Setup And Verification Of O Photometer Performance; Figure 6-3. Set Up For Verifying O; Photometer - Teledyne T750 User Manual

S
ETUP AND
Note
Set up the calibrator and reference photometer as illustrated in Figure 6-3
Make calibration
source gas connections
as presented under
Pneumatic Connections
in Getting Started
section of this manual.
To verify the performance of the internal photometer, place the calibrator in Standby mode
(in Generate menu), and perform the following steps (refer to Figure 6-4):
1. In the Generate menu press the AUTO button.
2. In the pop-up window press the button in the Gas field.
3. Change the Gas selection to O3, and set the target concentration, units
4. Press the Generate button and view the target settings in the upper
5. Go to Home page and wait about 10 minutes or more until the reading
106
V O P
ERIFICATION OF HOTOMETER
3
This operation requires an external reference photometer.
PHOTO IN
(internal) PHOTO OUTLET
PHOTO ZERO IN
(internal) PHOTO ZERO OUT
EXHAUST
CYL IN
CALGAS
OUT
DILUENT IN
T750
REFERENCE
Sample Port

PHOTOMETER

Zero Port

Figure 6-3. Set up for Verifying O

of measure, and total flow appropriately.
portion of the display.
under "Actual" stabilizes before comparing that value to the reading of
the reference photometer to ensure they are within 1% of each other (If
not, calibrate per Section 6.2.2).
P
ERFORMANCE
Max Length=3 meters ( or 10 feet)
Vent
If the gas flow on
this line is
≥ 5 SLPM the
minimum O.D.
must be 3/8 inch
Connect to same
zero air source as
the T750
Photometer
3
083730750B DCN8606