Datasheet
9 Fluke Corporation Fluke MDA-510 and MDA-550 Motor Drive Analyzer
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 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 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 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™
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