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The EXTECH PQ3350‑1 3‑Phase Power & Harmonics Analyzer is a top-tier Power Quality Analyzer tailored for in-depth electrical diagnostics. Equipped with 1200A True RMS flexible current clamps (12″), it supports 3-phase/3-wire and 3-phase/4-wire systems. The device displays up to 35 real-time parameters waveform, harmonics (THD‑F), active/reactive/apparent power, power factor, frequency, phase angles, and unbalance metrics on a large backlit LCD. It also logs up to 52,428 single-phase or 17,476 three-phase readings, with USB connectivity for waveform, power, and harmonics downloads. Featuring CT and VT ratio adjustment, transient capture (dip, swell, outages), and programmable maximum demand, the PQ3350‑1 delivers precise, professional data. Designed for industrial energy audits, utility maintenance, and advanced troubleshooting, it's trusted worldwide for its accuracy and durability. The EXTECH PQ3350‑1 ranks among premium Power Quality Analyzers, offering detailed harmonic and waveform analysis for industrial systems.
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Extech PQ3350-1: 3-Phase Power & Harmonics Analyzers
Complete with 1200A 12" 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 |
|---|---|
| Product Name | Extech PQ3350-3 3-Phase Power & Harmonics Analyzer |
| Model | PQ3350-3 |
| Type | 3-Phase Power & Harmonics Analyzer |
| Display | LCD with backlight |
| Voltage Measurement | 0–600 V AC/DC (phase-to-neutral) |
| Current Measurement | 0–5 A / 0–6000 A (with optional CTs) |
| Power Measurement | Active, Reactive, Apparent Power |
| Power Factor | 0.00–1.00, Leading/Lagging indication |
| Frequency Range | 45–65 Hz |
| Harmonics Measurement | Up to 50th harmonic |
| Energy Measurement | Active, Reactive, Apparent Energy |
| Data Logging | Yes, internal memory with USB export |
| Connectivity | USB, optional SD card support |
| Safety Rating | CAT III 600 V |
| Operating Temperature | 0–50 °C |
| Dimensions | 210 × 120 × 50 mm |
| Weight | Approx. 1 kg |
| Accessories Included | Test leads, current clamps, user manual, USB cable |
| Applications | Industrial power monitoring, energy audits, harmonic analysis, electrical troubleshooting |
