Description
Fluke MDA-550-III – Motor Drive Analyzer, 500 MHz, 4 Channel

- Key Measurements: Inverter output voltage, DC bus voltage/ripple voltage, harmonics, unbalance
- Three-tools-in-one: Motor-drive analyzer, waveform analyzer, and recording data logger
- 600 V CAT IV/1000 V CAT III rated for use at the service entrance and downstream
- Guided measurements with graphical step-by-step connection diagrams
- Perform extended harmonics measurements
The Fluke MDA 550 Motor-Drive Analyzer saves time and eliminates the hassle of setting up complex measurements, while simplifying motor-drive troubleshooting. Simply select a test and the step-by-step guided measurements show you where to make voltage and current connections, while the preset measurement profiles ensure you will capture all the data you need for each critical motor-drive section from the input to the output, the DC bus, and the motor itself. From basic to advanced measurements, the MDA-550 has you covered, and with a built-in report generator you can quickly and easily generate as-found, and as-left reports with confidence.
The MDA-550 is the ideal portable motor-drive analysis test tool and can help safely locate and troubleshoot typical problems on inverter type motor-drive systems.
Fluke MDA-550-III Motor Drive Analyzer Features
- Measure key motor-drive parameters including voltage, current, DC Bus voltage level and AC ripple, voltage and current unbalance and harmonics, voltage modulation, and motor shaft voltage discharges.
- Perform extended harmonics measurements to identify the effects of low and high order harmonics on your electrical power system.
- Conduct guided measurements for motor-drive input, DC bus, drive output, motor input and shaft measurements with graphical step-by-step voltage and current connection diagrams.
- Use simplified measurement setup with preset measurement profiles to automatically trigger data collection based on the chosen test procedure.
- Create reports quickly and easily that are perfect for documenting troubleshooting and collaborative work with others. The MDA-550 simplifies the process of gathering data and writing test reports with a built-in report generator.
- Measure additional electrical parameters with full 500 MHz oscilloscope, meter and recording capability for complete range of electrical and electronic measurement on industrial systems.
Featured Measurements
- Drive input
- Measure input voltage and current to quickly see whether values are within acceptable limits by comparing the drive’s nominal rated voltage to the actual supplied voltage.
- Voltage and current unbalance
- Check the voltage unbalance at the input terminals so you can ensure the phase unbalance is not too high (> 6-8 %), and that the phase rotation is correct. You can also check the current unbalance.
- Extended harmonic measurements
- The MDA-550 has three harmonic ranges, 1st to 51st Harmonics, 1 to 9 kHz and 9 kHz to 150 kHz giving the ability to detect any harmonic pollution problems.
- DC bus
- High ripple voltage may be an indicator of failed capacitors or incorrect sizing of the connected motor. The record function can be used to check DC bus performance dynamically in the operating mode while a load is applied.
- Drive output
- Check the output of the drive focusing both on voltage to frequency ratio (V/F), and voltage modulation. When high V/F ratio measurements are experienced, the motor may overheat.
- Voltage modulation
- Measurements of the Pulse Width Modulated signal are used to check for high voltage peaks which can damage motor winding insulation. The rise time or steepness of impulses is indicated by the dV/dt reading (rate of voltage change over time).
- Motor input
- Checking that the current present at the terminals is within the motor rating is important as over current condition could cause the motor to run hot, decreasing the life of the stator insulation which can result in the early failure of the motor.
- Motor shaft voltage
- The MDA-550 is supplied with carbon fiber brush probe tips that can easily detect the presence of destructive flashover currents, while the impulse amplitude and count of events will enable you to take action before failure occurs.
Product General Attributes | |
|---|---|
| Shipping Weight | 21.20 LBS |
| HTS/Schedule B Number | 9030.20.1000 |
| ECCN Number | 3A992.G |
| Country of Origin | Romania |










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