Extech CO240: Indoor Air Quality, Carbon Dioxide (CO2)

Extech CO240: Indoor Air Quality, Carbon Dioxide (CO2)

• Dual display of Carbon Dioxide (CO₂) concentrations and Relative Humidity, Temperature, Dew Point, or Wet Bulb
• Maintenance free NDIR (non-dispersive infrared) CO₂ sensor
• Audible CO₂ warning alarm when concentration level exceeds high user set point
• Min/Max CO₂ value recall function
• Includes software and cable for on-line (real-time) datalogging to a PC
• Automatic Baseline Calibration function
• Data Hold, Auto Power Off (with disable), Low battery indicator
• Tripod mount (tripod sold separately)
• Complete with six AAA batteries, USB cable, PC software, and soft case