Dynalco SWTD-1000 Speed Switch/Transmitter Manuel d'utilisateur télécharger pdf (Page 10)

Operating Instructions SWTD-1000 DYNALCO

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4.2 Machine Factor

The machine factor establishes the relationship between sensor frequency (Hz) and corresponding speed

(RPM).

Machine Factor = Frequency

RPM

If the # gear teeth and RPM are known, use the following formula to calculate corresponding frequency:

Signal Frequency (Hz) = (RPM) X (Teeth or Discontinuities)

Another way to calculate the machine factor is:

Machine Factor = (Teeth or Discontinuities)

Note: The above formulas are based on the gear or target turning at the same speed as the machine being

monitored, ie: no step up or step down gear ratios involved.

4.2.1 Displaying Oother Physical Values

In principle any physical value that can be measured proportional to speed may be displayed.

The formulae above should then be modified accordingly.

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Dynalco SWTD-1000 Speed Switch/Transmitter Manuel d'utilisateur Page 10