Siemens SITRANS L 사용 설명서 - 페이지 24

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Siemens SITRANS L 사용 설명서
Operating

6.2 Calibration, scrolling method

6.2
Calibration, scrolling method
The 4 and 20 mA calibration values can be selected where reference levels, either from the
material in the vessel or from a target, cannot be provided. This method can also be used to
trim the output levels obtained by the Calibration: reference method (Page 20)
To change the stored calibration value, obtain the 'c 4' or 'c 20' display. The calibration value
may be increased by pressing the "20" key or decreased by pressing the "4" key. When the
display has scrolled to the desired value, stop pressing the key. The display automatically
reverts to the Run mode (6 secs).
Note
For faster scrolling, hold the key, and release it when the appropriate value is shown.
6.3

4 mA calibration

24
4 mA calibration initiated
view stored 4 mA calibration value
(i.e. 4.50 m)
press "20" to increase to new calibration value
(i.e. 4.60 m)
new calibration value
Operating Instructions, 09/2021, A5E37100674-AB
SITRANS LU180