Internal Ozonator Adjustment; Figure 4-3. Ozonator Flow Scheme - Thermo Scientific 49iQ Instruction Manual

Calibration

Internal Ozonator Adjustment

Internal Ozonator
Adjustment
4-14 49iQ Instruction Manual
The internal ozonator has been designed to satisfy the current EPA
regulations on biweekly precision and span checks. Before this option can
be used for precision or span checks, it must be certified as a transfer
standard. For detailed information on qualification and certification of an
ozone generating transfer standard, refer to the EPA Technical Assistance
Document on Transfer Standards.
For more information about the internal ozonator, see the
Equipment" chapter.
Use the following chapter to adjust the internal ozonator.
1. Connect a transfer standard or primary standard to the ozone OUT
bulkhead fitting of the instrument (see
The transfer standard or primary sample will be used to read the O
generated by the internal ozonator.
Figure 4–3. Ozonator Flow Scheme
2. From the Home Screen, press Calibration>Custom O
3. Adjust Level 1 for the desired level (typically 80% URL).
"Optional
Figure 4–3).
Levels.
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