Now this is proof that smart home tech doesn’t have to be expensive ...

Hydrogen leaks are hard to detect in humid air, but a sensor gets more accurate as moisture rises. Could this change safety ...

Wherever hydrogen is present, safety sensors are required to detect leaks and prevent the formation of flammable oxyhydrogen ...

Relative humidity, or RH, is the percentage of moisture in the air referenced to the maximum level of moisture the air can hold at that temperature and pressure. Early humidity sensors used natural ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Megan Wollerton After a round of testing we’ve added many new picks: the ...