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Fluke 435-II Power Quality Analyzer
The Fluke 435-II is a flagship three-phase power quality and energy analyzer engineered to pinpoint, predict, and troubleshoot complex electrical issues in industrial plants and utility substations. Certified to IEC 61000-4-30 Class A, it features high-speed PowerWave waveform data capture, an energy loss calculator that monetizes wasted power into fiscal costs, and real-time power inverter efficiency measurements.
Features & Benefits
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Full IEC 61000-4-30 Class A Compliance: Guarantees standards-grade testing rigor and unambiguous contractual compliance measurements for utility handovers and disputes.
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Patented Energy Loss Calculator: Monetizes wasted energy caused by poor power factor, unbalance, and harmonics into specific dollar/currency amounts.
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High-Speed PowerWave Data Capture: Captures fast RMS data snapshots at 8 samples per cycle to evaluate motor starting transients and UPS failovers.
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Power Inverter Efficiency Measurement: Concurrently measures AC output power and DC input power to diagnose solar inverters and drive efficiency.
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AutoTrend Continuous Recording: Automatically logs voltage, current, power, harmonics, and flicker on all phases without requiring complex threshold configuration.
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CAT IV 600V / CAT III 1000V Certified: Built for service entrances, utility transformer switchgear, and heavy industrial distribution panels.
Description
Applications
- Power Distribution: Measure power quality and energy parameters in power distribution systems to ensure compliance with regulatory requirements.
- Industrial Process Control: Use the Fluke 434-II to measure power quality and energy parameters in industrial process control systems to optimize energy efficiency.
- Energy Management: Measure power quality and energy parameters to optimize energy efficiency and reduce energy costs.
- Power Quality Analysis: Use the Fluke 434-II to analyze power quality issues and identify areas for improvement.
- Energy Efficiency Optimization: Measure power quality and energy parameters to optimize energy efficiency and reduce energy costs.
- Compliance with Regulatory Requirements: Use the Fluke 434-II to ensure compliance with regulatory requirements for power quality and energy measurement.
Specifications
| Specification Parameter | Value / Range |
| Brand / Manufacturer | Fluke Corporation |
| Model | Fluke 435-II (Fluke 435 Series II) |
| Standards Compliance | IEC 61000-4-30 Class A, IEC 61000-4-7, IEC 61000-4-15, IEEE 1459 |
| Input Channels | 4 Voltage (A, B, C, N) & 4 Current (A, B, C, N) |
| Voltage Measurement Range | 1 V to 1000 V Phase-to-Neutral (Accuracy: ±0.1% of nominal voltage) |
| Current Measurement Range | 1 A to 6000 A (with included i430flex-TF probes; 0.5 A to 600 A with standard clamps) |
| Sampling Frequency | 200 kS/s on each channel simultaneously (16-bit ADC resolution) |
| Frequency Range | 42.5 Hz to 57.5 Hz (50 Hz nominal) / 51 Hz to 69 Hz (60 Hz nominal) |
| Harmonics & Interharmonics | DC, 1st to 50th order (THD, interharmonics up to 50th order to IEC 61000-4-7) |
| Power Measurements | kW, kVA, kvar, Power Factor, Displacement PF (cos φ), Energy (kWh, kVAh, kvarh) |
| Transient Detection | Min. duration 8 µs (up to 6 kV peak) |
| Display | 127 mm (5.0 in) full-color LCD (320 × 240 pixels) with high-contrast backlight |
| Memory / Storage | 8 GB SD Card (expandable up to 32 GB), logs months of multi-parameter trend data |
| Interface & Software | Mini-USB port; PowerLog software for automated reporting and data analysis |
| Battery Life & Power | BP290 Li-ion battery pack (>8 hours typical operation); BC430 power adapter |
| Safety Overvoltage Rating | CAT IV 600 V / CAT III 1000 V (IEC 61010-1) |
| Dimensions & Weight | 256 × 169 × 64 mm; Approx. 2.1 kg (including battery) |
| Included Accessories | BC430 Power Adapter, BP290 Li-ion Battery, 4× i430flex-TF (61 cm) Flexible Current Probes, TL430 Lead & Alligator Clip Set, WC100 Color Markers, 8 GB SD Card, USB Cable, C435 Rugged Soft Carrying Case |
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