Turn Down Calculation - Endress+Hauser Cerabar PMP11 Operating Instructions Manual

Document information
8
1.5

Turn down calculation

LRL LRV
1 Calibrated/adjusted span
2 Zero-based span
3 URL sensor
Example
• Sensor:10 bar (150 psi)
• Upper range value (URL) = 10 bar (150 psi)
Turn down (TD):
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.
1 = 2
URV
URL
- LRV|
= 2
- 0 bar (0 psi)|
Cerabar PMP11, PMP21, PMP23
3
URL
• 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)
Endress+Hauser
A0029545