This miniature, optical liquid level sensor switch has a micro structure with a 5mm diameter LED (see below). This sensor is good for liquid level detection at extremely small installations, and it ...

Naperville plans to buy sensors that will help the water utility detect system leaks faster and with more accuracy, staff say.

This study demonstrates the effectiveness of the E-Tongue as a rapid and reliable device for at-home detection of lead in drinking water. The researchers hope this tool will soon be a practical option ...