Waterworks
IOM
Sensors
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3.2.3 Negative pressure
Avoid vacuum conditions in the pipe. These can damage the coating of the flowmeter and move the electrodes
from their correct position.
3.2.4 Protection from direct sunlight
Protect the flowmeter if exposed to direct sunlight.
3.2.5 Operating temperatures
For normal and efficient operating of the flowmeter:
The room temperature must be limited within the range of (-25 ÷ +60) °C, (-13 ÷ +140) °F.
°C
°F
Min.
Max.
Min.
Max.
Coating in EBONITE
-40
+80
-40
+176
Coating in PTFE (remote)
-40
+130
-40
+266
Coating in PTFE (compact)
-40
+80
-40
+176
Coating in PTFE (separate high temperature)
-40
+180
-40
+356
MUT1100J
0
+80
32
+176
INSERZIONI
-20
+80
-4
+176
Fig. 9 Avoid direct exposure to sunlight
Fig. 10 Environment and fluid temperature limits
