Fluke 437 Series II 400 Hz Power Quality Analyzer

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Fluke 437 Series II 400 Hz Power Quality Analyzer
  • Features & specifications

  • 400 Hz power quality analysis for avionic and military systems
  • Simultaneously measure AC output power and DC input power
  • Capture fast RMS data, show half-cycle and waveforms
  • Analyze the trends using the cursors and zoom tools
  • 600 V CAT IV/1000 V CAT III rated for use at service entrance
  • Every measurement is automatically recorded without any set-up
  • Ten power quality parameters on one screen per EN50160
  • Memory for up to 600 parameters at user defined intervals
  • View graphs and generate reports with analysis software
  • Seven hours operating time per charge on Li-ion battery pack
  • Available for rent

Input characteristics
Number of inputs (voltage) 4 (3 phases + neutral) dc-coupled
Maximum input voltage 1000 Vrms
Nominal voltage range Selectable from 1 V to 1000 V.
Maximum peak measurement voltage 6 kV (transient mode only)
Input impedance (voltage input) 4 MΩ//5 pF
Bandwidth > 10 kHz, up to 100 kHz for transient modr
Scaling 1:1, 10:1, 100:1, 1000:1, 10,000:1 and variable
Number of inputs (current) 4 (3 phases + neutral) dc or ac-coupled
Type Clamp or current transformer with mV output or i430-Flex-TF
Range 0.5 Arms to 600 Arms with included i430-Flex-TF (with sensitivity 10x)
5 Arms to 6000 Arms with included i430-Flex-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 input) 1 MΩ
Bandwidth > 10 kHz
Scaling 1:1, 10:1, 100:1, 1000:1, 10,000:1 and variable
Resolution (sampling) 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 IEC 61000-4-30
PLL synchronization 4096 samples on 10/12 cycles according IEC 61000-4-7
Nominal frequency 50 Hz, 60 Hz and 400 Hz

Display Modes
Waveform display Available in all modes via Scope key
Default display mode for transient function
Display update rate 5x per second
Displays 4 cycles of waveform data om screen, up to 4 waveforms simultaneuosly
Phasor diagram Available in all modes via Scope waveform display
Available in Scope and Unbalance mode
Default view for Unbalance mode
Meter readings Available in all modes except Monitor and Transients, provides tabulated view of all available readings
Fully customizable up to 150 readings for Logger mode
Trend graph Available in all modes except Transients
Single vertical cursor with with min, max and avg reading at cursor position
Bar graph Available in Monitor and Harmonics mode
Event list Available in all modes
Provides waveforms

Measurement modes
Scope 4 voltage waveforms, 4 current waveforms, Vrms, Vfund. Arms, A fund, V @ cursor, A @ cursor, phase angles
Volts/amps/hertz Vrms phase to phase, Vrms phase to neutral, Vpeak, V Crest Factor, Arms Apeak, A Crest Factor, Hz
Dips and swells Vrms½, Arms½, Pinst with programmable threshold levels for event detection
Harmonics dc, 1 to 50 Harmonic Volts, THD, Harmonic Amps, K factor Amps, Harmonic Watts, THD Watts, K factor Watts, Interharmonic Volts, Interharmonic Amps, Vrms, Arms (relative to fundamental or to total rms)
Power and energy Vrms, Arms, Wfull, Wfund., VAfull, VAfund., VAharmonics, VAunbalance, var, PF, DPF, CosQ, Efficiency factor, Wforward, Wreverse
Energy loss calculator Wfund, VAharmonics, VAunbalance, var, A, Loss Active, Loss Reactive, Loss Harmonics, Loss Unbalance, Loss Neutral, Loss Cost (based upon user defined cost / kWh)
Inverter efficiency
(requires optional dc current clamp)
Wfull, Wfund, Wdc, Efficiency, Vdc, Adc, Vrms, Arms, Hz
Unbalance Vneg%, Vzero%, Aneg%, Azero%, Vfund, Afund, V phase angles, A phase angles
Inrush Inrush current, Inrush duration, Arms½, Vrms½
Monitor Vrms, Arms, harmonic Volts, THD Volts, PLT, Vrms½, Arms½, Hz, dips, swells, interruptions, rapid voltage changes, unbalance and mains signalling
All parameters are measured simultaneously in accordance with EN50160
Flagging is applied according to IEC61000-4-30 to indicate unreliable readings due to dips or swells
Flicker Pst(1min), Pst, Plt, Pinst, Vrms ½, Arms ½ Hz
Transients Transient waveforms 4x Voltage 4x Amps, triggers: Vrms ½, Arms ½, Pins
Mains signaling Relative signaling voltage and absolute signaling voltage averaged over three seconds for two selectable signalling frequencies
Power Wave Vrms½, Arms½ W, Hz and scope waveforms for voltage amps and watts
Logger Custom selection of up to 150 PQ parameters measured simultaneously on 4 phases

Product specifications
Parameter Range Resolution Accuracy
Vrms (ac+dc) 1 V to 1000 V phase to neutral 0.01 V ± 0.1 &337; of nominal voltage
Vpk 1 Vpk to 1400 Vpk 1 V 5 % of nominal voltage
Voltage Crest Factor (CF) 1.0 to > 2.8 0.01 ± 5 %
Vrms½ 1 V to 1000 V phase to neutral 0.1 V ± 0.2 % of nominal voltage
Vfund 1 V to 1000 V phase to neutral 0.1 V ± 0.1 % of nominal voltage
Amps (ac + dc): i430-Flex 1x
i430-Flex 10x
1mV/A 1x
1mV/A 10x
5 A to 6000 A
0.5 A to 600 A
5 A to 2000 A
0.5 A to 200 A (ac only)
1 A
0.1 A
1 A
0.1 A
± 0.5% ± 5 counts
± 0.5% ± 5 counts
± 0.5% ± 5 counts
± 0.5% ± 5 counts
Apk: i430-Flex
1 mV/A
8400 Apk
5500 Apk
1 Arms
1 Arms
± 5%
± 5%
A Crest Factor (CF) 1 to 10 0.01 ± 5 %
Amps½: i430-Flex 1x
i430-Flex 10x
1mV/A 1x
1mV/A 10x
5 A to 6000 A
0.5 A to 600 A
5 A to 2000 A
0.5 A to 200 A (ac only)
1 A
0.1 A
1 A
0.1 A
± 1% ± 10 counts
± 1% ± 10 counts
± 1% ± 10 counts
± 1% ± 10 counts
Afund: i430-Flex 1x
i430-Flex 10x
1mV/A 1x
1mV/A 10x
5 A to 6000 A
0.5 A to 600 A
5 A to 2000 A
0.5 A to 200 A (ac only)
1 A
0.1 A
1 A
0.1 A
± 0.5% ± 5 counts
± 0.5% ± 5 counts
± 0.5% ± 5 counts
± 0.5% ± 5 counts
Frequency: 50 Hz nominal
Frequency: 60 Hz nominal
Frequency: 400 Hz nominal
42.500 Hz to 57.500 Hz
51.000 Hz to 69.000 Hz
340.0 to 460.0
0.001 Hz
0.001 Hz
0.1 Hz
± 0.01 Hz
± 0.01 Hz
± 0.1 Hz

Harmonics
Parameter Range Resolution Accuracy
Harmonic order (n) DC, 1 to 50 grouping: harmonic groups according to IEC 61000-4-7
Inter-Harmonic order Off, 1 to 49 grouping: harmonic and interharmonic subgroups according to IEC 61000-4-7
Volts: (%f)
Volts: (%r)
Volts: Absolute
Volts: THD
0.0 % to 100.0 %
0.0 % to 100.0 %
0 to 1000 V
0.0 % to 100.0 %
0.1 %
0.1 %
0.1 V
0.1 %
± 0.1 % ± n x 0.1 %
± 0.1 % ± n x 0.4 %
± 5 %
± 2.5 %
Amps: (%f)
Amps: (%r)
Amps: Absolute
Amps: THD
0.0 % to 100.0 %
0.0 % to 100.0 %
0 to 600 A
0.0 % to 100.0 %
0.1 %
0.1 %
0.1 A
0.1 %
± 0.1 % ± n x 0.1 %
± 0.1 % ± n x 0.4 %
± 5 % ± 5 counts
± 2.5 %
Watts: (%f or %r)
Watts: Absolute
Watts: THD
0.0 % to 100.0 %
Depends on clamp scaling and V nominal
0.1 %
n/a
0.1 %
± n x 2 %
± 5 % ± n x 2 % ± 10 counts
± 5 %
Phase angle -360 ° to +0 ° 1 ° ± n x 1 °

General Specifications
Case Rugged, shock proof with integrated protective holster
Drip and dust proof (IP51) according to IEC60529 when used in tilt stand position
Shock & 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 typical using power adapter, 90 cd/m2 typical using battery power
Size: 127 mm x 88 mm (153mm/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 optional
Real-time clock Time and date stamp for Trend mode, Transient display and System Monitor and event capture
Operating temperature 0 °C to +40 °C
Storage temperature -20 °C to +60 °C
Interfaces Mini-USB, Isolated USB port for PC connectivity
SD card slot accessible behind instrument battery
Accessories included BC430 Power Adapter
International plug adapter set
BP290 (Single capacity Li-ion battery) 28Wh (Up to 8 hours)
TL430 Test lead and Alligator clip set
WC100 color coding clips and regional decals
i430flex-TF, 24 inch (61cm) length, 4 clamps
8 GB SD card
PowerLog on CD (includes operator manuals in PDF format)
USB cable A-Bmini
C437 Hard Case with rollers