Endress+Hauser Prothermo NMT81 - Page 77

Prothermo NMT81 Operation
Endress+Hauser 77
Level sources
Because both liquid and water levels play important roles in measuring the average
temperature properly, the Level sources parameter has two setting functions for both
liquid and water levels as follows.
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 77 Level sources screen
• External: Receives the level data via an external device.
• Manual: Sets an optional value for the level.
When a WB test is required for any reason, the Manual mode is used.
1. Select [Manual] mode and press [Enter].
2. Select [Manual] from the pull-down menu of the Water level source.
3. Input the Manual tank level.
4. Input a desired value to the Manual water level.
Element coverage
Element coverage has five items to be set or confirmed as follows.
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 78 Element coverage screen