Specifications: Fluke MDA-510 and MDA-550 Motor Drive Analyzers
Measurement Function | |
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DC voltage (V dc) | |
Maximum voltage with 10:1 or 100:1 probe | 1000 V |
Maximum resolution with 10:1 or 100:1 probe | 1 mV |
Full scale reading | 999 counts |
Accuracy at 4 s to 10 us/div | ±(3 % + 6 counts) |
AC voltage (V ac) | |
Maximum voltage with 10:1 or 100:1 probe | 1000 V |
Maximum resolution with 10:1 or 100:1 probe | 1 mV |
Full scale reading | 999 counts |
50 Hz | ±(3 % + 10 counts) – 0.6 % |
60 Hz | ±(3 % + 10 counts) – 0.4 % |
60 Hz to 20 kHz | ±(4 % + 15 counts) |
20 kHz to 1 MHz | ±(6 % + 20 counts) |
1 MHz to 25 MHz | ±(10 % + 20 counts) |
True-rms voltage (V ac+dc) | |
Maximum voltage with 10:1 or 100:1 probe | 1000 V |
Maximum resolution with 10:1 or 100:1 probe | 1 mV |
Full scale reading | 1100 counts |
DC to 60 Hz | ±(3 % + 10 counts) |
60 Hz to 20 kHz | ±(4 % + 15 counts) |
20 kHz to 1 MHz | ±(6 % + 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 | 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 |
General Specification | |
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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 | 999 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 variable 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 2 GB USB stick or mini-USB to USB cable and FlukeView™ 2 for ScopeMeter™ test tool |
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 |