FLUKE MDA-550 电机驱动分析仪

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