Calibrating Gas Pressure Sensors; Pressure Sensor Setup; Table 6-2. Pressure Sensor Calibration Setup - Teledyne T750 User Manual

C G
6.4.
ALIBRATING
Note
The portable calibrator has several sensors that monitor the pressure of the gases flowing
through the instrument. The data collected by these sensors are used to compensate the
final concentration calculations for changes in atmospheric pressure and are stored in the
CPU's memory.
P
RESSURE
Refer to Table 6-2, Figure 6-11, and Figure 6-12 for setup information. Procedures are
given in Sections 6.4.2 and 6.4.3.

Table 6-2. Pressure Sensor Calibration Setup

MENU
Cal Gas Press Cal
Cal Gas Pressure Sensor
Diluent Press Cal Diluent Pressure Sensor
O
O3 Press Cal
(with optional O
* Photo Press Cal
* (Section 6.4.3)
(with optional O
114
P S
AS RESSURE ENSORS
The calibration procedures presented in this section require an
independent, calibrated pressure meter/monitor.
S S
ENSOR ETUP
SENSOR
Regulator Pressure
3
Sensor
Generator)
3
Sample Gas Pressure
IN-HG-A
Sensor
Photometer)
3
PRESSURE MONITOR
UNITS
MEASUREMENT POINT
Insert monitor just before the inlet port of the
PSIG
cal gas MFC
Insert monitor just before the inlet port of the
PSIG
diluent MFC
Insert monitor in line between the regulator
and the O gas pressure sensor located on
3
PSIG
the O generator / photometer pressure /
3
flow sensor PCA
Use monitor to measure ambient
atmospheric pressure at the calibrator's
location.
083730750B DCN8606