Fluke 435-II Power Quality & Energy Analyzer

The Fluke 435-II Power Quality and Energy Analyzer is a dynamic and versatile tool designed to analyze and optimize power systems for enhanced performance. Equipped with the ability to measure voltage, current, frequency, harmonics, and energy, the Fluke 435-II is essential for professionals in utilities, manufacturing, and various other industries requiring detailed electrical system analysis. This model stands out with its comprehensive logging functions, automatic trending, and the ability to quantify energy losses due to power quality issues in financial terms. Additionally, it offers advanced features like waveform capture and power inverter efficiency assessments, making it a powerful instrument for troubleshooting and long-term monitoring. Its safety ratings of 600 V CAT IV and 1000 V CAT III ensure it can be safely used at service entrance locations, while the included flexible current probes and wireless data connectivity via Fluke Connect enhance its usability in complex setups.

Product Info Related Compliance Standards

Number of inputs (voltage)	4 (3 phase + neutral) DC-coupled
Maximum input voltage	1000 Vrms
Nominal voltage range	Selectable 1 V to 1000 V
Max. peak measurement voltage	6 kV (transient mode only)
Input impedance (voltage)	4 MΩ//5 pF
Bandwidth (voltage)	> 10 kHz, up to 100 kHz for transient mode
Scaling (voltage)	1:1, 10:1, 100:1, 1,000:1 10,000:1 and variable
Number of inputs (current)	4 (3 phase + neutral) dc- or ac-coupled
Type	Clamp or current transformer with mV output or i430flex-TF
Range	0.5 Arms to 600 Arms with included i430flex-TF (with sensitivity 10x) 5 Arms to 6000 Arms with included i430flex-TF (with sensitivity 1x) 0.1 mV/A to 1 V/A and custom for use with optional ac or dc clamps
Input impedance (current)	1 MΩ
Bandwidth (current)	> 10 kHz
Scaling (current)	1:1, 10:1, 100:1, 1,000:1 10,000:1 and variable
Resolution	16 bit analog to digital converter on 8 channels
Maximum sampling speed	200 kS/s on each channel simultaneously
RMS sampling	5000 samples on 10/12 cycles according to IEC61000-4-30
PLL synchronization	4096 samples on 10/12 cycles according to IEC61000-4-7
Case	Design rugged, shock proof with integrated protective holster Drip and dust proof IP51 according to IEC60529 when used in tilt stand position Shock and vibration shock 30 g, vibration: 3 g sinusoid, random 0.03 g2/Hz according to MIL-PRF-28800F Class 2
Display	Brightness: 200 cd/m2 typ. using power adapter, 90 cd/m2 typical using battery power Size: 127 mm x 88 mm (153 mm/6.0 in diagonal) LCD Resolution: 320 x 240 pixels Contrast and brightness: user-adjustable, temperature compensated
Memory	8GB SD card (SDHC compliant, FAT32 formatted) standard, up to 32GB optionally Screen save and multiple data memories for storing data including recordings (dependent on memory size)
Real-time clock	Time and date stamp for Trend mode, Transient display, System Monitor and Event capture

Quickly see how much money losing due to energy waste in terms of real dollars
Easily see how motor startups are affecting motor drive performance
Get at-a-glance power quality health data in real-time so you can make better maintenance decisions
Capture every measurement automatically without any set-up
Measure all three phases and neutral with the included flexible current probes
Highest safety rating in the industry: 600 V CAT IV/1000 V CAT III rated for use at the service entrance
Fluke Connect® compatible: view data locally on the instrument, via Fluke Connect mobile app and PowerLog 430-II desktop software

Energy loss calculator: classic active and reactive power measurements
Power inverter efficiency: simultaneously measure AC output power and DC input power using optional DC clamp
PowerWave data capture: capture fast RMS data, show half-cycle and waveforms to characterize electrical system dynamics
Waveform capture: capture 50 / 60 cycles (50 / 60Hz) of each event that is detected in all modes
Automatic transient mode
Fully class-A compliant
Mains signaling
Troubleshoot: analyze the trends using the cursors and zoom tools
Measure all three phases and neutral: with included four flexible current probes
Automatic trending: every measurement is always automatically recorded, without any set-up
Logger function: configure for any test condition with memory for up to 600 parameters at user defined intervals

IEC 61000-4-30 Class A
- Volt Amp Hz
- Dips and swells
- Harmonics
- Power and energy
- Energy loss calculator
- Unbalance
- Monitor
- Inrush
- Event waveform capture
- Flicker
- Transients
- Mains signaling
- Power wave
- Power inverter efficiency
- C1740 Soft Case