Fluke 438 Series II Three Phase Power Quality & Motor Analyzer 438-II 2

Description

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The Following Items Are Included:
Fluke 438 Series II Three Phase Power Quality & Motor Analyzer (BC# 41617-L/T*)
Installed Options:
V/A/Hz
Dips & Swells
Harmonics
Power & Energy
Energy Loss Calculator
Power Inverter Efficiency
Unbalance
Inrush
Monitor
Flicker
Transients
Power Scope Record
Main Signalling
Event Capture
Motor Analyzer
Fluke i430 Flex Cables
Test Leads
Fluke Alligator Clips
AC Adapter/Charger
USB PC Interface Cable
User Manual On Cd-ROM
Carrying Case (G)
BE SURE TO CHECK OUR EBAY STORE FOR OTHER ITEMS!
This Item Has A Current Calibration!
Fluke 438 Series II HandHeld Three Phase Power Quality & Motor Analyzer
Installed options:
- V/A/Hz
- Dips & Swells
- Harmonics
- Power & Energy
- Energy Loss Calculator
- Power Inverter Efficiency
- Unbalance
- Inrush
- Monitor
- Flicker
- Transients
- Power Scope Record
- Main Signalling
- Event Capture
- Motor Analyzer
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
Includes i430 Flex Cables, Carrying Case & Accessories As Listed Above!
Working Condition: Excellent
Condition: Refurbished
Calibrated: Yes
Warranty: 1 YEAR WARRANTY
Fluke 438-II Power Quality And Motor Analyzer
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 analyze 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.
Measure key parameters on direct-on-line motors and motors driven by specific variable frequency drive systems including torque, RPM, mechanical power and motor efficiency
Perform dynamic motor analysis by plotting of motor de-rating factor against load according to NEMA 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
Identify power quality issues such as dips, swells, transients, harmonics and unbalance
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.)
Waveform capture function captures 100/120 cycles (50/60 Hz) of each 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.
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
Provides the instantaneous motor shaft rotational speed. Combined with the motor torque, motor speed provides a snapshot of the mechanical performance of rotating equipment driven by electric motors.
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) efficiency 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 threephase 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. Mechanical sensors and intrusive no-load motor testing is not required, making it faster than ever to analyze overall electric motor performance.
Motor Types
The Fluke 438-II can analyze both direct-on-line motors and motors powered by variable frequency drive (VFD) systems. The VFD must be a voltage controlled system (VSI) with a voltage / frequency range of 40 to 70Hz, and a carrier range of 2.5kHz to 20kHz.
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 summarized 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 maintenance 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.
Specifications:
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
Variable speed drive technology NOT covered by the 438-II
Inverter Type
CSI (current source inverter)
Motors type
Non-synchronous (DC, stepper, permanent magnet etc.)
Motor Frequency
<40 and >70 Hz
Mechanical
Mechanical motor Power
Range:  0.7 kW to 746 kW 1 hp to 1000 hp
Resolution:  0.1 kW 0.1 hp
Accuracy: ± 3 % ± 3 %
Default Limit: 100 % = rated power 100 % = rated power
Torque
Range:  0 Nm to 10 000 Nm 0 lb ft to 10 000 lb ft
Resolution: 0.1 Nm 0.1 lb ft
Accuracy: ± 5 % ± 5 %
Default Limit: 100 % = rated torque 100 % = rated torque
rpm
Range: 0 rpm to 3600 rpm
Resolution: 1 rpm
Accuracy: ± 3 %
Default Limit: 100 % = rated rpm
Efficiency
Range: 0 % to 100 %
Resolution: 0.1 %
Accuracy: ± 3 %
Default Limit: NA
Unbalance (NEMA)
Range: 0 % to 100 %
Resolution: 0.10 %
Accuracy: ± 0.15 %
Default Limit: 5%
Harmonics Voltage Factor (NEMA)
Range: 0 to 0.20
Resolution:-
Accuracy: ± 1.5 %
Default Limit: 0.15
Unbalance Derating Factor
Range: 0.7 to 1.0
Resolution: -
Accuracy: indicative
Default Limit: NA
Harmonics Derating Factor
Range: 0.7 to 1.0
Resolution: -
Accuracy: indicative
Default Limit: NA
Total NEMA Derating Factor
Range: 0.5 to 1.0
Resolution: -
Accuracy: indicative
Default Limit: NA
For full Fluke 438-II Power Quality Logger product specifications, please click here:
Fluke 438-II
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