Proservo NMS5
Hauser
59
7.4
Liquid Level Calibration
7.4.1
Opened Tank
Preparation
Select LEVEL at GVH020 Operation. The displacer will descend to the liquid surface and balance.
When "BAL" is displayed, the displacer stopped moving.
When measuring the liquid level manually, use an approved method.
Set Level (GVH150) for Opening Tank
Input the value at GVH150 after measuring the dipping level.
Figure. 62:
Calibration Level (Manual Dipping Level)
When there is not liquid in the tank;
Figure. 63:
Calibration Level (Empty Tank)
Note!
When there is no liquid in the tank, level calibration is not 0mm on the measurement principle.
When 0mm level calibration is needed, refer to GVH004(BOTTOM LEVEL) or GVH142(DISPLAC. DRAFT).
Manual
Dipping
Level
Draft
Calibration Level
B
A
B=45mm
Note: Ø50mm (Dtandard Displacer)
140ml (Displacer Volume)
70ml (Balance Volume)
A= Depend on Tank Design
7 Commissioning