Specifications: Fluke 437 Series II 400 Hz Power Quality Monitor and Energy Analyzer
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 voltage**** | |
Vpk | 1 Vpk to 1400 Vpk | 1 V | 5% of nominal voltage | |
Voltage Crest Factor (CF) | 1.0 > 2.8 | 0.01 | ± 5 % | |
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 % |
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 | ||||
Fluke 437 @ 50 Hz nominal | 42.500 Hz to 57.500 Hz | 0.001 Hz | ± 0.01 Hz | |
Fluke 437 @ 60 Hz nominal | 51.000 Hz to 69.000 Hz | 0.001 Hz | ± 0.01 Hz | |
Fluke 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 | 16GB Wi-Fi SD card for standard models or 8GB SD card for /INTL models (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 | 1 year | |||
View full family specifications » | ||||
* | ± 5 % if ≥ 1 % of nominal voltage ± 0.05 % of nominal voltage if < 1% of nominal voltage | |||
** | 50Hz/60Hz nominal frequency according to IEC 61000-4-30 | |||
*** | 400Hz measurements are not supported for Flicker, Mains Signaling and Monitor Mode | |||
**** | For nominal voltage 50 V to 500 V |