Short name:
SMPS

Full name:
Scanning Mobility Particle Sizer

What is being measured:

Sampling Protocol:
Online

Manufacturer:
Home made

Model:
TSI3081, TSI3771

Instrument year :
2005

Data recording software:
Labview

Data analysis software:
Custom Excel Program

Raw data time resolution:
83s

Analysis data averaging:
None

Detection limit:
#: 0.108 cm-3; V: 0.001 um3/cm3

Sensitivity to temperature (and correction method, if applicable): :
Up to 0.5% in # or 9.5% in Volume between 5C and 35C Correction Method: Calculate different inversion matrices for different temperatures and apply to the raw data.

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

Sampling method:
Direct gas sampling

Sample preparation method:
None

Sample residence time (chamber to instrument) (seconds):
12

Length of tubing (cm):
0.03

Instrument flow rate:
2.58

Tubing inner diameter:

Tubing material:
Copper

Chemical identification method:
None

Data analysis method:
The SMPS data that were recorded in scanning mode are analyzed using a custom Excel script. Particle size distribution, number/volume concentration as a function of time are displayed. Custom wall loss fitting time is available to do wall loss correction as needed.

Quantification method:
Signal strength is converted to partial number/size distribution by designed transfer functions.

Calibration method:
Standard particles(created by standard PSL solution) with a certain size range are sampled and detected. The calibration factor will be calculated based on the difference.

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

Calibration schedule:
Annually

Uncertainty estimation method:
Duplication of the same experimental conditions.

Known interferences:
N/A

Link to supplemental information:

Additional notes:

Measurement uncertainty:

Measurement units: