KROHNE BM 102 Handbook - Manual (Page 66)

66 BM 102
Special calibration
Error of measurement (mm)
Distance from flange (m)
5.1.2 Start-up
characteristics
The current output stays at
22 mA for 15 seconds once
switched on.
The analogue output
subsequently indicates a
value between 4 and 20 mA
until the level has been
found.
After a maximum of
23 seconds, the current
output indicates the
measured level and
follows it.