(Fluke Registration required before purchase. Please contact Laserman for more information on +61 8 9335 1718 )
Item No. 5282560
Model Number: FLUKE-MDA-550-III
Simplify complex motor-drive troubleshooting with guided test setups and automated drive measurements that provide reliable, repeatable test results.
Key features
- Measure key motor drive parameters including DC Bus voltage level and AC ripple, voltage and current unbalance, voltage modulation, harmonics, and motor shaft voltage discharges
- Provides 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.
- Simplified measurement setup with preset measurement profiles to automatically trigger data collection based on the chosen test procedure.
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.
- 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.
- Measure additional electrical parameters with full 500 MHz oscilloscope, meter and recording capability for complete range of electrical and electronic measurement on industrial systems.
The Fluke MDA-550 Motor Drive Analyzer uses guided test measurements to make analysis easier than ever
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. Then, check the input current to determine if the current is within the maximum rating and the conductors are suitably sized. You can also check whether the harmonic distortion is within an acceptable level by visually inspecting the waveform shape or by viewing the harmonics spectrum screen which shows both the total harmonic distortion and individual harmonics.
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, as excessive unbalance may indicate a drive rectifier problem.
Extended harmonic measurements
Excessive harmonics are not just a threat to your rotating machines but also to other equipment connected to the electrical power system. The MDA-550 provides the ability to discover the harmonics of the motor-drive but can also discover the possible effects of inverter switching electronics. 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
In a motor-drive the conversion of AC to DC inside the drive is critical, having the correct voltage and adequate smoothing with low ripple is required for the best drive performance. 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. With low V/F ratios, the connected motor may not be able to provide the required torque at the load to sufficiently run the intended process.
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), this should be compared to the motor’s specified insulation. The measurements can also be used to measure switching frequency to identify whether there is a potential issue with electronic switching, or with grounding, where the signal floats up and down.
Motor input
Ensuring that voltage is being supplied at the motor input terminals is key, and the selection of cabling from drive to the motor is critical. Incorrect cabling selection can result in both drive and motor damage due to excessive reflected voltage peaks. 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
Voltage pulses from a variable speed drive can couple from a motor’s stator to its rotor, causing a voltage to appear on the rotor shaft. When this rotor shaft voltage exceeds the insulating capacity of the bearing grease, flashover currents (sparking) can occur, causing pitting and fluting of the motor bearing race, damage that can cause a motor to fail prematurely. 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. The addition of this accessory allows you to discover potential damage without investing in expensive permanently installed solutions.
Step-by-step guided measurements ensure you have the data you need, when you need it
The MDA-550 is engineered to help you quickly and easily test and troubleshoot typical problems on three-phase and single-phase inverter type motor-drive systems. The on-screen information, and step-by-step setup guidance make it easy to configure the analyzer and get the drive measurements you need to make better maintenance decisions, fast. From power input to the installed motor, the MDA-550 provides the measurement capability for the fastest motor-drive troubleshooting.
Specifications: Fluke MDA-550 Series III Motor Drive Analyzer
| Measurement and Analysis Combinations | |||||
| Test point | Sub group | Reading 1 | Reading 2 | Reading 3 | Reading 4 |
| Motor drive input | |||||
| Voltage and current | |||||
| Phase-phase | V-A-Hz | V ac+dc | A ac+dc | Hz | |
| V peak | V peak max | V peak min | V pk-to-pk | Crest factor | |
| A peak | A peak max | A peak min | A pk-to-pk | Crest factor | |
| Phase-ground | V-A-Hz | V ac+dc | A ac+dc | Hz | |
| V peak | V peak max | V peak min | V pk-to-pk | Crest factor | |
| A peak | A peak max | A peak min | A pk-to-pk | Crest factor | |
| Voltage unbalance | Unbalance | V ac+dc | V ac+dc | V ac+dc | Unbalance |
| Peak | V pk-to-pk | V pk-to-pk | V pk-to-pk | ||
| Current unbalance | Unbalance | A ac+dc | A ac+dc | A ac+dc | Unbalance |
| Peak | A pk-to-pk | A pk-to-pk | A pk-to-pk | ||
| Motor drive DC bus | |||||
| DC | V dc | V pk-to-pk | V peak max | ||
| Ripple | V ac | V pk-to-pk | Hz | ||
| Motor drive output | |||||
| Voltage and current (filtered) | V-A-Hz | V PWM | A ac+dc | Hz | V/Hz |
| V peak | V peak max | V peak min | V pk-to-pk | Crest factor | |
| A peak | A peak max | A peak min | A pk-to-pk | Crest factor | |
| Voltage unbalance | Unbalance | V PWM | V PWM | V PWM | Unbalance |
| Peak | V pk-to-pk | V pk-to-pk | V pk-to-pk | ||
| Current unbalance | Unbalance | A ac+dc | A ac+dc | A ac+dc | Unbalance |
| Peak | A pk-to-pk | A pk-to-pk | A pk-to-pk | ||
| Voltage modulation | |||||
| Phase-phase | Zoom 1 | V PWM | V pk-to-pk | Hz | V/Hz |
| Zoom 2 | V peak max | V peak min | Delta V | ||
| Zoom 3 peak | V peak max | Delta V/s | Risetime peak | Overshoot | |
| Zoom 3 level | Delta V | Delta V/s | Risetime level | Overshoot | |
| Phase-ground | Zoom 1 | V PWM | V pk-to-pk | V peak max | V peak min |
| Zoom 2 | V Peak max | V peak min | Delta V | Hz | |
| Zoom 3 peak | V Peak max | Delta V/s | Risetime peak | Overshoot | |
| Zoom 3 level | Delta V | Delta V/s | Risetime level | Overshoot | |
| Phase-DC + | Zoom 1 | V PWM | V pk-to-pk | V Peak max | V peak min |
| Zoom 2 | V peak max | V peak min | Delta V | Hz | |
| Zoom 3 peak | V peak max | Delta V/s | Risetime peak | Overshoot | |
| Zoom 3 level | Delta V | Delta V/s | Risetime level | Overshoot | |
| Phase-DC - | Zoom 1 | V PWM | V pk-to-pk | V peak max | V peak min |
| Zoom 2 | V peak max | V peak min | Delta V | Hz | |
| Zoom 3 peak | V peak max | Delta V/s | Risetime peak | Overshoot | |
| Zoom 3 level | Delta V | Delta V/s | Risetime level | Overshoot | |
| Motor input | |||||
| Voltage and current (filtered) | V-A-Hz | V PWM | A ac+dc | Hz | V/Hz |
| V peak | V peak max | V peak min | V pk-to-pk | Crest factor | |
| A peak | A peak max | A peak min | A pk-to-pk | Crest factor | |
| Voltage unbalance | Unbalance | V PWM | V PWM | V PWM | Unbalance |
| Peak | V pk-to-pk | V pk-to-pk | V pk-to-pk | ||
| Current unbalance | Unbalance | A ac+dc | A ac+dc | A ac+dc | Unbalance |
| Peak | A pk-to-pk | A pk-to-pk | A pk-to-pk | ||
| Voltage modulation | |||||
| Phase-phase | Zoom 1 | V PWM | V pk-to-pk | Hz | V/Hz |
| Zoom 2 | V peak max | V peak min | Delta V | ||
| Zoom 3 peak | V peak max | Delta V/s | Risetime peak | Overshoot | |
| Zoom 3 level | Delta V | Delta V/s | Risetime level | Overshoot | |
| Phase-ground | Zoom 1 | V PWM | V pk-to-pk | V peak max | V peak min |
| Zoom 2 | V peak max | V peak min | Delta V | Hz | |
| Zoom 3 peak | V peak max | Delta V/s | Risetime peak | Overshoot | |
| Zoom 3 level | Delta V | Delta V/s | Risetime level | Overshoot | |
| Motor shaft | |||||
| Shaft voltage | Events off | V pk-to-pk | |||
| Events on | Delta V | Rise/fall time | Delta V/s | Events/s | |
| Motor drive input, output and motor input | |||||
| Harmonics | Voltage | V ac | V fundamental | Hz fundamental | % THD |
| Current | A ac | A fundamental | Hz fundamental | % THD/TDD | |
| Measurement Function | Specification |
| DC voltage (V dc) | |
| Maximum voltage with 10:1 or 100:1 probe | 1000 V |
| Maximum resolution with 10:1 or 100:1 probe (voltage to ground) | 1mV / 10mV |
| Full scale reading | 999 counts |
| Accuracy at 4 s to 10 us/div | ± (1.5 % + 6 counts) |
| True-rms voltage (V ac or V ac + dc) (with DC coupling selected) | |
| Maximum voltage with 10:1 or 100:1 probe (voltage to ground) | 1000 V |
| Maximum resolution with 10:1 or 100:1 probe | 1 mv / 10 mV |
| Full scale reading | 999 counts |
| DC to 60 Hz | ± (1.5 % + 10 counts) |
| 60 Hz to 20 kHz | ± (2.5 % + 15 counts) |
| 20 kHz to 1 MHz | ± (5 % + 20 counts) |
| 1 MHz to 25 MHz | ± (10 % + 20 counts) |
| PWM voltage (V pwm) | |
| Purpose | To measure on pulse width modulated signals, like motor drive inverter outputs |
| Principle | Readings show the effective voltage based on the average value of samples over a whole number of periods of the fundamental frequency |
| Accuracy | As Vac+dc for sinewave signals |
| Peak voltage (V peak) | |
| Modes | Max peak, min peak, or pk-to-pk |
| Maximum voltage with 10:1 or 100:1 probe (voltage to ground) | 1000 V |
| Maximum resolution with 10:1 or 100:1 probe | 10 mV |
| Accuracy | |
| Max peak, min peak | ± 0.2 division |
| Pk-to-pk | ± 0.4 division |
| Full scale reading | 800 counts |
| Current (AMP) with current clamp | |
| Ranges | Same as V ac, Vac+dc or V peak |
| Scale Factors | 0.1 mV/A, 1 mV/A, 10 mV/A, 20 mV/A, 50mV/A, 100 mV/A, 200 mV/A, 400 mV/A |
| Accuracy | Same as Vac, Vac+dc or V peak (add current clamp accuracy) |
| Frequency (Hz) | |
| Range | 1.000 Hz to 500 MHz |
| Full scale reading | 9999 counts |
| Accuracy | ± (0.5 % + 2 counts) |
| Voltage/Herz ratio (V/Hz) | |
| Purpose | To show the measured V PWM value (see V PWM) divided by the fundamental frequency on vari- able ac motor speed drives |
| Accuracy | % Vrms + % Hz |
| Voltage unbalance drive input | |
| Purpose | To show the highest percentage difference of one of the phase vs average of the 3 true-rms voltages |
| Accuracy | Indicative percentage based on Vac+dc values |
| Voltage unbalance drive output and motor input | |
| Purpose | To show the highest percentage difference of one of the phase vs average of the 3 PWM voltages |
| Accuracy | Indicative percentage based on V PWM values |
| Current unbalance drive input | |
| Purpose | To show the highest percentage difference of one of the phase vs average of the 3 AC current values |
| Accuracy | Indicative percentage based on Aac+dc values |
| Current unbalance drive output and motor input | |
| Purpose | To show the highest percentage difference of one of the phase vs average of the 3 AC current values |
| Accuracy | Indicative percentage based on A ac values |
| Rise and fall time | |
| Readings | Voltage difference (dV), time difference (dt), voltage vs time difference (dV/dt), overshoot |
| Accuracy | As oscilloscope accuracy |
| Harmonics and spectrum | |
| Harmonics | DC to 51st |
| Spectrum ranges | 1…9 kHz, 9-150 kHz (20 MHz filter on), up to 500 MHz (voltage modulation) |
| Shaft voltage | |
| Events / second | Indicative percentage based on rise and fall time (Impulse discharges) measurements |
| Report data capture | |
| Number of screens | Typical 50 screens can be saved in reports (depends on compression ratio) |
| Transfer to PC | Using 32 GB or smaller 2 GB USB stick or mini-USB to USB cable or WiFi link and FlukeView™ 2 for ScopeMeter® |
| Probe settings | |
| Voltage Probe | 1:1, 10:1, 100:1, 1000:1, 20:1, 200:1 |
| Current Clamp | 0.1 mV/A, 1 mV/A, 10 mV/A, 20 mV/A, 50 mV/A, 100 mV/A, 200 mV/A, 400 mV/A |
| Shaft Voltage Probe | 1:1, 10:1, 100:1 |
| Safety | |
| General | IEC 61010-1: Pollution Degree 2 |
| Measurement | Measurement IEC 61010-2-030: CAT IV 600 V / CAT III 1000 V |
| Maximum voltage between any Terminal and Earth Ground | 1000 V |
| Max. input voltages | Via VPS410-II or VPS421 1000 V CAT III / 600 V CAT IV |
| BNC Input | A, B, C, D directly 300 V CAT IV |
| Max. Floating Voltage, test tool or test tool with VPS410-II / VPS421 voltage probe | From any terminal to earth ground 1000 V CAT III / 600 V CAT IV Between any terminal 1000 V CAT III / 600 V CAT IV |
| Working voltage between probe tip and probe reference lead | VPS410-II: 1000 V VPS421: 2000 V |
| Shipping | This Item Ships from Fremantle, Perth, Western Australia |
Please allow 2 - 10 days for your order to arrive.
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Description
(Fluke Registration required before purchase. Please contact Laserman for more information on +61 8 9335 1718 )
Item No. 5282560
Model Number: FLUKE-MDA-550-III
Simplify complex motor-drive troubleshooting with guided test setups and automated drive measurements that provide reliable, repeatable test results.
Key features
- Measure key motor drive parameters including DC Bus voltage level and AC ripple, voltage and current unbalance, voltage modulation, harmonics, and motor shaft voltage discharges
- Provides 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.
- Simplified measurement setup with preset measurement profiles to automatically trigger data collection based on the chosen test procedure.
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.
- 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.
- Measure additional electrical parameters with full 500 MHz oscilloscope, meter and recording capability for complete range of electrical and electronic measurement on industrial systems.
The Fluke MDA-550 Motor Drive Analyzer uses guided test measurements to make analysis easier than ever
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. Then, check the input current to determine if the current is within the maximum rating and the conductors are suitably sized. You can also check whether the harmonic distortion is within an acceptable level by visually inspecting the waveform shape or by viewing the harmonics spectrum screen which shows both the total harmonic distortion and individual harmonics.
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, as excessive unbalance may indicate a drive rectifier problem.
Extended harmonic measurements
Excessive harmonics are not just a threat to your rotating machines but also to other equipment connected to the electrical power system. The MDA-550 provides the ability to discover the harmonics of the motor-drive but can also discover the possible effects of inverter switching electronics. 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
In a motor-drive the conversion of AC to DC inside the drive is critical, having the correct voltage and adequate smoothing with low ripple is required for the best drive performance. 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. With low V/F ratios, the connected motor may not be able to provide the required torque at the load to sufficiently run the intended process.
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), this should be compared to the motor’s specified insulation. The measurements can also be used to measure switching frequency to identify whether there is a potential issue with electronic switching, or with grounding, where the signal floats up and down.
Motor input
Ensuring that voltage is being supplied at the motor input terminals is key, and the selection of cabling from drive to the motor is critical. Incorrect cabling selection can result in both drive and motor damage due to excessive reflected voltage peaks. 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
Voltage pulses from a variable speed drive can couple from a motor’s stator to its rotor, causing a voltage to appear on the rotor shaft. When this rotor shaft voltage exceeds the insulating capacity of the bearing grease, flashover currents (sparking) can occur, causing pitting and fluting of the motor bearing race, damage that can cause a motor to fail prematurely. 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. The addition of this accessory allows you to discover potential damage without investing in expensive permanently installed solutions.
Step-by-step guided measurements ensure you have the data you need, when you need it
The MDA-550 is engineered to help you quickly and easily test and troubleshoot typical problems on three-phase and single-phase inverter type motor-drive systems. The on-screen information, and step-by-step setup guidance make it easy to configure the analyzer and get the drive measurements you need to make better maintenance decisions, fast. From power input to the installed motor, the MDA-550 provides the measurement capability for the fastest motor-drive troubleshooting.
Specifications: Fluke MDA-550 Series III Motor Drive Analyzer
| Measurement and Analysis Combinations | |||||
| Test point | Sub group | Reading 1 | Reading 2 | Reading 3 | Reading 4 |
| Motor drive input | |||||
| Voltage and current | |||||
| Phase-phase | V-A-Hz | V ac+dc | A ac+dc | Hz | |
| V peak | V peak max | V peak min | V pk-to-pk | Crest factor | |
| A peak | A peak max | A peak min | A pk-to-pk | Crest factor | |
| Phase-ground | V-A-Hz | V ac+dc | A ac+dc | Hz | |
| V peak | V peak max | V peak min | V pk-to-pk | Crest factor | |
| A peak | A peak max | A peak min | A pk-to-pk | Crest factor | |
| Voltage unbalance | Unbalance | V ac+dc | V ac+dc | V ac+dc | Unbalance |
| Peak | V pk-to-pk | V pk-to-pk | V pk-to-pk | ||
| Current unbalance | Unbalance | A ac+dc | A ac+dc | A ac+dc | Unbalance |
| Peak | A pk-to-pk | A pk-to-pk | A pk-to-pk | ||
| Motor drive DC bus | |||||
| DC | V dc | V pk-to-pk | V peak max | ||
| Ripple | V ac | V pk-to-pk | Hz | ||
| Motor drive output | |||||
| Voltage and current (filtered) | V-A-Hz | V PWM | A ac+dc | Hz | V/Hz |
| V peak | V peak max | V peak min | V pk-to-pk | Crest factor | |
| A peak | A peak max | A peak min | A pk-to-pk | Crest factor | |
| Voltage unbalance | Unbalance | V PWM | V PWM | V PWM | Unbalance |
| Peak | V pk-to-pk | V pk-to-pk | V pk-to-pk | ||
| Current unbalance | Unbalance | A ac+dc | A ac+dc | A ac+dc | Unbalance |
| Peak | A pk-to-pk | A pk-to-pk | A pk-to-pk | ||
| Voltage modulation | |||||
| Phase-phase | Zoom 1 | V PWM | V pk-to-pk | Hz | V/Hz |
| Zoom 2 | V peak max | V peak min | Delta V | ||
| Zoom 3 peak | V peak max | Delta V/s | Risetime peak | Overshoot | |
| Zoom 3 level | Delta V | Delta V/s | Risetime level | Overshoot | |
| Phase-ground | Zoom 1 | V PWM | V pk-to-pk | V peak max | V peak min |
| Zoom 2 | V Peak max | V peak min | Delta V | Hz | |
| Zoom 3 peak | V Peak max | Delta V/s | Risetime peak | Overshoot | |
| Zoom 3 level | Delta V | Delta V/s | Risetime level | Overshoot | |
| Phase-DC + | Zoom 1 | V PWM | V pk-to-pk | V Peak max | V peak min |
| Zoom 2 | V peak max | V peak min | Delta V | Hz | |
| Zoom 3 peak | V peak max | Delta V/s | Risetime peak | Overshoot | |
| Zoom 3 level | Delta V | Delta V/s | Risetime level | Overshoot | |
| Phase-DC - | Zoom 1 | V PWM | V pk-to-pk | V peak max | V peak min |
| Zoom 2 | V peak max | V peak min | Delta V | Hz | |
| Zoom 3 peak | V peak max | Delta V/s | Risetime peak | Overshoot | |
| Zoom 3 level | Delta V | Delta V/s | Risetime level | Overshoot | |
| Motor input | |||||
| Voltage and current (filtered) | V-A-Hz | V PWM | A ac+dc | Hz | V/Hz |
| V peak | V peak max | V peak min | V pk-to-pk | Crest factor | |
| A peak | A peak max | A peak min | A pk-to-pk | Crest factor | |
| Voltage unbalance | Unbalance | V PWM | V PWM | V PWM | Unbalance |
| Peak | V pk-to-pk | V pk-to-pk | V pk-to-pk | ||
| Current unbalance | Unbalance | A ac+dc | A ac+dc | A ac+dc | Unbalance |
| Peak | A pk-to-pk | A pk-to-pk | A pk-to-pk | ||
| Voltage modulation | |||||
| Phase-phase | Zoom 1 | V PWM | V pk-to-pk | Hz | V/Hz |
| Zoom 2 | V peak max | V peak min | Delta V | ||
| Zoom 3 peak | V peak max | Delta V/s | Risetime peak | Overshoot | |
| Zoom 3 level | Delta V | Delta V/s | Risetime level | Overshoot | |
| Phase-ground | Zoom 1 | V PWM | V pk-to-pk | V peak max | V peak min |
| Zoom 2 | V peak max | V peak min | Delta V | Hz | |
| Zoom 3 peak | V peak max | Delta V/s | Risetime peak | Overshoot | |
| Zoom 3 level | Delta V | Delta V/s | Risetime level | Overshoot | |
| Motor shaft | |||||
| Shaft voltage | Events off | V pk-to-pk | |||
| Events on | Delta V | Rise/fall time | Delta V/s | Events/s | |
| Motor drive input, output and motor input | |||||
| Harmonics | Voltage | V ac | V fundamental | Hz fundamental | % THD |
| Current | A ac | A fundamental | Hz fundamental | % THD/TDD | |
| Measurement Function | Specification |
| DC voltage (V dc) | |
| Maximum voltage with 10:1 or 100:1 probe | 1000 V |
| Maximum resolution with 10:1 or 100:1 probe (voltage to ground) | 1mV / 10mV |
| Full scale reading | 999 counts |
| Accuracy at 4 s to 10 us/div | ± (1.5 % + 6 counts) |
| True-rms voltage (V ac or V ac + dc) (with DC coupling selected) | |
| Maximum voltage with 10:1 or 100:1 probe (voltage to ground) | 1000 V |
| Maximum resolution with 10:1 or 100:1 probe | 1 mv / 10 mV |
| Full scale reading | 999 counts |
| DC to 60 Hz | ± (1.5 % + 10 counts) |
| 60 Hz to 20 kHz | ± (2.5 % + 15 counts) |
| 20 kHz to 1 MHz | ± (5 % + 20 counts) |
| 1 MHz to 25 MHz | ± (10 % + 20 counts) |
| PWM voltage (V pwm) | |
| Purpose | To measure on pulse width modulated signals, like motor drive inverter outputs |
| Principle | Readings show the effective voltage based on the average value of samples over a whole number of periods of the fundamental frequency |
| Accuracy | As Vac+dc for sinewave signals |
| Peak voltage (V peak) | |
| Modes | Max peak, min peak, or pk-to-pk |
| Maximum voltage with 10:1 or 100:1 probe (voltage to ground) | 1000 V |
| Maximum resolution with 10:1 or 100:1 probe | 10 mV |
| Accuracy | |
| Max peak, min peak | ± 0.2 division |
| Pk-to-pk | ± 0.4 division |
| Full scale reading | 800 counts |
| Current (AMP) with current clamp | |
| Ranges | Same as V ac, Vac+dc or V peak |
| Scale Factors | 0.1 mV/A, 1 mV/A, 10 mV/A, 20 mV/A, 50mV/A, 100 mV/A, 200 mV/A, 400 mV/A |
| Accuracy | Same as Vac, Vac+dc or V peak (add current clamp accuracy) |
| Frequency (Hz) | |
| Range | 1.000 Hz to 500 MHz |
| Full scale reading | 9999 counts |
| Accuracy | ± (0.5 % + 2 counts) |
| Voltage/Herz ratio (V/Hz) | |
| Purpose | To show the measured V PWM value (see V PWM) divided by the fundamental frequency on vari- able ac motor speed drives |
| Accuracy | % Vrms + % Hz |
| Voltage unbalance drive input | |
| Purpose | To show the highest percentage difference of one of the phase vs average of the 3 true-rms voltages |
| Accuracy | Indicative percentage based on Vac+dc values |
| Voltage unbalance drive output and motor input | |
| Purpose | To show the highest percentage difference of one of the phase vs average of the 3 PWM voltages |
| Accuracy | Indicative percentage based on V PWM values |
| Current unbalance drive input | |
| Purpose | To show the highest percentage difference of one of the phase vs average of the 3 AC current values |
| Accuracy | Indicative percentage based on Aac+dc values |
| Current unbalance drive output and motor input | |
| Purpose | To show the highest percentage difference of one of the phase vs average of the 3 AC current values |
| Accuracy | Indicative percentage based on A ac values |
| Rise and fall time | |
| Readings | Voltage difference (dV), time difference (dt), voltage vs time difference (dV/dt), overshoot |
| Accuracy | As oscilloscope accuracy |
| Harmonics and spectrum | |
| Harmonics | DC to 51st |
| Spectrum ranges | 1…9 kHz, 9-150 kHz (20 MHz filter on), up to 500 MHz (voltage modulation) |
| Shaft voltage | |
| Events / second | Indicative percentage based on rise and fall time (Impulse discharges) measurements |
| Report data capture | |
| Number of screens | Typical 50 screens can be saved in reports (depends on compression ratio) |
| Transfer to PC | Using 32 GB or smaller 2 GB USB stick or mini-USB to USB cable or WiFi link and FlukeView™ 2 for ScopeMeter® |
| Probe settings | |
| Voltage Probe | 1:1, 10:1, 100:1, 1000:1, 20:1, 200:1 |
| Current Clamp | 0.1 mV/A, 1 mV/A, 10 mV/A, 20 mV/A, 50 mV/A, 100 mV/A, 200 mV/A, 400 mV/A |
| Shaft Voltage Probe | 1:1, 10:1, 100:1 |
| Safety | |
| General | IEC 61010-1: Pollution Degree 2 |
| Measurement | Measurement IEC 61010-2-030: CAT IV 600 V / CAT III 1000 V |
| Maximum voltage between any Terminal and Earth Ground | 1000 V |
| Max. input voltages | Via VPS410-II or VPS421 1000 V CAT III / 600 V CAT IV |
| BNC Input | A, B, C, D directly 300 V CAT IV |
| Max. Floating Voltage, test tool or test tool with VPS410-II / VPS421 voltage probe | From any terminal to earth ground 1000 V CAT III / 600 V CAT IV Between any terminal 1000 V CAT III / 600 V CAT IV |
| Working voltage between probe tip and probe reference lead | VPS410-II: 1000 V VPS421: 2000 V |
Shipping
| Shipping | This item ships to |
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