Model 300E Carbon Monoxide Analyzer
Instruction Manual
Getting Started
P/N 04288 REV: A 37
7. Set the expected CO span gas concentration
SAMPLE RANGE = 50.0 PPM CO =
< TST TST > CAL SETUP
M-P CAL RANGE = 50.0 PPM CO =
< TST TST > ZERO CONC EXIT
M-P CAL CO SPAN CONC: 40.0 Conc
0 0 0 4 0 .0 ENTR EXIT
EXIT 2x’s to Return to the
Main SAMPLE Display
ENTR stores the expected
CO span concentration value.
This sequence causes the
M300E to prompt for the
expected CO span
concentration.
The CO span concentration value
automatically defaults to 40.0 Conc.
Make sure that you input the ACTUAL
concentration value of the SPAN Gas.
To change this value to meet the actual
concentration of the SPAN Gas, enter the
number sequence by pressing the key under
each digit until the expected value is set.
NOTE
For this Initial Calibration it is important to independently verify the PRECISE CO Concentration
Value of the SPAN gas.
If the source of the Span Gas is from a Calibrated Bottle, use the exact concentration value
printed on the bottle.
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