KROHNE BM 26 A EN - Manual (Page 34)

34 Installation and Operating Instructions BM 26 A
3.6.3 Switching point diagram and offset values for limit switches
Item Description
0
zero scale mark
b difference between liquid level and scale reading due to product density
L level indication (limit value) on the scale
d trigger point offset of limit switch when the float goes up (distance between contact
centreline and level indication or limit value - see table below)
e trigger point offset of limit switch when the float goes down (distance between contact
centreline and level indication or limit value)
Switching point offsets
Offset due to direction of
float displacement
Limit switch d (Up) e (Down)
mm inch mm inch
MS 15/STD
MS 15/EXI
MS 15/EXD
– 5
– 0.2
– 5
– 0.2
MS 20/STD
MS 20/EXI
– 5
– 0.2
– 5
– 0.2
Dimensions in mm (inches)