Teledyne Tablet Accessory T803 Manual De Usuario
Teledyne API T803 CO2/O2 Analyzer Operation Manual
Calibration Procedures
167
9.4. CALIBRATION OF THE T803’S ELECTRONIC
SUBSYSTEMS
9.4.1. PRESSURE CALIBRATION
A sensor in the sample path continuously measures the pressure of the sample
gas. This data is used to compensate the measured CO
gas. This data is used to compensate the measured CO
2
and O
2
concentrations for
changes in atmospheric pressure and is stored in the CPU’s memory as the test
function PRES (also viewable via the front panel).
function PRES (also viewable via the front panel).
To carry out this adjustment, the current ambient atmospheric pressure must be
known.
known.
Before performing the following pressure calibration, ensure that the pressure
being measured by the analyzer’s internal sensor is equal to ambient atmospheric
pressure by disconnecting:
being measured by the analyzer’s internal sensor is equal to ambient atmospheric
pressure by disconnecting:
The sample gas pump and;
The sample gas-line vent from the sample gas inlet on the instrument’s rear
The sample gas-line vent from the sample gas inlet on the instrument’s rear
panel.
07276B DCN6418