FLUKE MDA-550-III 电机驱动分析仪
- 联系
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
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