< 2. Installation, Piping and Wiring >
2-3
IM 12B07N01-01E
(2) When a polypropylene holder is used:
Keep the temperature and pressure of the process fluid (pressure of the cleaning fluid for
holders with jet or brush cleaning) within the range shown in Figure 2.5.
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0 100
105
100
80
60
40
20
Polypropylene
(or Stainless Steel)
200 300
Pressure (kPa)
400 500
Stainless Steel
Temperature
(°C)
Figure 2.5
Temperature and Pressure Diagram for Polypropylene Resin Holder
(3) When a general use sensor with KCl, solution tank is used:
The pressure of the process fluid inside the holder should not exceed the tank head
pressure 10 kPa (0.1 kg/cm
2
G).
General Type Reserve Tank
At Least 1 m
KCl Head Pressure Ht
Solution Head Pressure Hm
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Ht > Hm
KCl Filling
Type Sensor
Inlet
Figure 2.6 Relationship between the Solution Pressure, Pressure and Reserve Tank Height