Short name:
SO2 analyzer

Full name:
Pulsed Fluorescence SO2 Analyzer

What is being measured:
SO2

Sampling Protocol:
Online

Manufacturer:
Thermo Scientific

Model:
43i

Instrument year :
2011

Data recording software:
MICAS-X

Data analysis software:
NA

Raw data time resolution:
1 sec

Analysis data averaging:
None

Detection limit:
0.5ppb (300 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:
NA

Data analysis method:
NA

Quantification method:
NA

Calibration method:
SO2 Calibration gas standard at least 3 concentrations

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

Calibration schedule:
Variable, dependent on measurement needs (min biannually)

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