Short name:
O3 monitor (PNNL)

Full name:
Teledyne T400 UV Absorption O3 Analyzer

What is being measured:
Ozone

Sampling Protocol:
Online

Manufacturer:
Teledyne

Model:
T400

Instrument year :
None specified

Data recording software:
APICOM

Data analysis software:

Raw data time resolution:
10 sec

Analysis data averaging:
60 seconds

Detection limit:
0.4 ppb

Sensitivity to temperature (and correction method, if applicable): :
5-40C

Sensitivity to relative humidity (and correction method, if applicable): :
0-90%

Sampling method:
Direct sampling

Sample preparation method:
N/A

Sample residence time (chamber to instrument) (seconds):

Length of tubing (cm):

Instrument flow rate:
0.8 LPM

Tubing inner diameter:

Tubing material:
FEP Teflon

Chemical identification method:
UV absorption

Data analysis method:

Quantification method:
Absorption difference between background and sample converted into ppb by applying absorption coefficient

Calibration method:
Calibration performed using O3 calibrator

Calibration drift estimate:
Low (on the order of weeks)

Calibration schedule:

Uncertainty estimation method:
10% provided by manufacturer

Known interferences:
Absorption cross section of gas compounds

Link to supplemental information:

Additional notes:

Measurement uncertainty:
10%

Measurement units:
ppb