• Daily
  • Observe Operation
  • Check Error Messages
• Weekly (only if filters are used)
  • Replace dirty filter with clean
  • Place dirty filter in cleaning solution
• Bi-Weekly to Monthly
  • Check Zero/Clean Containers
  • Clean Inlet Strainers
  • Perform Manual Zero
  • Record Indicator Numbers
• Monthly
  • Refill Reagent Containers
  • Replace Internal Pump Tube
  • Grab Comparison Sample
• 2 Years
  • Replace Battery
• 5 Years
  • Replace Flash Lamp (If needed)

* less than 1 hour / week - if filters are used, less than 30 min. / week without filters