Source Scale; Linear-Responding Transmitters; Square-Root Process Variables - Fluke 753 User Manual

When the Product is set to display temperatures
in Kelvin, the drywell readout will show Celsius,
and when the Product shows Rankine, the
drywell will show Fahrenheit.

Source Scale

This feature scales the output in accordance with the
input requirements of an applicable process instrument's
response. Percent of scale can be used for linear-
responding transmitters, or square-root responding
transmitters.

Linear-Responding Transmitters

1. If necessary, push  for SOURCE mode.
2. Select a source function (, , h, q, t, or
p) as previously described, and record a value.
3. Push the Scale softkey.
4. Select % from the list.
5. Push .
6. Use the numeric keypad to record the 0% of scale
value (0% Value).
7. Push .
8. Use the numeric keypad to record the 100% of scale
value (100% Value).
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Documenting Process Calibrator
9. Push the Done softkey.
Percent of scale stays in effect until you change to a
different source function or until the Scale softkey is
pushed and you select a different scale mode.

Square-Root Process Variables

When you select √ within scaling, the Product output
value is the percent value recorded, squared, and
converted to engineering units.
1. If necessary, push  for SOURCE mode.
2. Select a source function (, , h, q, t, or
p) as previously described, and record a value.
3. Push the Scale softkey.
4. Select √ from the list.
5. Use the numeric keypad to record the 0% of scale
value (0% Value).
6. Push .
7. Use the numeric keypad to record the 100% of scale
value (100% Value).
8. Push .
9. Push the Done softkey.
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Source Mode
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