Model 306 Ozone Calibration Source Manual Rev. G-1
4
2.
SPECIFICATIONS: MODEL 306 OZONE CALIBRATION SOURCE
Method of Ozone Production
UV photolysis of molecular oxygen (O
2
) at 185 nm
Ozone Concentration Range
0 ppbv and 30 ppbv to 1,000 ppbv
*
Output Flow Rate
4.0 L/min volumetric
Precision and Accuracy
Greater of 2.0 ppbv or 2.0% of ozone concentration
Response Time for Change in
Ozone Output Concentration
< 30 s to reach 95% of selected concentration
Dimensions
3.5 × 6.3 × 11.6 inches (9 × 21 × 29 cm)
Weight
5.6 lb (2.6 kg)
Power Requirements
12 V DC or 120/240 V AC, 18 watt
Analog Output
Yes; voltage output tracks ozone output and provides
system error codes
Serial Connection
Yes; for remote operation and for system diagnostics
Programmable Output
Yes, user-specified ozone output for up to 10 steps from
0 to 1,000 ppbv; stored in internal memory
Scheduler
Yes; once-daily execution of the step program at user-
specified hour
Baud Rate
4800
*
Even though the instrument is capable of producing greater than 1,000 ppbv of ozone, the
upper limit to the concentration that can be accurately controlled should be assumed to be
1,000 ppbv.
