Cerabar PMC11, PMC21, PMP11, PMP21
Hauser
7
Turn down calculation
LRV
URL
URV
LRL
1 = 2
3
A0029545
1
Calibrated/adjusted span
2
Zero point-based span
3
URL sensor
Example
• Sensor:10 bar (150 psi)
• Upper range value (URL) = 10 bar (150 psi)
Turn down (TD):
• Calibrated/adjusted span: 0 to 5 bar (0 to 75 psi)
• Lower range value (LRV) = 0 bar (0 psi)
• Upper range value (URV) = 5 bar (75 psi)
TD =
URL
|URV
-
LRV|
TD =
10 bar (150 psi)
= 2
|5 bar (75 psi)
-
0 bar (0 psi)|
In this example, the TD is 2:1.
This span is based on the zero point.
Содержание Cerabar PMC11
Страница 49: ......
Страница 50: ......
Страница 51: ......
Страница 52: ...www addresses endress com 71404630 71404630 ...