2
DEVICE DESCRIPTION
10
OPTIBAR 5060
www.krohne.com
04/2021 - 4005260702 - AD OPTIBAR 5060 Exta R02 en
2.6 Thermal parameters
For applications in hazardous atmospheres requiring equipment category 1G, the process
pressure must be between 0.8…1.1 bar. The application conditions in areas without hazardous
mixtures are specified in the manufacturer information.
The maximum permissible ambient temperatures are specified in the following tables.
Category 1D equipment
Category 2D equipment
Category 1/2D, 1/3D equipment
Range
Permissible temperature range
Electronics housing
-40...+60°C / -40...+140°F
Probe
-40...+60°C / -40...+140°F
Max. surface temperature
Electronics housing
(Z/H/A/S/T/P/F)
Ambient tempe42 K
Table 2-2: Application for category 1D equipment
Range
Permissible temperature range
Electronics housing
-40...+60°C / -40...+140°F
Probe
-40...+60°C / -40...+140°F
Max. surface temperature
Probe
Process tempe41 K
Table 2-3: Application for category 2D equipment
Range
Permissible temperature range
Electronics housing
-40...+60°C / -40...+140°F
Probe
-40...+60°C / -40...+140°F
Max. surface temperature
Electronics housing
(Z/H/A/S/T/P/F)
Ambient tempe5 K
Probe
Process tempe41 K
Table 2-4: Application for category 1/2D, 1/3D equipment
