Fluke 435-II Power Quality and Energy Analyzers
Volt
Model
Measurement Range
Resolution
Accuracy
Vrms (AC + DC)
434-II
1 V to 1000 V phase to neutral
0.1 V
±0.1% of nominal voltage1
435-II
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
434-II
1 V to 1000 V phase to neutral
0.1 V
± 1 % of nominal voltage
434-II and 435-II
0.1 V
±0.2% of nominal voltage
Vfund
434-II
1 V to 1000 V phase to neutral
0.1 V
± 0.5 % of nominal voltage
435-II
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%
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
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
Fluke 435 @ 50 Hz Nominal
42.500 Hz to 57.500 Hz
0.001 Hz
±0.01 Hz
Fluke 435 @ 60 Hz Nominal
51.00 Hz to 69.00 Hz
0.001 Hz
±0.01 Hz
Power
Watts (VA, var)
i430-Flex
max 6000 MW
0.1 W to 1 MW
±1% ±10 counts
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), 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
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
Warranty
Three years (parts and labor) on main instrument, one year on accessories
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
