Short name:
NOx analyzer

Full name:
Model 42i Trace Level Chemiluminescence NO-NO2-NOx Analyzer

What is being measured:
NOx

Sampling Protocol:
Online

Manufacturer:
Thermo Scientific

Model:
42iTL

Instrument year :
2012

Data recording software:
MICAS-X

Data analysis software:
NA

Raw data time resolution:
1 sec

Analysis data averaging:
10 sec

Detection limit:
<50ppt RMS (120 second averaging time)

Sensitivity to temperature (and correction method, if applicable): :
Unknown

Sensitivity to relative humidity (and correction method, if applicable): :
Unknown

Sampling method:
Direct gas sampling through particle filter

Sample preparation method:
NA

Sample residence time (chamber to instrument) (seconds):
1

Length of tubing (cm):

Instrument flow rate:

Tubing inner diameter:

Tubing material:
FEP Teflon

Chemical identification method:

Data analysis method:

Quantification method:
Onboard instrument

Calibration method:
NO calibration gas standard at least 3 concentrations

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

Calibration schedule:
As Needed

Uncertainty estimation method:
Based on periodic calibrations

Known interferences:
Minimal

Link to supplemental information:

Additional notes:

Measurement uncertainty:
10-15% unless calibrated very recently

Measurement units:
ppb