ELECTRICAL CONNECTIONS
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OPTISONIC 7300
www.krohne.com
09/2018 - 4002312802 - QS OPTISONIC 7300 R04 en
3.1 Safety instructions
3.2 Connection of signal cable to signal converter (remote version only)
The flow sensor is connected to the signal converter via one or two signal cables, with 2 inner
triax cables for the connection of one or two acoustic path(s). A flow sensor with one acoustic
path has one cable. A flow sensor with two acoustic paths has two cables.
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.
Figure 3-1: Connection of signal cable to signal converter
1
Signal converter
2
Open connection box
3
Tool for releasing connectors
4
Marking on cable
5
Insert cable (1 path flowmeter) or cables (2 path flowmeter) through cable glands
