Endress+Hauser Prothermo NMT81 - Page 79

Prothermo NMT81 Operation
Endress+Hauser 79
Element weighting
By enabling the element weighting, the average temperature calculation can be adapted to
different tank shapes. If Disable is selected, the element weighting function is turned off.
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 80 Element weighting screen
Average temperature calculation
The following formulas/calculation methods are used to calculate the different average
temperatures:
• Average vapor temperature
• Average liquid temperature
• Average product temperature
• Average water temperature
The formula of the element weighting shows as follows.
T
average =
W * T + W * T + +W * T
ElementA ElementA ElementB ElementB ElementZ ElementZ
...
W + W + W
ElementA ElementB ElementZ
...
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