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Chapter 4: Installation
3.
Ensure that Check Standard is Enabled. If it is not enabled, press the Check Standard button. Then,
press the Enabled button that appears on the right side of the screen.
4.
Ensure the Range (ppm) button is set to Up to 1,000. If it is not, press the Range button to display the
Range options on the right side of the screen. Press the Up to 1,000 button.
5.
The Calibration button will appear as "Factory Default." This is acceptable for the test.
6.
Press the Rep button to set the number of replicate measurements to be performed. A keypad will be
displayed on the right side of the screen. Press 3, then press Enter to set the Analyzer to 3 replicate
measurements.
7.
Ensure that the other settings in the Protocol Setup screen are:
• Measure:
• Acid:
• Oxidizer:
• Rej:
• Flush:
8.
Ensure that the other settings in the Protocol Setup/Advanced Setup screen are:
• Sparge:
• Blank Correction:
If any of the settings need to be changed, press the button that is to be changed, and the choices will
show up on the right side of the screen, as described above.
9.
Press Back then select the Maintenance tab.
10. Press the Flush Reagents button, then press the Flush All button. The reagent, dilution water, and
check standard lines will be flushed. All bubbles, except for very small ones, should be flushed out of the
5.
The Oxidizer setting is dependent upon the chemical oxygen demand (COD) of the sample. The presence
of chloride, nitrogen, sulfides, phosphorus, and so on can influence how much oxidizer is required. Higher
levels of these species in the sample will require more oxidizer. For example, a brine sample with 25%
sodium chloride (NaCl) requires a 30% Oxidizer setting. Wastewater discharge will require as little as 5%
Oxidizer. For more information, see
GE Analytical Instruments ©2016
NPOC
1%
15% (D
ependant upon COD of the sample
0
Off
0.8 min.
Off
"Oxidizer" on page
103 of 270
5
)
145,
DLM 68100-09 EN Rev. A
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