3. Push the black tubing of the grab sample assembly into the sample inlet fitting. The sample inlet
fitting is behind the metal colorimeter inlet fitting.
4. Plumb the sample inlet tubing as follows:
a. Plumb one end of the coil of black tubing to the sample source between the primary and
secondary carbon tanks, as identified in ANSI/AAMI/ISO 13959 Water for hemodialysis and
related therapies.
b. Hold the open end of the black tubing over a drain, then open the valve at the sample source.
Rinse the tubing for 30 seconds.
c. Push the open end of the coil of black tubing into the check valve of the grab sample
assembly.
Decrease the length of the black tubing to remove the unnecessary length. Leave at least 5 feet
of length.
Note: AAMI is the acronym for Association for the Advancement of Medical Instrumentation.
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