TECHNICAL DATA
7
47
OPTITEMP TT 53 C/R
www.krohne.com
06/2018 - 4006523501 - MA OPTITEMP TT 53 R01 en
7.4 Temperature data for areas with potentially explosive atmospheres
In-head transmitter
In-head transmitter
In-head transmitter
In-head transmitter
Intrinsically safe transmitter
Rail-mount transmitter
Rail-mount transmitter
Rail-mount transmitter
Rail-mount transmitter
Intrinsically safe transmitter
Temperature class
Ambient temperature T
a
T6
-40
°
C
≤
T
a
≤
+60
°
C / -40
°
F
≤
T
a
≤
+140
°
F
T5
-40
°
C
≤
T
a
≤
+75
°
C / -40
°
F
≤
T
a
≤
+167
°
F
T4
-40
°
C
≤
T
a
≤
+85
°
C / -40
°
F
≤
T
a
≤
+185
°
F
Temperature class
Ambient temperature T
a
T6
-40
°
C
≤
T
a
≤
+60
°
C / -40
°
F
≤
T
a
≤
+140
°
F
T5
-40
°
C
≤
T
a
≤
+75
°
C / -40
°
F
≤
T
a
≤
+167
°
F
T4
-40
°
C
≤
T
a
≤
+85
°
C / -40
°
F
≤
T
a
≤
+185
°
F