Owner's manual

56 Handbook BM 100 A
6.2.2 Definition of terms
• Distance:
Distance from the face of flange to the level (for 1 product) or the surface
of the top product (in the case of 2 products).
• Interface:
Interface where the two products come into contact.
• Interface Distance:
Distance from the face of the flange to the liquid / liquid interface.
• Interface Level:
Height from the bottom of the tank to the liquid / liquid interface.
(Tank Height – Interface distance)
• Interface Volume:
Volume of bottom product.
• Layer:
Thickness of the top product (Distance Interface – Distance) :
minimum 100mm / 4”.
• Level:
Height from the bottom of the of the tank to the surface of the top product
(Tank height – distance).
• Probe Length:
Ordered length of probe, L, from face of flange to end of probe (including
short circuit and counterweight).
• Tank Height:
Distance from the face of the flange to the bottom of the tank.
• Ullage:
Unfilled volume.
• Volume:
Total volume filled.