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Calibration Procedures

Model GFC7000TA Carbon Dioxide Analyzer

Teledyne Analytical Instruments

163

Figure 7-2:

Pneumatic Connections–Basic Configuration–Using Gas Dilution Calibrator

STEP TWO:

Set the expected CO

Span Gas concentration:

This sequence causes the

analyzer to prompt for the

expected CO

span

concentration.

M-P CAL

CO2 SPAN CONC: 400.000 Conc

0 0 0

4 5 .0

ENTR

EXIT

M-P CAL RANGE = 500.000 PPM CO2 =X.XXX

< TST TST > ZERO

CONC

EXIT

SAMPLE* RANGE = 500.000 PPM CO2 =X.XXX

< TST TST >

CAL

SETUP

The CO

span

concentration values

automatically default to

400.0 Conc

To change this value to

the actual concentration of

the span gas, enter the

number by pressing the

button under each digit

until the expected value

appears.

EXIT

ignores the new setting

and returns to the previous

display.

ENTR

accepts the new setting

and returns to the

previous display..

NOTE

For this Initial Calibration it is important to independently verify the PRECISE CO

Concentration

Value of the SPAN gas.

If the source of the Span Gas is from a Calibrated Bottle, use the exact concentration value

printed on the bottle.