KROHNE OPTISONIC 7300 - 2.9.6 Thermal Insulation Precautions

2 INSTALLATION
14
OPTISONIC 7300
www.krohne.com 09/2018 - 4002312802 - QS OPTISONIC 7300 R04 en
2.9.6 Thermal insulation
CAUTION!
The flow sensor can be insulated completely, except for the transducers 1 and the connection
box 2 to allow cooling by free air convection.
WARNING!
Always leave vent holes 3 free!
DANGER!
For devices in hazardous area, additional maximum temperature and insulation precautions
apply. Please refer to the Ex documentation.
Figure 2-15: Leave vent holes free
1 Transducers
2 Connection box
3 Vent holes