Operation Checklist

• Run dry air through the system to purge
• Run APS calibrationCharacterize salt through APS
  • Remove filter
  • Remove humidity/temp sensor
  • Dilution 100:1 setting
  • Set both pumps to 0.45 m/s flow rate
  • Check diluter and total dP setting correct. adjust sheath flow rate if not
• Run dry air through system to purge
• Weigh clean filterBegin recording RH,TEMP, dP
  • Install filter, mark orientation
  • Place humidity sensor below filter
• Run dry air through system @ 0.28 m/s
• Load filter with salt
• Turn off blower and atomizer air
• Weigh filter
  • Install filter at same orientation
  • Place humidity sensor above filter
• Run air through humidifier @ 0.28 m/sFlow dry air through filter until dP constant (watch for sudden P drop, then steadies)
  • Control humidifier to keep RH 78-79% for 5 min
• Run air through humidifier @ 0.28 m/sFlow dry air through filter until dP constant (watch for sudden P drop, then steadies)
  • Control humidifier to keep RH 78-79% for 5 min
• Run air through humidifier @ 0.28 m/sFlow dry air through filter until dP constant (watch for sudden P drop, then steadies)
  • Control humidifier to keep RH 78-79% for 5 min
• Turn off blower
• Weigh filter