Short name:
SMPS - particle wall loss rates

Full name:
scanning mobility particle sizer

What is being measured:
loss rates of particles from chamber walls

Sampling Protocol:
Online

Manufacturer:
TSI

Model:
3080, 3772

Instrument year :
None specified

Data recording software:
Custom labview program

Data analysis software:
Matlab

Raw data time resolution:
300 s

Analysis data averaging:

Detection limit:
1 particle/cc

Sensitivity to temperature (and correction method, if applicable): :
N/A

Sensitivity to relative humidity (and correction method, if applicable): :
N/A

Sampling method:
Direct sampling

Sample preparation method:

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

Length of tubing (cm):
100

Instrument flow rate:
0.3 lpm

Tubing inner diameter:
0.16 in

Tubing material:
Stainless Steel

Chemical identification method:
N/A

Data analysis method:
Particle loss rates are determined by binning particle size, plotting the loss of particles at each size, and doing an exponential fit to extract first-order loss rates

Quantification method:

Calibration method:
Size calibration with polystyrene latex spheres

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

Calibration schedule:
As Needed

Uncertainty estimation method:
Fit uncertainties

Known interferences:

Link to supplemental information:

Additional notes:

Measurement uncertainty:
20%

Measurement units:
Particle diameter (nm), Loss rate (min-1)