=====March 14 2022 Log===== * **Run 01**: SMPS_20220314_Run01 * SMPS Setup: * 3775 High * Classifier Model: 3080 * DMA: 3081 * Sheath: 4.5, Aerosol: 1.5 * Impactor Type: 0.071 * Size Range: 11.1 nm - 523.3 nm * Scan Time: 120 Up, Retrace: 15 * //Start Time//: 19:22 UTC * //Adjusted Flow Rate Time//: 19:33 UTC * CPC Concentration: 9000 - 9300 #/cm3 * APS Peak: around 2.5µm at ~ 40-55 #/cm3 * Notes: CPC Concentration slightly going down, APS diameter peak slightly going up. * **Run 02**: SMPS_20220314_Run02 * Filter changed: 47mm * //Start Time//: 20:04 UTC * CPC Starting Concentration: 7500 #/cm3 * Peak on APS not visible * Concentrations dipped at 20:10 UTC. Looks like a loss of power. * After investigation, fans overheated causing a loss of power. End of run. * **Run 03**: SMPS_20220314_Run03 * //Start Time//: 21:39 UTC * CPC Starting Concentration: 8000 #/cm3 * APS Starting Peak: ~ 3 μm at 6-8 #/cm3 * APS Pattern: Flat Spectrum. Minor peaks between 3-4 μm at 8 #/cm3 * CPC Concentration at 7000 #/cm3 5 mins into run. * Temperature inside generator/wind tunnel 142-146 °F. * **Run 04**: SMPS_20220314_Run04 * //Start Time//: 22:05 UTC * CPC Starting Concentration: 5300 #/cm3 * APS Starting Pattern: Fairly flat, minor peak around 3.5 µm at 10-12 #/cm3 * APS pattern progressively more flat as run continued. Very minor peak remained around 3-4 µm.