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Specifications: Fluke MDA510 and MDA550 Motor Drive AnalyzersMeasurement Function 

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)  Truerms 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 pktopk  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  Pktopk  ±0.4 division  Full scale reading  800 counts  General Specification 

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 truerms 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, 9150 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 miniUSB 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 
