Symbols and terms used in this manual:
This indicates a warning. It provides safety precauon informaon needed to avoid
injury while operang the refractometer system.
This indicates that something is important for the operaon of the refractometer sys-
tem.
Note. Notes contain addional informaon and hints.
Warning! The process medium may be hot or otherwise hazardous.
Precauons when removing the sensor from the process line:
• Make posively sure that the process line is not under pressure. Open a vent valve to the
atmosphere.
• For a prism wash system, close a hand valve for the wash medium and disable the wash
valve.
• Loosen the clamp cauously, be prepared to ghten again.
• Be out of the way of any possible splash and ensure the possibility of escape.
• Use shields and protecve clothing adequate for the process medium, do not rely on avoid-
ance of contact with the process medium.
• Aer removal of the sensor, it may be necessary to mount a blind cover for security reasons.
It is the user’s responsibility to follow manufacturer’s safety and operang instrucons. The
client’s organizaon has the responsibility to develop and maintain occupaonal safety and
create a safety culture where individuals are expected to follow safety instrucons at all mes.
Any negligence towards safety instrucons or failure to comply with safe pracces should not
be tolerated. It is the manufacturer’s responsibility to produce goods that are safe to use when
instrucons are followed.
Warranty
All K-Patents products are guaranteed to be free of material or workmanship defects. K-Patents
provides a limited warranty that covers the repair or replacement, without charge, of any de-
fected product or part that occurs within two (2) years from the date of delivery. The repair
can only be done by nearest authorized K-Patents repair facility.
K-Patents is not responsible for material selecon of process weed parts.
Warranty does not cover normal wear and tear of the product over me, or any products that
are handled, installed or used against manufacturer’s guidance.
Please note that prior to shipping any products or items to K-Patents, a Request for Return
Materials Authorizaon (RMA) must be lled in and submied to K-Patents Order Handling
department. The RMA form is available at hp://www.kpatents.com/ in the Support secon.
THE PASSWORD FOR PR-23 IS 7 8 4 5 1 2
This product manual is delivered to the end user with a K-Patents product. Informaon in this
manual is subject to change without noce. When the manual is changed, a revised copy is
published at hp://www.kpatents.com/.
Document/Revision No. IM-EN-PR23/Rev. 1.91 Eecve: July 3, 2017