KROHNE OPTIFLUX 4000 EN - Manual (Page 20)

4
ELECTRICAL CONNECTIONS
20
OPTIFLUX 4000
www.krohne.com 01/2011 - 4000818502 - HB OPTIFLUX 4000 R02 en
Grounding ring number 1:
• 3 mm / 0.1" thick (tantalum: 0.5 mm / 0.2")
Grounding ring number 2:
• 3 mm / 0.1" thick
• Prevents damage to the flanges during transport and installation
• Especially for flow sensors with PTFE liner
Grounding ring number 3:
• 3 mm / 0.1" thick
• With cylindrical neck (length 30 mm / 1.25" for DN10...150 / 3/8...6")
• Prevents damage to the liner when abrasive liquids are used
Figure 4-2: Different types of grounding rings
1 Grounding ring number 1
2 Grounding ring number 2
3 Grounding ring number 3