KROHNE OPTIWAVE 6300C EN - Manual (Page 18)

3
INSTALLATION
18
OPTIWAVE 6300 C
www.krohne.com 03/2014 - 4000547004 - HB OPTIWAVE 6300 R04 en
3.5 How to prepare the silo before you install the device
3.5.1 Pressure and temperature ranges
CAUTION!
To avoid measuring errors and device malfunction, obey these precautions.
Figure 3-3: Pressure and temperature ranges
1 Flange temperature
FKM/FPM gasket: -40...+200°C / -40...+390°F; Kalrez ® 6375 gasket: -20...+200°C / -4...+390°F;
EPDM gasket: -50...+150°C / -58...+300°F
Depends on the antenna type. Refer to the table that follows.
Ex devices: see supplementary operating instructions
2 Ambient temperature for operation of the display
-20...+60°C / -4...+140°F
If the ambient temperature is not between these limits, the display screen switches off automatically
3 Ambient temperature
Non-Ex devices: -40...+80°C / -40...+175°F
Ex devices: see supplementary operating instructions
4 Process pressure
Depends on the antenna type. Refer to the table that follows.
WARNING!
The process connection temperature range must agree with the temperature limits of the
gasket material. The operating pressure range is subject to the process connection used and the
flange temperature.
Antenna type Maximum process connection
temperature
Maximum operating pressure
[°C] [°F] [barg] [psig]
PP Drop +100 +210 16 232
PTFE Drop +150 +300 40 580
Horn / Sheet metal horn +200 +390 40 580