Q: I am monitoring up to 13600 Hz from a magnetic pickup on a gas turbine for speed indication and would like to use the FDY Frequency-to-DC Converter. Are either the PRG input or the 10-250V input handle this frequency?
A: Both input options can handle this frequency.
Normally the PRG input is correct for magnetic pickups. Some of them will put out a pulse voltage above the FDY's max of 30VAC, but it can be lowered by moving the pickup farther from the target. Use the FDY/10-250AC if you know for sure that the voltage pulse will be above the FDY/PRG’s upper limit. However, with this model, the pulse must be at least 10VAC.
Please note that the FDY with the 10-250AC input is not available with I.S. approval.
Do you want more information? Download the data sheet. Or visit the catalog.
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