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water systems
Davis 6440 Watermarkﾩ soil humidity sensor uses electrical resistance to measure the moisture level of the soil
– Low power consumption
Multiple displays can be used with a single sensor
yet are sensitive to a light breeze
Davis 7210 AirLink Air Quality Monitor Humidity Generator Accessories & Parts water systemsAn air quality monitor can help you take steps to deal with poor air quality, especially for those who are particularly sensitive. The AirLink Professional Air Quality Monitor can be used inside your home or outdoors. An AirLink Quality Monitor provides real time Air Quality Index readings and sends them to your phone or computer. The air quality sensor measures particulates (PM) in the air by size: PM1, PM2. 5, and PM10. The air quality meter gives
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