H. normal mode 440 applications, Industrial motor control, Power quality – Test Products International 440 User Manual
Page 36: Nc machines, Uninterruptible power supplies, Audio
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H. NORMAL MODE 440 APPLICATIONS
Note:
Scope sets up automatically for all applications
below. For best performance, leave 440 in
default COMBO scope/DMM mode.
1. Industrial Motor Control
a)
Start-up inrush current
b)
Waveform symmetry
c)
Variable frequency drive signals
d)
Pulse width modulation
e)
Noise
f)
AC and DC speed control signals
2. Power Quality
a)
Noise on industrial feeds
b)
AC voltage waveshape
c)
Current waveforms
3. NC Machines
a)
Power quality
b)
Sensor outputs
c)
Control circuits
d)
Safety circuits
e)
Calibration and adjustments
4. Uninterruptible Power Supplies
a)
Sensing and monitoring circuits
b)
Output waveforms
c)
Current waveforms
5. Audio
a)
Public address feeds
b)
Amplifiers
c)
Mixers
d)
Preamps