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The Extech PQ3350-3 is a 3-Phase Power & Harmonics Analyzer capable of up to 52,428 single phase readings or 17,476 3-phase readings. It includes a large backlighting LCD that can display up to 35 parameters in one screen, and allows for the simultanious display of harmonics and waveform. For single and 3-phase/3-wire or 3-phase/4-wire systems. Complete with 4 voltage leads with alligator clips and retractable plunger clips, 8 AA batteries, universal AC adaptor, software, USB interface cable, and case. Current Probes sold separately.
Pico Labs Ltd. provides reliable electrical product rental and calibration services for all Power & Energy needs. Our certified equipment and expert team ensure precise measurements, helping businesses enhance energy efficiency, reduce operational costs, and achieve superior results with professional, dependable, and cost-effective solutions.
Extech PQ3350-3: 3-Phase Power & Harmonics Analyzers
Complete with 3000A 18" flexible current clamp probes
Features:
- Datalogging of single and 3-phase/3-wire or 3-phase/4-wire systems (up to 52,428 single phase readings or 17,476 3-phase readings)
- Flexible clamp probes can be used for wrapping around bus bars and wire bundles
- Large backlighting LCD displays up to 35 parameters in one screen
- Clamp-on True RMS power measurements with on-screen Harmonics display
- Simultaneous display of Harmonics and Waveform
- Display of Waveform with Peak Values (1024 samples/period)
- Analysis of Total Harmonic Distortion (THD-F)
- Maximum Demand (MDkW, MW, kVA, MVA) with programmable period
- Adjustable CT ratio (1 to 600) and VT ratio (1 to 3000)
- Graphic Phase diagram with 3-Phase system parameters
- 3-phase Voltage or Current Unbalanced Ratio (VUR, VIR) and Unbalanced Factor (d0%, d2%)
- Calculated Unbalanced Current through Neutral Line (In)
- Capture 28 Transient events (including Dip, Swell and Outage) with programmable threshold (%)
- Optically isolated USB interface with software to download Waveforms, Power Parameters and Harmonics
- Includes 3 flexible current clamps, 4 voltage leads with alligator clips and retractable plunger clips, 8 AA batteries, universal AC adaptor, software, USB interface cable, and case
Specifications
| Specification | Details |
|---|
| Model | EXTECH PQ3350-3 |
| Type | 3-Phase Power & Harmonics Analyzer |
| Voltage Measurement | 600 V AC (L-N), 1000 V AC (L-L) |
| Current Measurement | 0–5 A (direct), Up to 4000 A (with clamp) |
| Frequency Range | 45 Hz – 65 Hz |
| Power Measurement | Active, Reactive, Apparent Power |
| Power Factor | 0.00 – 1.00 (leading/lagging) |
| Harmonics Analysis | Up to 50th harmonic, THD (Total Harmonic Distortion) |
| Data Logging | Up to 10,000 data points |
| Sampling Rate | 64 samples/cycle |
| Display | Large color LCD with real-time waveform |
| Interface | USB, Optional Bluetooth/RS232 |
| Memory Storage | Internal memory with PC download capability |
| Operating Temperature | 0 °C to 40 °C |
| Dimensions | 250 × 150 × 60 mm |
| Weight | 1.2 kg |
| Safety Rating | CAT III 600 V / CAT IV 300 V |
| Applications | Industrial, Commercial & Residential Power Monitoring, Harmonics Analysis, Energy Audits |
