Specifications

Instruction 24-9388
14
Fyrite Pro
4.1.2 Measuring CO (Model 125E only)
1. Turn ON the analyzer and allow it to warm-up per Section 4.1.1.
Important: If the CO channel is set up for auto zero, then
the analyzer must be turned ON in fresh air; otherwise,
incorrect CO readings will occur. Refer to Section 3.5.3.
When the CO channel is set up for manual zero, and if the
CO reading is higher than zero when sampling fresh air, then
manually zero the CO channel per Section 5.6, Steps 1 thru 4.
2. Push the ENTER button then press either the  or  button as nec-
essary to display the CO & CO Air Free Screen.
3. Insert the analyzer’s probe into the area to be tested and observe
the detected CO level in ppm on the LCD.
4.1.3 Measuring Draft
1. Turn ON the analyzer and allow it to warm-up per Section 4.1.1.
2. Press ENTER and then press either the  or  button as necessary
to display the TA & Draft Screen.
3. The draft reading should be zero when sampling room air. If not,
press the  button once to display the Draft Zero Screen, and then
press the ENTER button to zero the draft channel to ambient atmo-
spheric conditions.
4. Insert the analyzer’s probe into the area to be tested and observe
the draft reading on the LCD.