Instruction manual
7532 Radar Tank Gauge
Varec, Inc. 15
The blocking distance (= BD) is the minimum distance from
the reference point of the measurement (mounting flange)
to the medium surface at maximum level.
Figure 4-5: Blocking Distance
Table 4-3: Blocking Distance and Free Space (Storage Tank)
Note Inside the blocking distance a reliable measurement can not be guaranteed.
Blocking distance (BD)
1
Free space (Storage tank)
from flange 1 m (40") (see page 12)
1. 1 mm accuracy under reference conditions
20m
A
100%
BD
referencepointof
measurement
Max.
Level