Fluke 438-II Power Quality Analyzer & Motor Analyzer
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Brand:Fluke
Branch: Industrial Grade
Category: Power Quality Analyzers
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Overview
Specifications
Features
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Fluke 438-II power quality analyzer measures electrical power parameters such as voltage, current, power, apparent power, power factor, harmonic distortion and unbalances to identify characteristics that impact motor efficiency.
Fluke 438-II Power Quality Analyzer & Motor Analyzer has motor Frequency Range 40Hz to 70Hz. Iconic Engineering Limited the Fluke agent always provides the right tools for our customers. We know our customer value. They are the main focal point for us. We always try to keep supporting our customers.
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Amps (accuracy excluding clamp accuracy)
| Drive Measurement Details | ||||
|---|---|---|---|---|
| Motor Type | 3 phase asynchronous (induction) | |||
| Power Source | Variable Frequency Drive | |||
| Motor Frequency Range | 40Hz to 70Hz | |||
| Over/Under Voltage from Nominal V/f Curve (%) | -15% to +15% | |||
| Carrier Frequency Range | 2.5kHz–20kHz | |||
| Variable speed drive technology that is covered by the 438-II | ||||
| Inverter Type | VSI only (voltage controlled) * | |||
| Control Method | V/f control, open-loop vector, closed loop vector, drives with encoders. | |||
| Frequency | 40 to 70 Hz | |||
| * VSI drives are the most common drives. The alternative CSI drives are used in higher power applications. | ||||
| Variable speed drive technology NOT covered by the 438-II | ||||
| Inverter Type | CSI (current source inverter) | |||
| Motors type | Synchronous (DC, stepper, permanent magnet etc.) | |||
| Motor Frequency | <40 and >70 Hz | |||
| Mechanical specifications | ||||
| Mechanical measurements can be performed on direct online motors with a 3 wire connection. | ||||
| Motor measurement | ||||
| Range | Resolution | Accuracy | Default limit | |
| Mechanical motor Power |
0.7 kW to 746 kW 1 hp to 1000 hp |
0.1 kW 0.1 hp |
±3% 1 ±3% 1 |
100% = rated power 100% = rated power |
| Torque | 0 Nm to 10 000 Nm 0 lb ft to 10 000 lb ft |
0.1 Nm 0.1 lb ft |
±5% 1 ±5% 1 |
100% = rated torque 100% = rated torque |
| rpm | 0 rpm to 3600 rpm | 1 rpm | ±3% 1 | 100% = rated rpm |
| Efficiency | 0% to 100% | 0.10% | ±3% 1 | NA |
| Unbalance (NEMA) | 0% to 100% | 0.10% | ±0.15% | 5% |
| Harmonics Voltage Factor (NEMA) |
0 to 0.20 | 0.1 | ±1.5% | 0.15 |
| Unbalance Derating Factor |
0.7 to 1.0 | 0.1 | indicative | NA |
| Harmonics Derating Factor |
0.7 to 1.0 | 0.1 | indicative | NA |
| Total NEMA Derating Factor |
0.5 to 1.0 | 0.1 | indicative | NA |
| Notes: | Supports motor design types NEMA A, B, C, D & E and IEC type H and N. Rated torque is calculated from rated power and rated speed. Update rate of Motor Measurements is 1x per second. Default Trend duration is 1 week. |
|||
| 1Add 5% error when selecting Motor design type Other Specification valid for Motor Power > 30% of rated power Specification valid at stable operating temperature. Run the motor for at least 1 hour at full load (2-3 hours if the motor is 50 HP or higher) to obtain stable temperature |
||||
| 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 1 | |
| Vpk | 1 Vpk to 1400 Vpk | 1 V | 5% of nominal voltage | |
| Voltage Crest Factor (CF) | 1.0 > 2.8 | 0.01 | ±5% | |
| Vrms½ | 0.1 V | ±0.2% of nominal voltage | ||
| Vfund | 0.1 V | ±0.1% of nominal voltage | ||
| 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 | ||||
| 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 | |
| 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) standard, upto 32 GB 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 |
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| 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) |
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| 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 | |||
- Measure electrical power parameters such as voltage, current, power, apparent power, power factor, harmonic distortion and unbalance to identify characteristics that impact motor efficiency
- Measure key parameters like speed, torque and mechanical power without mechanical sensor all while the motor is in service simply by using three-phase input measurements
- Calculate Mechanical Power and Efficiency without the need for mechanical sensors
- Automatically calculate motor derating according to NEMA/IEC guidelines
- Highest safety rating in the industry: 600 V CAT IV/1000 V CAT III rated for use at the service entrance.
- Fluke Connect® compatible* – view data locally on the instrument, via Fluke Connect mobile app and PowerLog 430-II desktop software
- PowerWave data technology captures fast RMS data and shows half-cycle averages and waveforms to characterize electrical system dynamics (generator start-ups, UPS switching, etc.
- Identify power quality issues such as dips, swells, transients, harmonics and unbalance
- Waveform capture function captures 100/120 cycles (50/60 Hz) of each event detected the event, in all modes, without set-up
- Automatic transient mode captures waveform data at 200 kS/s on all phases simultaneously up to 6 kV
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