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Fluke 438-II/BASIC Fluke 438-II Power Quality and Motor Analyzer/Basic

 
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Fluke 438-II/BASIC
Catalog #: 4778990
         
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POWER QUALITY And MOTOR ANALYZER, W/O CLAMPS, NOFC
Free Gift From Fluke With Purchase

Features

  • Power Quality and Motor Analyzer without Clamps and FC WiFi SD Card
  • 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 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
  • 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.)
  • Measure key parameters on direct-on-line motors including torque, RPM, mechanical power and motor efficiency
  • Perform dynamic motor analysis by plotting of motor derating factor against load according to NEMA/IEC guidelines
  • Calculate mechanical power and efficiency without the need of mechanical sensors, just connect to the input conductors and you're ready to go
  • Measure electrical power parameters such as voltage, current, power, apparent power, power factor, harmonic distortion and unbalance to identify characteristics that impact motor efficiency
  • Safety rated for industrial applications 600 V CAT IV/1000 V CAT III rated for use at the service entrance and downstream
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Fluke 438-II Power Quality and Motor Analyzer

Fluke 438-II/BASIC Fluke 438-II Power Quality and Motor Analyzer/Basic

         
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Product Information

Fluke 438-II/Basic Power Quality and Motor Analyzer without Clamps and FC WiFi SD Card

 
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Fluke 438-II Power Quality and Motor Analyzer

KEY MEASUREMENTS

Electrical power, harmonics, unbalance, motor speed, torque and mechanical power without the need of mechanical sensors.

FLUKE CONNECT ® COMPATIBLE*

View data locally on the instrument, via Fluke Connect mobile app and PowerLog 430-II desktop software.

SAFETY RATED FOR INDUSTRIAL APPLICATIONS

600 V CAT IV/1000 V CAT III rated for use at the service entrance and downstream.

* Not all models are available in all countries. Check with your local Fluke representative.

Fluke_438-II_flukeconnect
Preventive maintenance simplified. Rework eliminated.
Save time and improve the reliability of your maintenance data by wirelessly syncing measurements using the Fluke Connect® system.
  • Eliminate data-entry errors by saving measurements directly from the tool and associating them with the work order, report or asset record.
  • Maximize uptime and make confident maintenance decisions with data you can trust and trace.
  • Access baseline, historical and current measurements by asset.
  • Move away from clipboards, notebooks and multiple spreadsheets with a wireless one-step measurement transfer.
  • Share your measurement data using ShareLive TM video calls and emails.
  • 438-ll is part of a growing system of connected test tools and equipment maintenance software. Visit the website to learn more about the Fluke Connect® system.
  Download the app at:
fluke-connect-appstore fluke-connect-googleplay

Overview


The Fluke 438-II/Basic Power Quality and Motor Analyzer adds key electric motor mechanical measurements to the Fluke-430-II Series Power Quality Analyzers. An electric motor converts electrical energy into rotational forces that is used to drive critical industrial rotating machines like pumps, compressors and fans. By analyzing the input power the Fluke 438IIBasic can calculate the mechanical forces transferred to the mechanical load, without having to use an inline force transducer.
 

Quickly and easily discover electrical and  mechanical performance of electric motors, and  evaluate power quality with a single test tool

The new Fluke 438-II Power Quality and Motor Analyzer adds key  mechanical measurement capabilities for electric motors to the  advanced power quality analysis functions of the Fluke 430 Series  II Power Quality Analyzers. Quickly and easily measure and ana - lyze key electrical and mechanical performance parameters such as  power, harmonics, unbalance, motor speed, torque and mechanical  power without the need of mechanical sensors.

The ideal portable motor analysis test tool, the 438-II can help  locate, predict, prevent, and troubleshoot power quality problems  in three-phase and single-phase power distribution systems, while  giving technicians the mechanical and electrical information they  need to effectively evaluate motor performance.
 

Motor torque

Calculates the amount of rotational force (displayed  in lb.ft or Nm) developed by a motor and transmitted to a driven mechanical load. The motor torque  is the single most critical variable that characterizes the instantaneous mechanical performance of  rotating equipment driven by electric motors.
 

Motor speed

Motor mechanical load Measures the actual mechanical power (displayed  in hp or kW) produced by motors and provides a  direct link to overloading conditions without simply  basing it on the motor current.
 

Motor efficiency

Shows the effectiveness of each motor within a  machine, assembly line, plant, and/or facility in  converting electric power to useful mechanical  work. By properly aggregating the efficiencies of  a population of motors the total (aggregate) effi - ciency can be estimated. Comparisons to expected  motor efficiencies at observed operating conditions  can help quantify the cost associated with motor  energy inefficiency.
 

How it works

Using proprietary algorithms, the Fluke 438-II  Power Quality and Motor Analyzer uses three- phase current and voltage waveforms to calculate  motor torque, speed, load and efficiency at a  1 second update rate.  The motor air gap field,  as observed via the voltage/current waveforms,  provides the basis for the measurements. Mechani - cal sensors and intrusive no-load motor testing is  not required, making it faster than ever to analyze  overall electric motor performance.
 

Quick and easy measurement setup

 


Simply hookup the voltage measurement leads and flexible current probes to the service supplying the motor.

Quick and easy measurement setup

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Input details of the motor from the rating plate  including rated power, rated speed and motor type  from either NEMA or IEC classifications.

Motor Setup

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Note: Measurement units can be set to local requirements hp/kW, lb ft/Nm etc.

Motor Analyzer

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Electrical motor analysis

The Fluke 438-II provides a complete breakdown  of electrical parameters. Prior to beginning motor  analysis, it’s recommended to make base line  power quality measurements to assess the state of  harmonics and unbalance on the electrical service  output as these two properties can have a serious  negative impact,  on motor performance.

When in Motor Analysis mode, results are sum - marized for electrical performance, mechanical  performance and derating (according to NEMA  recommendations).

The easy to understand four-level color severity  scale indicates motor performance in relation to  the recommended electrical parameter levels  including rated power, power factor, unbalance  and harmonics.

For mechanical power you can instantly view  the mechanical output power along with motor  torque and speed. The mechanical output power  is instantly compared with electrical power to  provide you with live efficiency measurements.   With this feature you can easily measure machine  performance during each operation cycle.

The NEMA derating screen is updated as the load  and the electrical conditions change, and each  new measurement is plotted on the tolerance  graph as a “+”. In this example we can see that  motor is within tolerance but is  close to the service factor. This indicates that there may be a  need for power quality mitigation, motor main - tenance or some other performance improving  adjustment. By frequently performing these tests  over time, known benchmarks and performance  trends can be created, enabling informed  maintenance investment decisions
 
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Motor Analyzer

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Motor Analyzer

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Motor Analyzer


Applications:

  • Industrial Manufacturing Plants
  • Electrical Contracting and Consulting
  • Commercial and Institutional Facility Management Departments

What's In The Box

  • Test lead set
  • Battery
  • Power adapter
  • 8GB SD card
  • Soft carry case
  • CD Rom with PowerLog 430-II software and user documentation

Specifications

Specifications
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 voltage1
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 (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 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
1. ±5% if ≥ 1% of nominal voltage ±0.05% of nominal voltage if < 1% of nominal voltage
2. 50Hz/60Hz nominal frequency according to IEC 61000-4-30
3. 400Hz measurements are not supported for Flicker, Mains Signaling and Monitor Mode
4. For nominal voltage 50 V to 500 V

Fluke 438-II/BASIC Product Specifications Summary:
(for full specs please see the full specs tab or the data sheet)

Power Measurement/Power Quality Analyzer Template

Type (Power Quality) What's This?3 Phase, Single Phase
Maximum Current AC What's This?6000 A 
Maximum Current DC600 A 
Maximum Voltage AC1000 V
True Power / Work ( W) What's This?Yes
Apparent Power (VA) What's This?Yes
Reactive Power (VAR) What's This?Yes
Current Input Channels4
Voltage Input Channels4
Measurement Frequency (Power Quality)50 Hz, 60 Hz
Display (Power Quality)Digital, Graphical, Oscilloscope
Graphical Display TypeLCD
AlarmsYes
Transient Capture What's This?Yes
Displays Waveform What's This?Yes
Energy What's This?Yes
Phasor Diagrams What's This?Yes
Power Factor (Power Quality) What's This?Yes
Harmonics What's This?Yes
Maximum Harmonics Range50
Current Clamps IncludedNo
Class A Compliant What's This?Yes
Crest FactorYes
CAT Rating What's This?IV
CAT Voltage Rating (V) What's This?600V
GPS LocationNo

Test Equipment General Attributes

Unique FeaturesCombines motor analysis with electrical performance.
Calculates Motor Torque, Motor Speed, Motor Load and Motor Efficiency
Four-level color severity scale.
NEMA Derating
Fluke Connect
Warranty3 YEARS
Warranty Details Three years (parts and labor) on main instrument, one year on accessories
Calibration IncludedNone
Power Supply Voltage120V 50/60 Hz
Safety ApprovalCE
Data Logging What's This?Yes
Interfaces I/O Bluetooth, USB Host, USB
StorageSD Card 
IP Rating What's This?IP51
Battery TypeLi-ion
Shipping Weight9 LBS
Country of OriginRomania

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