Operating Basics
About Floating Measurements
You can use the independently floating isolated inputs to measure signals that are
independently floating from each other. The instrument has independently floating
isolated inputs. Each input section (1, 2, 3, and 4) has its own signal input and
its own reference input. The reference input of each input section is electrically
isolated fr
om the reference inputs of the other input sections. (See Figure 7.)
The isolated input architecture of this instrument offers the following advantages:
Simultaneous measurement of independently floating signals.
Additional safety. Because the commons are not directly connected, the
chance of causing a short circuit when measuring multiple signals is greatly
reduced.
Additional safety. When measuring in systems with multiple grounds, the
ground currents induced are kept to a minimum.
Figure 7: Isolated input architecture
18 THS3000 Series Oscilloscopes User Manual
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