Three phase power quality analyzer with 6000A current probe

power quality analyzer

GF438II handheld three phase power quality analyzer offer the best ability in power quality analysis, GF438II handheld power quality analyzer help locate, predict, prevent and troubleshoot power quality problems in three phase and single phase power distribution systems. Additionally, GFUVE patented energy loss algorithm, unified power measurement, measuring and counting energy losses due to harmonics and unbalance issues, allowing the user to pinpoint the origin of energy losses in the system.

 

Features

  • 3s statistical interval, continuously record 168h
  • Support multi-brand current transformer
  • Up to 32G data storage space
  • Record up to 461 power energy parameters simultaneously
  • Up to 10000 screenshots saved
  • Support periodic recording function
  • Up to 3.9M/s USB high-speed transfer
  • Recording wave
 

Functions

  • Energy loss calculator: classic active and reactive power measurements, unbalance and harmonic power, are quantified to pinpoint true system energy losses in dollars (other local currencies available).
  • Power inverter efficiency: simultaneously measure AC output power for power electronics systems.
  • Power wave data capture: GF438II analyzers capture fast RMS data, show half-cycle and waveforms to characterize electrical system dynamics (generator start-ups, UPS switching etc.).
  • Waveform capture: GF438II capture 50/60 cycles (50/60Hz) of each event that is detected in all modes, without set-up
  • Automatic transient GF438II analyzers capture 200 kHz waveform data on all phases simultaneously up to 1000V.
  • Fully class-A compliant: GF438II analyzers conduct tests according to the stringent international IEC 61000-4-30 class-A standard.
  • Mains signaling: GF438II analyzer measure interference from ripple control signals at specific frequencies.
  • Troubleshoot: analyze the trends using the cursors and zoom tools.
  • Highest safety rating in the industry: 600 V CAT IV/1000 V CAT III rated for use at the service entrance.
  • Measure all three phases and neutral: with included four flexible current probes with enhanced thin flex designed to fit into the tightest places.
  • Automatic trending: every measurement is always automatically recorded, without any set-up.
  • System-monitor: ten power quality parameters on one screen according to EN50160 power quality standard
  • Logger function: configure for any test condition with memory for up to 600 parameters at user defined intervals.
  • View graphs and generate reports: with included analysis software.
  • Battery life: up to 5 hours operating time per charge on Li-ion battery pack.
 

Parameters

Name Measurement type
Voltage rms, ava, pk+, pk-, rms-1/2, CF
Frequency Freq
Current rms, ava, pk+, pk-, rms-1/2, CF
Power & energy P, S, Q, PF, DPF, W
Computation THD, DC, 1-63 Harm, 1-62 InHarm, 1-35 HiHarm, 1-62 SubHarm
Voltage harmonic THD, DC, 1-63 Harm, 0-62 InHarm, 1-35 HiHarm, 1-62 SubHarm , KF
Current harmonic THD, DC, 1-62 Harm
Harmonic power Ia, Ib, Ic, ΣPtotal, ΣQtotal, ΣStotal, 15 minutes
Fluctuation and flickering PST, PLT, Fluct, Fluct Max
Unbal V Pos, A pos , V neg , A neg , V zero, A zero, Unbal
Event log Voltage swell, voltage sags, DIP, surge current, voltage and current
distortion out of limit, odd harmonics containing rate out of
limited, unbalanced voltage current out of limit, frequency out of limit, PST out of limit, PLT out of limit, long-term voltage interruption, voltage fluctuation deviation, voltage harmonics out of
limit, 2-25st harmonicsout of limit
P, Q, S name Measurement type
Measurement types P: Calculate by every 10 cycles
S: Calculated by the effective value of voltage and current
Q: Calculated by the apparent power, active power
Display Table charts, trend chart
Measuring range According to the range of the voltage and current
Resolution 0.001W
Accuracy ±0.5%
Urms Measurement type
Mode 'Calculated by the square root value of 10/12 cycle
Measuring circuit 1P2W/ 2P3W /3P3W/ 3P4W
Basic frequency of the measuring circuit 50Hz, 60Hz
Input channels 4 phase voltage, 4 phase current
Display mode Effective current value of each channel
Range 120V, 230V, 400V, 1000V, Max 1000V instantaneous voltage
Resolution 0.001V
Accuracy 0.1% RG
Arms Measurement type
Mode 'Calculated by the square root value of 10/12 cycle
Display mode Effective current value of each channel
Range Current: according to the current clamps
Option Current clamps:5A/50A/100A/500A/1000A
Flexible Current probe: 1000A/3000A/6000A
Resolution 0.001A
Accuracy 0.1% + accuracy of the current clamps
Frequency Measurement type
Measurement mode Calculate by 10 cycles (50Hz) or (60Hz)
Display mode Measurement by 10 cycles
Nominal frequency/resolution 50.000Hz/0.001Hz or 60.000Hz/0.001Hz
Bandwidth measurement 42.5-57.5Hz or 52.5-67.5Hz
Accuracy ±0.001Hz
Half-wave RMS current/voltage Measurement type
Measurement mode Calculate by every 2 cycles. Each cycle ,1/2 cycle made up of a
waveform calculation
Measuring range/resolution Voltage: 120V/0.01V, 230V/0.01V, 400V/0.01V, 1000V/0.01V,
Current: According to the current clamps
measurement accuracy ±0.1%
Power factor Measurement type
Measurement mode The ratio of average power to apparent power
Display mode Real-time data showed
Measurement range/resolution -1.000-1.000/0.001
Accuracy ±0.1%
Vfund, Afund, Harmonic power Measurement type
Measurement mode Meet IEC61000-4-7,Analysis time window is ten cycles
Window points 5120 points
Display mode Form figure, trend charts, histograms
Number of measurement 1-50 Times
Measurement accuracy Vfund >1%: Error<1%
Vfund <1%: Error<0.05% Rated Voltage
Afund >3%: Error<1%
Afund <3%: Error<0.05% Current range
InHarm Voltage, InHarm current Measurement type
Measurement mode Meet IEC61000-4-7, Analysis time window is ten cycles
Window points 5120 points
Display mode Form figure, trend charts, histograms
Numbers of measurement 1-16 groups
Measurement accuracy Vfund >1%: Error<1%
Vfund <1%: Error<0.05% Rated Voltage
Afund >3%: Error<1%
Afund <3%: Error<0.05% Current range
HiHarm Voltage, HiHarm current Measurement type
Measurement mode Meet IEC61000-4-7, Analysis time window is ten cycles
Window points 5120 points every 10 cycles
Display mode Form figure, trend charts, histograms
Numbers of measurement 1-35 groups/2100Hz-8900Hz
Measurement accuracy Vfund >1%: Error<1%
Vfund <1%: Error<0.05% Rated Voltage
Afund >3%: Error<1%
Afund <3%: Error<0.05% Current range
Voltage/current Unbal (pos, neg) Measurement type
Measurement mode 3P3W or 3P4W, using three phase of fundamental wave
components to calculate
Display mode Form figure, trend charts, histograms
Measurement accuracy Voltage unbal: ±0.2%
Current unbal: ±0.5%
Voltage fluctuation Measurement type
Measurement mode Calculate by the quadratic mean of half wave
Display mode Form figure, trend charts
Measurement accuracy ±1%
IEC Flickering Measurement type
Measurement P short term (Pst) , P long term (Plt)
Measurement mode According to IEC61000-4-15 Standard to calculate Pst (10 mins) Plt
(2 hours)
Display mode Form figure, trend charts
Measurement range 0-20
Measurement accuracy ±5%
Surge current Measurement type
Measurement mode Half-wave RMS of current is higher than set value and sustain
time is 10ms-1min
Display mode Maximum of the surge current and surge current wave
Measurement accuracy 0.1%
Voltage swell, Voltage sags, DIP Measurement type
Measurement mode Swell: When half-wave RMS of voltage is higher than set value
and sustain time is 10ms-1min, judged as swell.
Sags: When half-wave RMS of voltage is lower than set value and
sustain time is 10ms-1min, judged as sags.
DIP: half-wave RMS of voltage is higher than set value and sustain
time is 10ms-1min, judged as DIP
Display mode Swell, sags, DIP wave sustain time, extent and so on.
Measurement accuracy 0.1%
Machinery
Size 263mm x 168mm x 65mm
Key 21PCS
Binary binary input:1 ; binary output:1
Comunication Port USB, 10/100M port
Weight 2KG
Power supply
Voltage input 110V-240V
Adapter outpu 15V, 3A
Battery Rechargeable nickel metal hydride, 5500mAh
Battery working time ≥ 6h
Battery recharging time 5h (Environment temperature 25°C)
Power saving facility LCD backlight brightness is adjustable, standby time is adjustable
Display
Size 112.8 x 84.6mm
Color 260000 color
Resolutions 640 x 480
Brightness Max 350 cd/m2 (Typ), brightness is adjustable
Contrast 500:1 (Typ)
Visual angle 70/70/50/70 (Typ.)(CR ≥10) ( Left/ Right/ UP/Down)
Environment
Working environment 0°C to +45°C, humidity below 90rh%
Storing environment '-20°C to +50°C, humidity below 95rh% (non-condensing)
Store
Type TF card (inbuilt)
Size 32G
Standards
Measurement method IEC 61000-4-30
Measurement performance IEC 61000-4-30 A LVL
Flickering IEC 61000-4-15
Harmonic IEC 61000-4-7
Safety
Standard GB 4793.1-2007/IEC 61010-1:2001: "Measurement, control and
laboratory electrical equipment safety requirements", first part:
general requirements. Security level: CAT III 1000 V/ CAT IV 600 V./td>
MAX voltage of phase angle input CAT III 1000V/CAT IV 600V

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