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Fluke 437-II
Catalog #: 4116692
400 Hz Three-Phase Power Quality and Energy Analyzer
- Overview
- Specifications
- Summary
- Cases
- Accessories
- Current Clamps/Probes
Discontinued and replaced with Fluke 1777
Product Highlights
- Energy loss calculator: Classic active and reactive power measurements, unbalance and harmonic power, are quantified to pinpoint true system energy losses in dollars (other local currencies available).
- Power inverter efficiency: Simultaneously measure AC output power and DC input power for power electronics systems using optional DC clamp.
- PowerWave data capture: 435 and 437 Series II analyzers capture fast RMS data, show half-cycle and waveforms to characterize electrical system dynamics (generator start-ups, UPS switching etc.).
- Waveform capture: 435 and 437 Series II models capture 100/120 cycles (50/60Hz) of each event that is detected in all modes, without set-up.
- Automatic Transient Mode: 435 and 437 Series II analyzers capture 200 kHz waveform data on all phases simultaneously up to 6 kV.
- Fully Class-A compliant: 435 and 437 Series II analyzers conduct tests according to the stringent international IEC 61000-4-30 Class-A standard.
- Mains signaling: 435 and 437 Series II analyzers measure interference from ripple control signals at specific frequencies.
- 400 Hz measurement: 437 Series II analyzer captures power quality measurements for avionic and military power systems.
- Troubleshoot real-time: Analyze the trends using the cursors and zoom tools.
- Highest safety rating in the industry: 600 V CAT IV/1000 V CAT III rated for use at the service entrance.
- Measure all three phases and neutral: With included four flexible current probes with enhanced thin flex designed to fit into the tightest places.
- Automatic Trending: Every measurement is always automatically recorded, without any set-up.
- System-Monitor: Ten power quality parameters on one screen according to EN50160 power quality standard.
- Logger function: Configure for any test condition with memory for up to 600 parameters at user defined intervals.
- View graphs and generate reports: With included analysis software.
- Battery life: Seven hours operating time per charge on Li-ion battery pack.
Each Unit Includes
- C437 Hard Case with rollers
- BC430 Power Adapter
- International plug adapter set
- BP290 (Single capacity Li-ion battery) 28Wh (7 hours or more)
- 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
- ISO 9001 - Statement of Calibration Practices (W/Data)
Technical Data |
Voltage inputs |
Number of inputs |
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 |
4 MΩ//5 pF |
Bandwidth |
> 10 kHz, up to 100 kHz for transient mode |
Scaling |
1:1, 10:1, 100:1, 1,000:1 10,000:1 and variable |
Current inputs |
Number of inputs |
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 |
1 MΩ |
Bandwidth |
> 10 kHz |
Scaling |
1:1, 10:1, 100:1, 1,000:1 10,000:1 and variable |
Sampling system |
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 |
Nominal frequency |
434-II and 435-II: 50 Hz and 60 Hz
437-II: 50 Hz, 60 Hz and 400 Hz |
Display modes |
Waveform display |
Available in all modes via SCOPE key
435-II and 437-II: Default display mode for Transients function
Update rate 5x per second
Displays 4 cycles of waveform data on screen, up to 4 waveforms simultaneously |
Phasor diagram |
Available in all modes via Scope waveform display
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 min max and avg reading at cursor position |
Bar graph |
Provides 50/60** cycles of waveform information and associated 1/2 cycle rms values for Volts and Amps |
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, up to 9th harmonic for 400 Hz |
Harmonics 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 (435-II and 437-II only) |
Pst(1min), Pst, Plt, Pinst, Vrms ½, Arms ½, Hz |
Transients (435-II and 437-II only) |
Transient waveforms 4x Voltage 4x Amps, triggers: Vrms ½, Arms ½, Pinst |
Mains Signaling (435-II and 437-II only) |
Relative signaling voltage and absolute signaling voltage averaged over three seconds for up to two selectable signaling frequencies |
Power Wave (435-II and 437-II only) |
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 |
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 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, upto 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 |
Phase angle Measurement range: |
-360° … +360° |
Included accessories |
Power options |
BC430 Power Adapter
International plug adapter set
BP290 (Single capacity Li-ion battery) 28Wh (7 hours or more) |
Leads |
TL430 Test lead and Alligator clip set |
Color coding |
WC100 color coding clips and regional decals |
Flexible current probes |
i430flex-TF, 24 inch (61cm) length, 4 clamps |
Memory, Software and PC connection |
8 GB SD card
PowerLog on CD (includes operator manuals in PDF format)
USB cable A-Bmini |
Carrying case |
C1740 Soft Case for 434-II and 435-II
C437 Hard Case with rollers for 437-II |
Type (Power Quality) |
3 Phase, Single Phase |
Maximum Current AC |
6000 A |
Maximum Current DC |
600 A |
Maximum Voltage AC |
1000 V |
Maximum Voltage DC |
1000 V |
True Power / Work ( W) |
Yes |
Apparent Power (VA) |
Yes |
Reactive Power (VAR) |
Yes |
Current Input Channels |
4 |
Voltage Input Channels |
4 |
Measurement Frequency (Power Quality) |
400 Hz, 50 Hz, 60 Hz |
Display (Power Quality) |
Digital, Graphical, Oscilloscope |
Alarms |
Yes |
Transient Capture |
Yes |
Minimum Transient Duration |
micro-seconds |
Displays Waveform |
Yes |
Energy |
Yes |
Phasor Diagrams |
Yes |
Power Factor (Power Quality) |
Yes |
Harmonics |
Yes |
Maximum Harmonics Range |
50 |
Current Clamps Included |
Yes |
Class A Compliant |
Yes |
Crest Factor |
Yes |
CAT Rating |
IV |
CAT Voltage Rating (V) |
1000V, 600V |
GPS Location |
Yes |
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Unique Features |
The Fluke 437 Series II Power Quality and Energy
Analyzer is designed specifically for the defense
and avionics industries. Equipped with all the
functionalities of the 435 II including PowerWave,
Power Inverter Efficiency and an Energy Loss
Calculator, the 437 II goes one step further by
measuring up to 400 Hz. The ability to measure
at a higher frequency is necessary for those
working in submarines, aircrafts, and other transport applications. |
Warranty |
3 YEARS |
Warranty Details |
Three years (parts and labor) on main instrument, one year on accessories |
Calibration Included |
None |
Power Supply Voltage |
120V/220V Universal, Battery Powered |
Safety Approval |
CSA, UL |
Data Logging |
Yes |
Interfaces I/O |
Analog Output, Other, RS-232, Analog Input , USB |
Storage |
SD Card |
IP Rating |
IP51 |
Product Weight |
29.28 LBS |
Battery Type |
Li-ion |
Product Height |
9.84 IN |
Product Length |
24.02 IN |
Product Width |
16.14 IN |
Shipping Weight |
32.21 LBS |
Country of Origin |
Romania |
Shipping Height |
9.84 IN |
Shipping Length |
24.02 IN |
Shipping Width |
16.14 IN |
UPC |
095969615594 |
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Cases
Product |
Price |
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Fluke C437-II
Catalog #: 4116743
Hard Rolling Case with Rollers
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$1,110.24
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Accessories
Product |
Price |
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Fluke 430-II/MA
Catalog #: 4779032
Motor Analyzer Upgrade Kit
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$3,722.24
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Fluke AC285
Catalog #: 1610159
SureGrip Alligator Clips
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$60.24
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Fluke BP290
Catalog #: 4025762
Li-Ion Single Capacity Battery Pack for Fluke 190-Series II ScopeMeter Test Tool
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$331.24
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Fluke BP291
Catalog #: 3894688
Li-Ion Double Capacity Battery Pack
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$463.24
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Fluke EBC290
Catalog #: 3894906
External Battery Charger
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$174.24
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Current Clamps/Probes
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