ANATEL A643, Operator'S Manual, Page: 84 / 222

84 of 220 Calibration and Validation - Anatel A643a
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Operator Manual
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8) After specifying a given ppb concentration level, press Enter to highlight the
concentration value. Using the Up and Down Keys , enter the actual TOC value for the
given standard concentration as it appears on the Certificate of Analysis and press
Enter to select the final value. Repeat this procedure for all calibration standard levels
selected.
9) Also highlight the # of reps and specify the number of replicates to be performed at
each level. Press Up and Down Keys to toggle through the available selections (1–3).
Typically, the more replicates, the more accurate the calibration results. With the
desired number replicates displayed, press
Enter .
10) Press Enter . The analyzer will asked if the “C of A” values have been entered. If not,
press Esc to enter the “C of A” values: once they are properly entered, press Enter to
continue.
11) If any changes must be made to the standard concentrations or the number of
replicates, press
Esc followed by Enter to abort the procedure. Immediately press
Enter at the TOC Calibrate Menu to re-enter the Standard Selection Menu .
12) Remove the sample vessel and install the blank vial at the prompt. Press Enter and its
contents are sampled and analyzed. The results of each of the analysis replicates are
reported.
Fig 6-3 : Calibration Purge Mode
Fig 6-4 : Calibration Mode
Calibration
Vial
Needle
Valve
Check
Valve
15 Micron
Filter
Bypass
Check
Valve
Sample
Valve 2
Calibration
Valve
Pump
Sample
Valve 1
Analysis
Cell
Thermistor
Sample
Needle
Check
Valve
Air
Filter
Air Inlet
Drain
Process
Water
Inlet
Calibration
Purge Mode
Note: Arrows indicate flow path.
Calibration
Vial
Check
Valve
Air
Filter
Needle
Valve
Check
Valve
15 Micron
Filter
Bypass
Check
Valve
Sample
Valve 2
Calibration
Valve
Pump
Sample
Valve 1
Analysis
Cell
Thermistor
UV Lamp
Sample
Needle
Drain
Air Inlet
Process
Water
Inlet
Calibration
Mode