YOKOGAWA OR8EFG User Manual page 16

(5) Attach the "stopper" supplied with the guide pipe to the sensor cable.
Fix the sensor cable so that the sensor tip projects 20 to 30 mm out from the pipe end when
the ORP Sensor is suspended in the guide pipe as shown in Figure 2.4.
NOTE
If the sensor tip does not project out from the pipe end, the measured value may not respond
promptly to the ORP variations of the measured solution. This may cause problems for ORP
measurement and control. On the other hand, if the sensor tip projects too far from the pipe end,
the force on the sensor may damage the sensor cable from scraping it against the pipe.
Attaching "Stopper"
Sensor Cable
Arm Pipe
Guide Pipe
20 to 30 mm
ORP Sensor
Figure 2.4 Mounting Sensor in Guide Pipe
Sensor Cable
Cable Clamp
2-inch (60.5 mm O.D)
Stopper
Mounting Pipe
< 2. Installation >
IM 12C07J01-01E 8th Edition : Apr. 27, 2020-00
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