K-Patents PR-23 for K-Patents Appendix - Manual (Page 51)

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The need for K-Patents Pharma Refractometer regular maintenance is minimal, due
to the construction with no moving parts, no mechanical adjustments, no trimpots and
with a solid-state light source, see
Section 7, PROCESS REFRACTOMETER PR-23
INSTRUCTION MANUAL.
The following checks should be performed for Mini flow cell at suitable intervals in
accordance with an established schedule:
● Check the condition of the O-ring (PR-9244-USP O-ring 22.2x3.0 EPDM) of the
Pharma Mini Flow Cell
● Check the condition of the two Sanitary gaskets (PR-9236-USP EPDM) of the 0.5”
Sanitary Clamps
Preventive Maintenance