Multi-Point Calibration - Teledyne 300 Instruction Manual

For minimum back-diffusion through the vent and for minimum back-pressure in the
manifold, the following relationship should be met:
Q x L
v
 = 500
Q x D
a
Where Q is the vent flow in cc/min
v
Q is the Analyzer flow in cc/min
a
L is the vent line length in inches
D is the ID of the vent line in inches
For Q of 1000 cc/min
v
Q of 800 cc/min
a
D of .188 inches
L = approximately 72"

8.2 MULTI-POINT CALIBRATION

Multi-point calibration requires seven approximately equally-spaced calibration points,
including zero, using an NIST-traceable CO source.
The calibration must be carried out:
a. Prior to field operation as an EPA-DESIGNATED REFERENCE METHOD
b. After maintenance
c. Every three months (recommended)
THE TEST GAS MUST BE INTRODUCED INTO THE
ANALYZER THROUGH THE SAMPLE INLET PORT.
ALL FLOW MEASUREMENT DEVICES MUST BE
CALIBRATED AGAINST AN NIST-TRACEABLE
STANDARD SUCH AS A BUBBLE-FLOW-METER WHICH
HAS BEEN CALIBRATED AGAINST AN NIST-
P/N 02163G Teledyne API Model 300 CO Analyzer Instruction Manual - Page 67
NOTE
TRACEABLE VOLUME STANDARD.