Fluke 435 Series II Power Quality and Energy Analyzer

Advanced Power Quality Functions, Unprecedented Energy Analysis Capabilities

Power quality issues can affect the operation of critical loads and have a negative impact on your bottom line. Think of the Fluke 435 II Power Quality and Energy Analyzer as your insurance policy.

The Fluke 435 Series II Power Quality and Energy Analyzer is the world’s only Power Quality analyzer that can monetize the cost of energy waste due to poor power quality.

The wide range of measurement functions and measurement methods in the Fluke 435-II make it the ideal tool for both power quality troubleshooting and discovering energy savings Whether you’re checking the performance of motors and generators, trying to discover the source of an intermittent power problem or performing an energy study the Fluke 435-II will give you the data you need to quickly get to the heart of the problem.

Wrapped in a lightweight, rugged package, the Fluke 435 II Energy Analyzer is the ideal portable power quality instrument providing advanced power quality functionality and energy analysis capabilities. If you require the same advanced functionality at a higher frequency, Fluke 437 II is the must-have power quality analyzer for 400 Hz power systems.

Applications

Frontline Troubleshooting – Quickly diagnose problems on-screen to get your operation back online.
Long-Term Analysis – Uncover hard-to-find or intermittent issues.
Load Studies – Verify the available electrical system capacity before adding loads
PowerWave Data Capture – Capture every waveform for up to 5 minutes along with fast RMS values so you can determine how the voltage, current and frequency values are interacting.
Power Inverter Efficiency – Measure the input and output power simultaneously to discover whether the inverter is optimized for its application.
Energy Monetization – Calculate the fiscal cost of energy waste due to poor power quality.
Energy Assessment –Quantify the before and after installation improvements in energy consumption to justify energy saving devices.
Predictive Maintenance – Periodic benchmarking of the power system can help detect and prevent power quality issues before they cause downtime.

Product Specifications
Volt	Model	Measurement Range	Resolution	Accuracy
Vrms (AC + DC)		1 V to 1000 V phase to neutral	0.01 V	±0.1% of nominal voltage¹
Vpk		1 Vpk to 1400 Vpk	1 V	5% of nominal voltage
Voltage Crest Factor (CF)		1.0 > 2.8	0.01	±5%
Vrms½			0.1 V	±0.2% of nominal voltage
Vfund			0.1 V	±0.1% of nominal voltage
Amps (accuracy excluding clamp accuracy)
Amps (AC + DC)	i430-Flex 1x	5 A to 6000 A	1 A	±0.5% ±5 counts
	i430-Flex 10x	0.5 A to 600 A	0.1 A	±0.5% ±5 counts
	1mV/A 1x	5 A to 2000 A	1A	±0.5% ±5 counts
	1mV/A 10x	0.5 A A to 200 A (AC only)	0.1 A	±0.5% ±5 counts
Apk	i430-Flex	8400 Apk	1 Arms	±5%
Apk	1mV/A	5500 Apk	1 Arms	±5%
A Crest Factor (CF)		1 to 10	0.01	±5%
Amps½	i430-Flex 1x	5 A to 6000 A	1 A	±1% ±10 counts
	i430-Flex 10x	0.5 A to 600 A	0.1 A	±1% ±10 counts
	1mV/A 1x	5 A to 2000 A	1 A	±1% ±10 counts
	1mV/A 10x	0.5 A A to 200 A (AC only)	0.1 A	±1% ±10 counts
Afund	i430-Flex 1x	5 A to 6000 A	1 A	±0.5% ±5 counts
	i430-Flex 10x	0.5 A to 600 A	0.1 A	±0.5% ±5 counts
	1mV/A 1x	5 A to 2000 A	1 A	±0.5% ±5 counts
	1mV/A 10x	0.5 A A to 200 A (AC only)	0.1 A	±0.5% ±5 counts
Hz
Fluke 434 @ 50 Hz Nominal		42.50 Hz to 57.50 Hz	0.01 Hz	±0.01 Hz
Fluke 434 @ 60 Hz Nominal		51.00 Hz to 69.00 Hz	0.01 Hz	±0.01 Hz
Power
Watts (VA, var)	i430-Flex	max 6000 MW	0.1 W to 1 MW	±1% ±10 counts
Watts (VA, var)	1 mV/A	max 2000 MW	0.1 W to 1 MW	±1% ±10 counts
Power Factor (Cos j/DPF)		0 to 1	0.001	±0.1% @ nominal load conditions
Energy
kWh (kVAh, kvarh)	i430-Flex 10x	Depends on clamp scaling and V nominal		±1% ±10 counts
Energy Loss	i430-Flex 10x	Depends on clamp scaling and V nominal		±1% ±10 counts Excluding line resistance accuracy
Harmonics
Harmonic Order (n)		DC, 1 to 50 Grouping: Harmonic groups according to IEC 61000-4-7
Inter-Harmonic Order (n)		OFF, 1 to 50 Grouping: Harmonic and Interharmonic subgroups according to IEC 61000-4-7
Volts %	f	0.0% to 100%	0.1%	±0.1% ±n x 0.1%
	r	0.0% to 100%	0.1%	±0.1% ±n x 0.4%
	Absolute	0.0 to 1000 V	0.1 V	±5%¹
	THD	0.0% to 100%	0.1%	±2.5%
Amps %	f	0.0% to 100%	0.1%	±0.1% ±n x 0.1%
	r	0.0% to 100%	0.1%	±0.1% ±n x 0.4%
	Absolute	0.0 to 600 A	0.1 A	±5% ±5 counts
	THD	0.0% to 100%	0.1%	±2.5%
Watts %	f or r	0.0% to 100%	0.1%	±n x 2%
	Absolute	Depends on clamp scaling and V nominal	—	±5% ±n x 2% ±10 counts
	THD	0.0% to 100%	0.1%	±5%
Phase Angle		-360° to +0°	1°	±n x 1°
Flicker
Plt, Pst, Pst (1 min) Pinst		0.00 to 20.00	0.01	±5%
Unbalance
Volts %		0.0% to 20.0%	0.1%	±0.1%
Amps %		0.0% to 20.0%	0.1%	±1%
Mains Signaling
Threshold Levels		Threshold, limits and signaling duration is programable for two signaling frequencies	—	—
Signaling Frequency		60 Hz to 3000 Hz	0.1 Hz
Relative V %		0% to 100%	0.10%	±0.4%
Absolute V3s (3 second avg.)		0.0 V to 1000 V	0.1 V	±5% of nominal voltage
General Specifications
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 g 2 /Hz according to MIL-PRF-28800F Class 2
Display	Brightness: 200 cd/m 2 typ. using power adapter, 90 cd/m 2 typical using battery power Size: 127 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, upto 32 GB 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
Environmental
Operating Temperature	0°C ~ +40°C; +40°C ~ +50°C excl. battery
Storage Temperature	-20°C ~ +60°C
Humidity	+10°C ~ +30°C: 95% RH non-condensing +30°C ~ +40°C: 75% RH non-condensing +40°C ~ +50°C: 45% RH non-condensing
Maximum Operating Altitude	Up to 2,000 m (6666 ft) for CAT IV 600 V, CAT III 1000 V Up to 3,000 m (10,000 ft) for CAT III 600 V, CAT II 1000 V Maximum storage altitude 12 km (40,000 ft)
Electro-Magnetic-Compatibility (EMC)	EN 61326 (2005-12) for emission and immunity
Interfaces	Mini-USB-B, Isolated USB port for PC connectivity SD card slot accessible behind instrument battery
1. ±5% if ≥ 1% of nominal voltage ±0.05% of nominal voltage if < 1% of nominal voltage 2. 50Hz/60Hz nominal frequency according to IEC 61000-4-30 3. 400Hz measurements are not supported for Flicker, Mains Signaling and Monitor Mode 4. For nominal voltage 50 V to 500 V

Troubleshoot Real-Time: Analyze the trends using the cursors and zoom tools.
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.
Measure All Three Phases and Neutral: With included four flexible current probes with enhanced thin flex design to fit into the tightest places.
PowerWave Data Capture: Capture fast RMS data, show half-cycle and waveforms to characterize electrical system dynamics (generator start-ups, UPS switching etc.).
Power Inverter Efficiency: Simultaneously measure AC output power and DC input power for power electronics systems using optional DC clamp.
Energy Loss Calculator: Classic active and reactive power measurements, unbalance and harmonic power, are quantified to pinpoint the fiscal costs of energy losses.
Highest Safety Rating in the Industry: 600 V CAT IV/1000 V CAT III rated for use at the service entrance.
System-Monitor: Ten power quality parameters on one screen according to EN50160 power quality standard.
View Graphs and Generate Reports: With included analysis software.
Battery Life: Seven hours operating time per charge on Li-ion battery pack.