The Fluke 435 is a professional Three-Phase Power Quality Analyzer designed for troubleshooting and documenting power quality in power distribution systems. Fully compliant with IEC 61000-4-30 Class A standards, it features simultaneous recording on all phases and neutral, advanced diagnostic capabilities, and a rugged handheld form factor.
Specifications
General
| Parameter | Value |
|---|---|
| Interfaces | Optical USB |
| Display | 1/4 VGA color LCD (320 x 240 pixels) with backlight |
Physical
| Parameter | Value |
|---|---|
| Power Supply | NiMH battery pack (BP190) or external battery charger/mains adapter (BC190) |
| Operating Temperature | 0 °C to +50 °C |
| Dimensions (W×H×D) | 256 mm x 169 mm x 64 mm |
| Weight | 2.0 |
Input Channels & Configuration
| Parameter | Value |
|---|---|
| Number of Voltage Inputs | 4 (3 phases + neutral) |
| Number of Current Inputs | 4 (3 phases + neutral) |
| Phase Configurations Supported | Single-phase, split-phase, 3-phase Wye, 3-phase Delta |
| Voltage Input Impedance | 1 MΩ, 20 pF |
Measurement Ranges & Input Characteristics
| Parameter | Value |
|---|---|
| Maximum Input Voltage | 1000 Vrms |
| Transient Voltage Measurement Range | Up to 6 kV |
Measurement Performance & Accuracy
| Parameter | Value |
|---|---|
| Nominal Frequency | 50 Hz / 60 Hz |
| Transient Sampling Rate | 200 kHz on all phases simultaneously |
| Compliance Standard | IEC 61000-4-30 Class A |
| Flicker Standard | IEC 61000-4-15 (Pst, Plt) |
Power & Harmonic Analysis Functions
| Parameter | Value |
|---|---|
| Supported Parameters | Active Power (P), Apparent Power (S), Reactive Power (Q), Power Factor (PF), Cos φ (DPF), Voltage, Current, Frequency, THD, Harmonics, Interharmonics, Flicker, Unbalance, Inrush, Transients, Mains Signaling, Energy |
| Harmonic Order Limit | Up to 50th harmonic |
| System Monitor Screen | Up to 7 power quality parameters on one screen according to EN50160 |
Data Logging, Memory & Visualization
| Parameter | Value |
|---|---|
| Logger Function Capacity | Over 400 parameters at user-defined intervals |
| AutoTrend Feature | Automatically records all background parameters without manual setup |
| Trend Analysis Tools | Cursors and zoom tools active during background recording |
Power Supply & Safety Compliance
| Parameter | Value |
|---|---|
| Battery Operating Time | 7 hours per charge |
| Safety Category Rating | 600 V CAT IV / 1000 V CAT III |
Physical & Environmental Specifications
| Parameter | Value |
|---|---|
| Warranty | 3 years |
Measurement Accuracy
| Parameter | Value |
|---|---|
| Voltage Measurement Accuracy | ±0.1% of nominal voltage |
| Frequency Accuracy | ±0.01 Hz |
| Active Power Accuracy | ±1.0% of reading |
Memory & Storage
| Parameter | Value |
|---|---|
| Internal Flash Memory Capacity | 16 MB |
Environmental
| Parameter | Value |
|---|---|
| Storage Temperature Range | -20 °C to +60 °C |
| Maximum Operating Altitude | 3000 m |
| Ingress Protection Rating | IP51 |
Connectivity & Synchronization
| Parameter | Value |
|---|---|
| GPS Synchronization Support | Supported via optional GPS120 module |
Voltage Measurement
| Parameter | Value |
|---|---|
| Voltage Crest Factor Range | 1.0 to 10.0 |
Transient Measurement
| Parameter | Value |
|---|---|
| Transient Minimum Duration | 5 µs |
Mains Signaling
| Parameter | Value |
|---|---|
| Mains Signaling Frequency Range | 60 Hz to 3000 Hz |
Inrush Current
| Parameter | Value |
|---|---|
| Inrush Duration Settings | 1 s, 5 s, 10 s, 30 s, 1 min, 5 min |
Harmonics Measurement
| Parameter | Value |
|---|---|
| Interharmonics Range | 1st to 50th harmonic |
Technology
Three-Phase Power Quality Analysis
Applications
Power monitoring, troubleshooting, quality-of-service compliance testing, and energy audits
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