The Extech CO260 monitors indoor air quality for Carbon Monoxide (CO)and Carbon Dioxide (CO2) levels. In high concentrations these gases can affect the health and well-being of people and pets. Monitor CO2 levels in schools, office buildings, greenhouses, factories, hotels, hospitals,…

The CO240 measures Carbon Dioxide (CO2), Air Temperature and Humidity, as well as Dew Point and Wet Bulb calculations. The user settable high alarm with audible beeper is perfect for conducting a quick check of CO2 level to help adjust the environmental conditions in an enclosed area, such as a…

With the CO15, checking CO levels is as easy as pushing just 1 button on the model CO15, which measures up to 999ppm. An audible alarm indicator will continuously beep starting at 25ppm (preset warning level - value can be adjusted) and the display will flash until the CO level goes down to normal…

Features: Ergonomic pocket size housing One button operation Easy to read 1999 count backlit displays CO levels from 0 to 1000ppm Audible alarm starting at 35ppm with continuous beeping when above 200ppm Backlight for low light conditions Max Hold and Data hold buttons …