Beijing GFUVE Instrument Transformer Manufacturer Co.,Ltd.
Beijing GFUVE Instrument Transformer Manufacturer Co.,Ltd. an exclusive current transformer, split core current transformer, current clamp & voltage transformer manufacturer.
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GF438II GFUVE IEC 61000-4-30 CLASS A Three Phase Power Quality Analyzer With flicker & 63rd harmonics
GFUVE GF438II class A power quality analyzers can help you discover the state of health of your power systems. Designed to meet the needs to the intended measurement task, power quality analyzers help you beprepared for any power quality issues.The Power Quality analyzers that can monetize the cost of energy waste due to poor power quality. More powerful sampling options, greater accuracy and larger memory makes the GF438II better for longer term, higher resolution or more demanding power quality studies.
Class A power quality (PQ) analyzers are used for this per IEC 61000-4-30. The regular testing and calibration of these devices has presented manufacturers, commissioners and equipment maintenance personnel with new challenges. For instance, the standard IEC 62586 requires different PQ parameters to be swapped during extensive type tests.
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.
Power Quality Analysers. Power Quality Analysers are powerful and versatile instruments available to the modern electrician and electrical engineer. Our complete range of Class A and Class S Power Quality Analysers can be used for diagnosing Power Quality problems, Energy Load Profiling and for producing Harmonic Surveys of an electrical installation.
The GFUVE GF438II power quality analyzers are designed for users who need to get to the solution of the power quality problem as quickly as possible so that they can minimize expensive downtime.
Electrical Power Systems
Power Plants
Photovoltaic
Distribution
Industrial Systems
LV Installations Safety / Quality
UPS Systems testing
Switchboards / Controlgears
Machines / Power Loads
Electrical Equipment / Appliances
Maintenance / Troubleshooting
3-phase system testing
High level industrial testing
Mid level industrial testing
Buildings Facility Management
Public areas Safety / Quality
Voltage Quality / Power Loads
Special Installations / Locations
Construction Sites
Railway Systems
Ships / Boats / Marina Places
Fire Brigade Vehicles
Military / Police Vehicles
Mobile LV Generator Units
Medical Sites / Surgery Rooms
Laboratory use
Service / Repair / Rental Offices
Electric motors testing
| 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 |
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