Fluke 190-204/EU/S 4-channel hand-held oscilloscope, ScopeMeter® 190 series II, hand-held Bandwi 3894475 User Manual

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To avoid electrical shock, re-apply the 
insulation sleeve (Fig. 1 item e)) over the 
probe tip when the hook clip is not used. This 
also avoids the risk of accidently 
interconnecting the reference contact of 
multiple probes when groundleads are 
connected. 

You can use the independently floating isolated inputs to 
measure signals that are independently floating from each 
other. 

Independently floating isolated inputs offer additional 
safety and measurement capabilities compared to inputs 
with common references or grounds. 

The test tool has independently floating isolated inputs. 
Each input section (A, B, C, D – A, B, METER INPUT) has 
its own signal input and its own reference input. The 
reference input of each input section is electrically isolated 
from the reference inputs of the other input sections. The 
isolated input architecture makes the test tool about as 
versatile as having four independent instruments. The 
advantages of having independently floating isolated 
inputs are: 

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It allows simultaneous measurement of independently 
floating signals.