Fluke 438-II Power Quality Analyzer & Motor Analyzer

Fluke 438-II Power Quality Analyzer & Motor Analyzer

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Brand:Fluke
Branch: Industrial Grade

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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° ±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
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
  • 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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