Campbell TDR100 Manuel d'instructions télécharger pdf (Page 22)

TDR100

from voltage surge damage. Figure 5-3 describes typical signal attenuation

from the common to one output channel for frequency range important for

TDR measurements.

100 1

1.4

1.2

0.8

0.6

0.4

0.2

Frequency (MHz)

SDMX50 attenuation (dBm)

FIGURE 5-3. SDMX50 signal attenuation.

Each of the eight ports can be connected to a probe or another multiplexer (see

Figure 5-1).

The multiplexers use synchronous communications and require address

coordination with the datalogger. See Section 5.5 for a discussion of SDM

communications and addressing. Figure 5-4 shows the location of jumpers

used for SDMX50 addressing.

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Campbell TDR100 Manuel d'instructions Page 22