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 |