Deltapilot M 4...20 mA HART Commissioning
Endress+Hauser 47
The measured variables %, level, volume and mass are available for this level mode see
operating instructions "Unit before lin (025)".
8.5.6 "In height" level selection
Calibration without reference pressure (dry calibration)
Example:
In this example, the volume in a tank should be measured in liters. The maximum volume of
1000 liters (264 US gal) corresponds to a level of 4.5 m (15 ft). The minimum volume of 0 liters
corresponds to a level of 0.5 m (1.6 ft) since the device is mounted below the start of the level
measuring range.
Prerequisite:
• The measured variable is in direct proportion to the pressure.
• This is a theoretical calibration i.e. the height and volume values for the lower and upper
calibration point must be known.
14 Result:
The measuring range is set for 0 to 1000 l (264 US
gal).
A0031065
Fig. 15: Calibration with reference pressure –
wet calibration
E See Table, Step 10.
F See Table, Step 8.
G See Table, Step 9.
H See Table, Step 11
I See Table, Step 12.
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