Teledyne 6750 - Total Organic Carbon analyzers - Manual (Page 51)

Total Organic Carbon Analyzer Setup and Operation
Teledyne Analytical Instruments 39
Note: On the initial Startup, IR gas calibration should be
performed prior to liquid calibration
a. Select [CALIBRATE] from the main menu. The
following screen will appear:
b. Select [TOC].
The following screen appears:
c. Flow “ZERO” (D. I. Water) and allow NDIR reading
to stabilize. For maximum accuracy, especially at
lower ranges, this process may take 20 minutes.
When reading is stable, select [ZERO].
d. Flow Liquid Span Standard Solution. Allow NDIR
reading to stabilize, (approximately 15 minutes).
e. Select [SPAN]. It is recommended that the operator
continue to observe the reading and if not stabilized at
the desired span setting ± 2%, repeat the span
selection until stable.