KROHNE BM 100A Handbook - Manual (Page 56)

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.