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KGZW-120 Portable Three-phase Power Quality Analyzer Digital Energy Meter Electric Data Logger
Product Introduction
KGZW-120 portable three-phase power quality analyzer is a special portable product for the detection and analysis of power grid operation quality. It can provide harmonic analysis and power quality analysis in power operation, and is equipped with a large capacity memory, which can conduct long-term data collection and detection of power grid operation. At the same time, it is equipped with PC application software to upload the collected data to the computer for various analysis.
KGZW-120 Portable Three-phase Power Quality Analyzer Digital Energy Meter Electric Data Logger
Product Characteristics
1, color touch screen display, easy to operate.
2, high-performance lithium battery for a long time power supply.
3, complete three-phase troubleshooting tool: measure the actual parameters of each power system: voltage, current, frequency, power, power consumption (energy), unbalance and flicker, harmonics and interharmonics, capture these events like sudden ups and downs, transients, interruptions and rapid voltage changes.
4, KDZW-120 three-phase power quality analyzer is designed and manufactured with reference to the "GB/T14549-93 power quality public grid Harmonic National Standard" IEC61000-4-31A level standard.
5, can use U disk expansion memory, greatly extend the recording time.
KGZW-120 Portable Three-phase Power Quality Analyzer Digital Energy Meter Electric Data Logger
Product features:
1, voltage, current, frequency: can measure three-phase voltage, zero line voltage, three phase current, zero line current, frequency, etc.
2, harmonic measurement: can be measured up to 50 harmonics, the measurement results include each harmonic voltage, harmonic current amplitude, the total distortion of voltage harmonics (total distortion rate), each voltage harmonic/current harmonic content rate; Harmonic spectrum diagram can be displayed.
3, power measurement: can measure three-phase apparent power, active power, reactive power, power factor, three-phase electric energy, etc.
4, three-phase unbalance measurement: can measure three-phase voltage unbalance degree and positive sequence, negative sequence, zero sequence voltage; Three-phase current unbalance degree and positive sequence, negative sequence,
5, zero sequence current, can display voltage vector diagram, current vector diagram.
6, surge current: can record at least 40 surge current events.
7, fluctuation/flicker: fluctuation, short-term flicker, long-term flicker measurement.
8, sudden rise/sudden drop: can record voltage sudden rise, sudden drop events, up to 40 events can be recorded.
9. Monitoring and recording: Basic (steady state) power quality parameters can be recorded for a long time, and the recording interval is adjustable from 3 seconds to 30 minutes.
10, digital oscilloscope: can be used to view the voltage/current signal waveform.
Product Application:
1, front-end troubleshooting: use the screen display to quickly diagnose faults and restore the system to normal work Predictive maintenance: detect and prevent power quality problems before downtime occurs
2, quality of service: Check the power quality at the user's entry line
3, long-term analysis: detect difficult to find or intermittent failure
4, load study: check the capacity of the electrical system before increasing the load
5. Energy evaluation: Quantitative evaluation of energy consumption before and after transformation to prove the effect of saving equipment
KGZW-120 Portable Three-phase Power Quality Analyzer Digital Energy Meter Electric Data Logger
Measurable range | accuracy of measurement | state | |
| Voltage/current/frequency | Three-phase voltage: 10~700V(true RMS) Neutral line voltage: 1 ~ 70V(true RMS) Three-phase current: 0~(true RMS value, optional current sensor) Neutral line current: 0~(true RMS value, optional current sensor) Frequency: 40~70Hz | Voltage: ±0.5% Current: ±0.5% Frequency: ±0.01Hz | The A-phase voltage frequency is used as the measurement frequency |
| harmonics measurement | Voltage harmonics: total harmonics, 1~50 harmonics | Voltage harmonics: ±0.1(%f) | |
| power measurement | Active power: 0.05~700KW | Active work: ±2% | |
| three-phase imbalance | Fundamental voltage: 10~700V(true RMS) Fundamental current: 0.5~(true RMS value) Fundamental frequency: 40~70Hz Phase Angle: 0~360o Unbalance degree: 0.0%~100% | Voltage :0.5% Current :0.5% Frequency: Reading ±0.01Hz Phase Angle: Reading ± 0.3o Voltage unbalance: reading ±0.2 Current unbalance: reading ±0.2 | The A-phase voltage frequency is used as the total measurement frequency |
| monitoring record | Recorded parameters: three-phase voltage, three-phase current, zero-line current, voltage harmonics (total harmonics, 1-25 harmonics), current harmonics (total harmonics, 1-25 harmonics), three-phase unbalance, active power, power factor, fluctuation, flicker | Recording duration = (Maximum number of data that can be recorded on the instrument x Storage interval) /60 minutes Maximum number of data that can be recorded on the instrument = 18635 Storage interval: 3S to 30MIN Recording duration: 15 hours to 388 days | Set the collection interval to 3 seconds, can monitor 15.5 hours, set the collection interval to 30 minutes, can monitor 388 days (3 seconds to 30 minutes continuously adjustable) |
| Sudden rise and sudden fall | Voltage surges, voltage plunges and temporary power outages | A maximum of 40 events can be recorded | |
| fluctuate | fluctuate:0.1%~10.0% | fluctuate:±5% | |
| flickering | Short time flicker changes long time flicker | Short time flicker measurement error :± 5% Long time flicker measurement error :± 5% | |
| digital oscilloscope | Three phase voltage, three phase current, zero line voltage and zero line current instantaneous waveform | Maximum sampling frequency: 200KHz Minimum sampling frequency: 100Hz | |
Model | KDZN-OL | ||
Size | 225×155×150 | internal storage | 128M bit |
| display screen | Touch screen, 5.7 inch 320×240 color graphics LCD | supply voltage | 14.4V(lithium battery) |
| communication interface | GPRS/LAN | weight | 2KG |
