KROHNE OPTIFLUX 4000 Quickstart EN - Manual (Page 15)

ELECTRICAL CONNECTIONS
3
15
OPTIFLUX 4000
www.krohne.com 04/2010 - 7309852300 - QS OPTIFLUX 4000 R03 en
3.1 Safety instructions
3.2 Grounding
DANGER!
All work on the electrical connections may only be carried out with the power disconnected. Take
note of the voltage data on the nameplate!
DANGER!
Observe the national regulations for electrical installations!
DANGER!
For devices used in hazardous areas, additional safety notes apply; please refer to the Ex
documentation.
WARNING!
Observe without fail the local occupational health and safety regulations. Any work done on the
electrical components of the measuring device may only be carried out by properly trained
specialists.
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
DANGER!
The device must be grounded in accordance with regulations in order to protect personnel
against electric shocks.
Figure 3-1: Grounding
1 Metal pipelines, not internally coated. Grounding without grounding rings.
2 Metal pipelines with internal coating and non-conductive pipelines. Grounding with grounding rings.