คำอธิบาย
รายละเอียดของเครื่องวิเคราะห์คุณภาพไฟฟ้าและฮาร์โมนิกส์ EXTECH PQ3470-2
แบรนด์สินค้า EXTECH รุ่น PQ3470-2
พร้อม 2000A Current Clamp Probes
Analysis of Total Harmonic Distortion (THD)
Graphic Phase diagram with 3-Phase system parameters
3-phase Voltage or Current Unbalanced Ratio (VUR, AUR) and unbalanced factor
Capture Transient events (including dip, swell, and outage) with programmable threshold (%)
Log up to 30,000 reading on a removable SD memory card in Microsoft Excel® format
Wide sampling rate range (2 seconds to 2 hours)
Built-in Clock and Calendar
Optional 200A Current Clamps or 3000A Flexible Current Probes (sold separately)
Adjustable Current Transformer CT (1 to 600) and Potential Transformer PT (1 to 1000) ratio for high power distribution systems
Full system analysis with up to 35 parameters:
– V (phase-to-phase), V (phase-to-ground)
– A (phase-to-ground)
– KW / KVA / KVAR / PF (phase)
– KW / KVA / KVAR / PF (system)
– KWH / KVAH / KVARH / PFH (system)
– Phase angle
Simultaneous display of Harmonics and Waveform
Large dot-matrix, sun-readable, graphical, backlit LCD with easy-to-use onscreen menu
ในชุดประกอบด้วย 4 voltage leads with alligator clips, 8 AA batteries, SD card, 100-240V AC adaptor, three 2000A current probes และ case
ข้อมูลทางเทคนิค
| คุณสมบัติ | ช่วงการวัด | ความแม่นยำ |
|---|---|---|
| AC Voltage (True rms) | 600.0V | ±(0.5%rdg) |
| AC Current | 3000A | ±(0.5%rdg) |
| Active Power (MW) | 9.999MW | ±(1.0%rdg) |
| Apparent Power (MVA) | 9.999MVA | ±(1.0%rdg) |
| Reactive Power (MVAR) | 9.999MVAR | ±(1.0%rdg) |
| Power Factor | 0.00 to 1.00 | ±0.04 |
| Frequency Range | 45Hz to 65Hz | ±0.1Hz |
| Phase | -180° to +180.0° | ±1° |
| Harmonics | 1 to 50th | ±2% (1 to 20); ±4% (21 to 31) |
| Crest Factor | 1.00 to 99.99 | ±(5%) |
| Current Clamp input | 200mV, 300mV, 500mV | ±(0.5%rdg) |
| 1V, 2V, 3V; user-selectable | ||
| Peak AC Voltage Accuracy | ±(5%) | |
| Peak AC Current Accuracy | ±(5%) | |
| Active Power Energy (MWH) | 0.0kWh to 9.999MWH | ±(2.0%rdg) |
| Apparent Power Energy (MVAH) | 0.0KVAh to 9.999MVAH | ±(2.0%rdg) |
| Reactive Power Energy (MVARH) | 0.0kVARh to 9.999MVARH | ±(2.0%rdg) |
| Datalogging | 30,000 readings (2GB SD memory Card) | |
| Dimensions/Weight | 225 x 125 x 64mm / 1010g | |
ไฟล์ข้อมูลสินค้าDATA SHEETUSER MANUAL
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