum Peak Measurement 50 A.
Burden 0.0001 VA @ 5A.
Phase ±0.42° @ 3 A ±0.17° @ 5 A.
Uncertainty 0.1% of Nominal.

Frequency Measurement

Fundamental Frequency 42.5 Hz to 69 Hz.
Frequency Resolution 10 mHz.
Frequency Accuracy ±10 mHz.


Dimensions 175 mm x 232 mm x138 mm.
Weight 1.7 Kg.

Power Supply

Operating Range 100-260 VAC: 50/60 Hz 100-300 VDC.
Auxiliary DC Supply 48 VDC.
Auxiliary Supply – PoE In PoE In According to 802.3af.

Time Synchronisation

Real Time Clock 20 ppm.
GPS 100-200 μs.
IRIG B 100-200 μs.
SNTP Server 50-100 μs.
DCF-77 ±15 ms.

Environmental Conditions

Operation Temperature -20°C to 70°C (-4°F to 158°F).
Storage Temperature -40°C to 85°C (-40°F to 185°F).


Elspec G4400 Datasheet

PDF Brochure of the Elspec Blackbox G4400 Series PQ Analysers.

Download (1.68M)

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