FLUKE 190-502/AM User Manual for the Fluke 190-502/AM Color ScopeMeter Color Test tool, 2 Channel, 500MHz

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Tips

Using the Independently Floating Isolated Inputs

Figure 39. Electronic Connections for Measurements

Using Hook Clips and Alligator Clip Grounding

Warning

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.

Using the Independently Floating

Isolated Inputs

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.

Measuring Using Independently Floating Isolated

Inputs

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:

• It allows simultaneous measurement of independently

floating signals.

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FLUKE 190-502/AM Color ScopeMeter Color Test tool, 2 Channel, 500MHz