Short name:
TEI NOx (PNNL)

Full name:
Thermo Environmental NO/NO2/NOx Analyzer

What is being measured:
NO, NO2, NOx

Sampling Protocol:
Online

Manufacturer:
Thermo Environmental Instruments

Model:
model 42

Instrument year :
None specified

Data recording software:

Data analysis software:

Raw data time resolution:
20s

Analysis data averaging:
60s

Detection limit:
0.4 ppb

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

Sensitivity to relative humidity (and correction method, if applicable): :
0-95%

Sampling method:
direct sampling

Sample preparation method:
NA

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

Length of tubing (cm):

Instrument flow rate:
0.5 LPM

Tubing inner diameter:
1/4 inch

Tubing material:
FEP Teflon

Chemical identification method:
Chemiluminescence

Data analysis method:

Quantification method:
Voltage from PMT is converted into concentration

Calibration method:
Calibration using standard NO gas

Calibration drift estimate:
Medium (on the order of days)

Calibration schedule:
As Needed

Uncertainty estimation method:
Propagated from calibration

Known interferences:
Existence of NOz species

Link to supplemental information:

Additional notes:

Measurement uncertainty:
10%

Measurement units:
ppb