FLUKE MDA-550/FPC User Manual for the Fluke MDA-550/FPC Motor Drive Analyzer with one-year Premium Care, 500 MHz, 4-channel

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190 Series III

Users Manual

Input Connections

The top of the test tool has four safety BNC signal inputs (models 190–xx4/MDA-550) or two

safety BNC jack inputs and two safety 4-mm banana jack inputs (models 190-xx2). These

isolated inputs allow independent floating measurements with each input. The banana jack inputs

(190-xx2) can be used for DMM measurements or can be used as External Trigger input for the

Scope mode.

See Figure 3.

Figure 3. Measurement Connections

Note

To maximize the benefit of independent isolated floating inputs and to avoid problems

caused by improper use, see Tips.

For an accurate indication of the measured signal, you must match the probe to the input

channel on the test tool.

When using probes that are not included with the Product, see Voltage Probe Calibration.

Scope

To make scope measurements:

1. Connect the red voltage probe to input A, the blue voltage probe to input B, the gray voltage

probe to input C, and the green voltage probe to input D.

2. Connect the short ground leads of each voltage probe to its own reference potential. See

Figure 4.

ALL INPUTS ISOLATED

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FLUKE MDA-550/FPC Motor Drive Analyzer with one-year Premium Care, 500 MHz, 4-channel