A-1
APPENDIX A
Specifications
Table A-1 gives specifications for the Scanning Mobility Particle
Sizer
™ (SMPS™) Spectrometer. These specifications are subject to
change.
Table A-1
SMPS Specifications
Concentration range
(particles/cm
3
) ................. Model 3772 1 to 10
7
Model 3775 2 to 10
8
Model 3776 10 to 10
7
Model 3782 1 to 10
7
Model 3785 1 to 10
8
Model 3786 2 to 10
7
Model 3010-S* 1 to 10
7
Model 3022A-S* 2 to 10
8
Model 3025A-S* 20 to 10
7
Particle diameter range .... Model 3772 10 to 1000 nm
Model 3775 4 nm to 1000 nm
Model 3776 2.5 nm to 1000 nm
Model 3782 10 nm to 1000 nm
D
50
is set at 10 nm
when 3782 is used in
SMPS
Model 3785 5 nm to 1000 nm
Model 3786 2.5 nm to 1000 nm
Model 3010-S 10 nm to 1000 nm
Model 3022A-S 7 nm to 1000 nm
Model 3025A-S 3 nm to 1000 nm
Displayed resolution ........ 4, 8, 16, 32, or 64 geometrically equal
channels per decade
Inlet flow rate of the CPC . Model 3772 1.0 L/min
Model 3775 0.3 or 1.5 L/min
Model 3776 0.3 or 1.5 L/min
Model 3782 0.6 L/min
Model 3785 1.0 L/min
Model 3786 0.6 L/min
Model 3010-S 1.0 L/min
Model 3022A-S 0.3 or 1.5 L/min
Model 3025A-S 0.3 or 1.5 L/min
Flow rate of the
Electrostatic Classifier ..... Adjustable
Aerosol ...................... 0.2 to 2.0 L/min
Sheath air ................. 10 times aerosol flow (nominal) 2 to 20 L/min
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