Testo 317-3 Ambient CO Stick

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  • 0 to 1,999ppm CO range
    • 1ppm resolution
    • ±5% accuracy
  • No zeroing required
  • Adjustable alarm threshold
  • Self-test mode verifies CO sensor function anytime
    • No need for test gas
  • 3 year warranty on CO cell

What's in the Box

  • Earphone
  • Leather holster
  • Belt clip
  • Wrist strap

The Testo 317-3 Ambient CO Stick detects the presence of carbon monoxide (CO) in ambient air and warns the user both visually and audibly about dangerous CO concentrations during furnace and boiler service and maintenance, weatherization audits or home inspections.