3
ELECTRICAL CONNECTIONS
18
OPTIFLUX 4000
www.krohne.com
10/2021 - 4003872405 - QS OPTIFLUX 4000 R08 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
Metal pipelines, not internally coated. Grounding without grounding rings.
