User Manual

INSTALLATION 3
25
OPTIWAVE 7400-24 C
www.krohne.com12/2015 - 4004901901 - MA OPTIWAVE7400-24 R01 fr
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
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
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 [phone]
PTFE Drop +150 [phone]
PEEK Drop +xxx +xxx xx xxx
Hygienic +150 [phone]
Horn / Sheet metal horn +200 1 +300 1 40 (100) 2 580 (1450) 2
1 The maximum process connection temperature must agree with the temperature limits of the gasket material. If the
distance piece option is not attached, the maximum process connection temperature is +150°C / +300°F.
2 Standard operating pressure: 40 barg / 580 psig. Optional max. operating pressure: 100 barg / 1450 psig.