INSTALLATION
2
17
OPTIFLUX 4000
www.krohne.com
10/2021 - 4003872405 - QS OPTIFLUX 4000 R08 en
2.9.2 Temperatures
CAUTION!
Protect the device from direct sunlight.
Temperature range
Process [
°
C]
Ambient [
°
C]
Process [
°
F]
Ambient [
°
F]
min.
max.
min.
max.
min.
max.
min.
max.
PTFE & PFA
Remote flow sensor
-40
180
-40
65
-40
356
-40
149
Compact with IFC 300 / IFC 400
1
-40
140
-40
65
-40
284
-40
149
Compact with IFC 100 / IFC 050
2
-40
120
-40
65
-40
248
-40
149
ETFE
Remote flow sensor
-40
120
-40
65
-40
248
-40
149
Compact with IFC 300 / IFC 400
1
Compact with IFC 100 / IFC 050
Hard rubber
Remote flow sensor
-5
80
-40
65
23
176
-40
149
Compact with IFC 300 / IFC 400
1
Compact with IFC 100 / IFC 050
PU
Remote flow sensor
-5
65
-40
65
23
149
-40
149
Compact with IFC 300 / IFC 400
1
Compact with IFC 100 / IFC 050
1
Maximum ambient temperature for IFC 400 in combination with fan only. For specific conditions of the ambient tem-
perature, please refer to the documentation of the IFC 400 converter.
2
Max. ambient temperature is 60
°
C / 140
°
F, but process temperature is then limited to 60
°
C / 140
°
F.
INFORMATION!
Ambient temperatures below -25
°
C / -13
°
F may affect the readability of the display
INFORMATION!
The maximum ambient temperature for the IFC 100 stainless steel compact version is 5
°
C / 9
°
F
lower than the standard compact versions.
