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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)
b)
c)
d)
e)
f)
Start-up inrush current
Waveform symmetry
Variable frequency drive signals
Pulse width modulation
Noise
AC and DC speed control signals
2. Power Quality
a)
b)
c)
Noise on industrial feeds
AC voltage waveshape
Current waveforms
3. NC Machines
a)
b)
c)
d)
e)
Power quality
Sensor outputs
Control circuits
Safety circuits
Calibration and adjustments
4. Uninterruptible Power Supplies
a)
b)
c)
Sensing and monitoring circuits
Output waveforms
Current waveforms
5. Audio
a)
b)
c)
d)
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37
Public address feeds
Amplifiers
Mixers
Preamps