KROHNE BM 500 EN - Manual (Page 12)

3
INSTALLATION
12
BM 500
www.krohne.com 12/2013 - 4003176301 - MA BM 500 R02 en
3.2 Process connection
The hygienic 1" process sleeve is easy to weld into tanks or pipes. This kind of assembly allows
installation in conformity with standards of hygiene such as FDA. The G1 connections can be
mounted in any counter thread acc. to ISO 228.
Various hygienic adapter sleeves are available for fitting to other process connections. For more
information refer to chapter "Appendix" or data sheet "Hyg. accessories".
The level meter can be installed either from top or bottom.
INFORMATION!
Please be aware of the active measuring zone of the rod (refer to the following drawing).
Figure 3-2: Measuring zone and output settings
1 21.6 mA
2 21.6...20 mA
3 Set point 100% = 20 mA
4 20...4 mA
5 Set point 0% = 4 mA
6 4...2.4 mA
7 2.4 mA
INFORMATION!
The BM 500 tracks level outside its normal 4...20 mA measuring range; up to 21.6 mA and down
to 2.4 mA.
• Above 21.6 mA, the unit will freeze output at 21.6 mA.
• Below 2.4 mA level, the unit will freeze output to 2.4 mA.