Teledyne 6700-C Total Organic Carbon Analyzer (Hi-Temp Combustion version) - Manual (Page 36)

Operation Model 6700C TOC
Teledyne Analytical Instruments 36
To set IR “Zero”:
 Flow 200cc/minute oxygen (or CO
2
free air) for 5 minutes.
 Allow the NDIR reading to stabilize. Select [ZERO]. The
NDIR Reading will be set to 0.
To set IR “Span”, a gas calibration standard mixture of 1% CO
2
in
pure nitrogen is required for the 6 inch (shorter) IR bench. A gas
mixture of 0.1% CO
2
in pure nitrogen is required for the longer (15 inch)
bench.
 Flow 200 cc/minute of this cal gas.
 Allow the NDIR reading to stabilize and then select [SPAN].
The NDIR reading will be set to 10,000.
 Select [OK] to save or [CANCEL] to reject the calibration
setting.
The NDIR has now been properly calibrated. Re-connect tubing as
before.
4.4.4.“End-to End” Calibration
Note: On the initial Startup, the gas calibration should be
checked and, if necessary, performed prior to liquid
calibration.
From Menu, select [CAL]. The following screen will appear: