Turn Down Calculation - Endress+Hauser Cerabar PMC11 Operating Instructions Manual

Document information
8
1.5

Turn down calculation

LRL LRV
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):
URL
TD =
|URV -
10 bar (150 psi)
TD =
|5 bar (75 psi) -
In this example, the TD is 2:1.
This span is based on the zero point.
Cerabar PMC11, PMC21, PMP11, PMP21, PMP23
1 = 2
URV
• 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)
LRV|
= 2
0 bar (0 psi)|
3
URL
A0029545
Endress+Hauser