This desktop monitor continuously shows carbon dioxide measurements, as well as temperature and relative humidity levels so that you can easily check the air quality of any environment. It uses a non-dispersive infrared diffusion sensor (NDIR) which provides several benefits over chemical sensors. They are self-calibrating, do not lose accuracy in heat or cold and do not have any problems with over-exposure or negative memory effects.

Features:

• Sensitive and highly accurate
• User-adjustable air quality alarm
• Min / Max function for CO2 measurements
• °F / °C switchable
• Displays clock, calendar, alarm, temperature, humidity and CO2 levels in real time
• Long time drift sensor compensation
• Automatic background calibration - no adjustment required
• Supplied with a universal 110V / 220V wall adapter and instruction manual

Specifications:

• Ranges:
  • CO2: 0 to 9,999 ppm
  • Temperature: 14°F to 140°F (-10°C to 60°C)
  • Humidity: 0.1% to 99.9%
• Resolution / Accuracy:
  • CO2: 1 ppm / ±50 ppm ±5%
  • Temperature: 0.1° / ±0.9°F (±0.6°C)
  • Humidity: 0.1% / ±5%
• Dimensions: 4.72" dia x 3.14" depth
• Weight: 7.05 oz (200g)