Fluke 744 Fluke 744 Users Manual - Page 81

as PH. See Creating Custom Measurement, appears next to the value on the display and

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11. If the process instrument needs more time to settle than the calibrator's normal settling time (about 2 seconds) at each new stimulus level, enter that time in seconds for Delay. 12. Use the arrow keys to move the cursor down to enter 0% and 100% values for SOURCE temperature. Our example uses 100°C and 300°C. 13. If the instrument calibration procedure requires you to enter either the measurement value or source value by hand at each step, press the User Value softkey, for "user entered values." Custom Units lets you define your own units such as "PH." See "Creating Custom Measurement Units," earlier in this manual for an example. When you use custom units, the w symbol appears next to the value on the display and in results. Press the Done softkey after you have programmed your custom unit. 14. The Strategy is the number of test points and which test points are performed rising and falling Documenting Process Calibrator Calibrating a Process Instrument in percent of scale. Our example uses five points (0%, 25%, 50%, 75%, and 100%), rising only. Rising is indicated by the up arrow on the display. Change to another test strategy by pressing e on this line. A list of strategies appears from which to choose. Select one, then press Done. 15. When you finish selecting the calibration parameters, the display appears as follows: gj45s.eps 71

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Documenting Process Calibrator
Calibrating a Process Instrument
71
11. If the process instrument needs more time to
settle than the calibrator’s normal settling time
(about 2 seconds) at each new stimulus level,
enter that time in seconds for
Delay
.
12. Use the arrow keys to move the cursor down to
enter
0%
and
100%
values for SOURCE
temperature. Our example uses 100°C and
300°C.
13. If the instrument calibration procedure requires
you to enter either the measurement value or
source value by hand at each step, press the
User Value
softkey, for “user entered values.”
Custom Units
lets you define your own units such
as “PH.” See “Creating Custom Measurement
Units,” earlier in this manual for an example.
When you use custom units, the
w
symbol
appears next to the value on the display and in
results.
Press the
Done
softkey after you have
programmed your custom unit.
14. The
Strategy
is the number of test points and
which test points are performed rising and falling
in percent of scale. Our example uses five points
(0%, 25%, 50%, 75%, and 100%), rising only.
Rising is indicated by the up arrow on the
display. Change to another test strategy by
pressing
e
on this line. A list of strategies
appears from which to choose. Select one, then
press
Done
.
15. When you finish selecting the calibration
parameters, the display appears as follows:
gj45s.eps