Safe-Drive
®
Process Refractometer PR-23-SD Best Practices, Generation 2
© Copyright K-Patents 2014. All rights reserved.
15
NOTE:
Damage caused to prism by excessive pressure or washing is not covered by the
product warranty.
Choose the correct steam source pressure by comparing it to the process pressure.
The steam source pressure must be higher than process pressure to provide adequate
washing, but excessive pressure may also cause premature damage or etching of the
prism. Also, if the washing phase is programmed to last too long, the prism may wear
out prematurely.
2. Install the steam pipes in the SDI2 valve, as instructed below.
NOTE:
All the necessary wash fittings are included in the
valve.
3. Connect the steam wash system power supply.
For more information, please see
K-Patents Steam Instructions
.
Figure 11
Wiring steam wash system
For more information on controlling the prism wash cycle, please refer to chapter
Configuring relays in
K-Patents user documentation.
4.7 Before Inserting and Removing PR-23-SD Sensor
WARNING:
Always use the Safe-Drive
®
Retractor tool for inserting and removing the sensor.
Removing the sensor without the Retractor tool may cause a life-threatening situation, if
there is any pressure in the process pipe. Inserting or removing sensor without Retractor tool
may also cause damage to the lip seal. Always store the Retractor tool indoors in a clean
and dry location.
