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Overview of Operating Modes and Basic Operation Teledyne API – Model T700 Dynamic Dilution Calibrator
118
4.2.6. GENERATE ACT>: VIEWING CONCENTRATIONS GENERATED
FROM MULTI-GAS CYLINDERS
When a concentration mixture is being generated, using a multiple-gas cylinder as a
source the software uses the Diluent and Cal gas flow rates to calculate the actual
concentration for each gas in the cylinder so that it is possible to see the concentrations
of all of the gases being output by the T700 calibrator.
EXAMPLE: For a cylinder containing a blend of CH
4
, NO and NO
2
, a common
contaminant is present in small quantities in bottles containing NO: This will display the
actual concentration being generated for each gas in the multiple-gas cylinder.
When generating a concentration of one of the two primary gases in the cylinder (e.g.
NO or CH4) using the GEN AUTO, GEN MANUAL buttons or a preprogrammed
calibration SEQUENCE, press:
Note
The ACT> button only appears if the T700 is generating gas from a multiple-gas
cylinder. To start any preprogrammed calibration SEQuences, first place the
calibrator in STANDBY mode (the SEQ button replaces the ACT> button)
For NO cylinders, the instrument will only display the amount of NO
2
in the
calibration mixture if the concentration of NO
2
present in the bottle is known and
was programmed into the bottle’s definition (see Section 3.4.7).
4.2.6.1. Using the T700 Calibrator as an O
3
Photometer
If the T700 calibrator is equipped with the optional O
3
photometer the ACT> test
function allows it to be used as an O
3
photometer to measure external sources of O
3
.
06873B DCN6388