Innovate Motorsports ST-12 - Manual (Page 27)

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6.3.2 Measuring Frequency
The center section of the window changes to this:
You can enter any frequency between 10 Hz and 15000 Hz as full scale frequency. ST-12 measures the
frequency with a resolution of 0.1 % of the full scale frequency specified. So in LogWorks 0 Hz is always
0 Volt, and the full-scale frequency is equivalent to 5 Volt.
This functionality is also available for Inputs 3,4 and 5.
6.3.3 Measuring Speed
Select the Speed sensing function in the topmost drop-down list. The center section of the window
changes to:
With the radio buttons you can select to use metric (km/h) or US (mph) units. In the left drop-down list
you select the max speed to be measured. The ST-12 measures the speed with a resolution of 0.1 % of
the selected max speed.
In the right edit box you enter the pulses per mile the speed sensor produces. Speed sensors are
typically pulse sensors mounted either on the drive-shaft or wheel. To calculate the pulses per mile (or
km/h) click on the calculate button: