- Description
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Details
The Fluke 437 Series II 400Hz Power Quality and Energy Analyzer is designed specifically for the defense and avionics industries. Capable of measuring up to 400 Hz, the 437 II is a must-have for those working in submarines, aircrafts, and other transport applications.
Applications
- 400 Hz measurement – capture power quality measurements for avionic and military power systems.
- PowerWave data capture – capture fast RMS values to see every waveform so you can determine how the voltage, current and frequency values are interacting.
- Power inverter efficiency – measure both ac power and dc power, in and out, to monitor the efficiency of inverters.
- 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.
- Frontline troubleshooting – quickly diagnose problems on-screen to get your operation back online.
- Predictive maintenance – detect and prevent power quality issues before they cause downtime.
- Long-term analysis – uncover hard-to-find or intermittent issues.
- Load studies – verify electrical system capacity before adding loads.
- 400 Hz measurement: By increasing the power frequency to 400 Hz, transformers and motors can be much smaller and lighter than at 50 or 60 Hz, which is an advantage in aircrafts, submarines, space crafts, and other military equipment and hand-held tools. The 437 II model captures power quality measurements for these types of avionic and military systems.
- Power inverter efficiency: Simultaneously measure AC output power and DC input power for power electronics systems using optional DC clamp.
- PowerWave data capture: Capture fast RMS data, show half-cycle and waveforms to characterize electrical system dynamics (generator start-ups, UPS switching etc.).
- Energy loss calculator: Classic active and reactive power measurements, unbalance and harmonic power, are quantified to pinpoint the fiscal costs of energy losses.
- 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 design 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.
- Specifications
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Additional Information
Specification Product specifications
Model Measurement range Resolution Accuracy Volt Vrms (ac+dc) 434-II 1 V to 1000 V phase to neutral 0.1 V ± 0.5% of nominal voltage**** 435-II and 437-II 1 V to 1000 V phase to neutral 0.01 V ± 0.1% of nominal voltage**** 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 and 437-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 1A ± 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 1A ± 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 435/7 @ 50 Hz nominal 42.500 Hz to 57.500 Hz
0.001 Hz
± 0.01 HzFluke 435/7 @ 60 Hz nominal 51.000 Hz to 69.000 Hz
0.001 Hz
± 0.01 HzFluke 437 @ 400 Hz nominal 340.0 Hz to 460.0 Hz 0.1 Hz ± 0.1 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% * 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(1min) 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 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-condensingMaximum 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 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 - Downloads
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Product Attachments
Fluke 434/5/7 II User Manual Size: (2.55 MB)
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