Teledyne 460H NEMA Instruction Manual page 26

5.4.4 O3
Syntax
<address>O3<CR>
Description
Returns the current ozone concentration measured by the monitor.
Data Parameters Sent
None
Response
<address>:<o3_conc>#<checksum><CR>
Example
Command:
1O3<CR>
Response:
1:12.01898#518<CR>
Notes
Note that the concentration value returned shows more digits after the decimal than the
front panel display. Concentration values should only be considered valid to 4 significant
digits.
P/N 03662D Teledyne API Model 460H O 3 Monitor Operator Manual - Page 26
- Current O3 Concentration (reading 12.02 wt%)