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Air quality monitor handheld CO2 meter for indoor measurementSummary: S8601A CO2 detector adopts carbon dioxide sensor and temperature and humidity sensor. The instrument is used to measure carbon dioxide content and<br> temperature and humidity in the environment, and is widely used in agriculture, aquaculture and industrial fields. Such as: planting greenhouses, livestock farms, beer, carbonated beverages, energy saving and environmental protection products production process and underground operation safety production.<br> In our daily living environment such as:<br> kindergartens, schools, office buildings, shopping malls, supermarkets, stations, hospitals and other public places, monitoring of carbon dioxide concentrationcan improve the quality of air, therebyimproving learning and work efficiency; Prevent the spread of infectious diseases and public health and safety.<br> Features:<br> Measuring CO2 content, temperature, humidity<br> Temperature unit: °C / °F conversion<br> Measurement result HOLD function<br> LCD two-line display, showing both CO2 content and temperature and humidity.<br> Green/yellow/red backlight prompt function<br> Automatic shutdown function<br> <br> 3 x 1.5V AAA batteries (does not include)<br> Warmtips:<br> The measuring range of the instrument is 400-5000ppm. If it exceeds 5000ppm, H1 be displayed and there be a continuous beep. It needs to be shut down and restarted before testing.<br> S8601A is an infrared sensor. Infrared sensors are more sensitive and accurate in measurement<br> Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance.<br> Material: plastic<br> colour: black+red<br> Package Contents:<br> 1 x detector<br> Only the above package content, other products are not included.