The urea sensors, however, do not detect anions in aqueous solutions. Like the thiourea sensors, the urea sensors change color from yellow to purple on complexation with any of the three anions.

A photo eye is a safety sensor installed at a maximum of 6 inches from the bottom of a garage door track. The system uses lasers to detect any obstructions in the door's path, like a child or a ...

Eagle Eye Networks, a cloud-based video surveillance solutions provider, launched Eagle Eye Sensors to detect and alert when vaping, air quality changes, temperature shifts, water presence, and ...

Sensors are at the heart of industrial automation systems. Liam Critchley examines the different types used for particular ...

Water-leak sensors, which keep you in the loop if your plumbing fixtures spring a leak, can prevent a small spill from becoming a big problem.

One of the most common first sensors people buy for their home is a motion sensor. But in almost all cases, you want a presence sensor instead. The one I'd want is the FP300, which Aqara released ...

The vape sensors will be placed in bathrooms across 20 middle and high schools, and weapons detectors will be at entrances to high schools in Mesa.

AUSTIN, Texas, July 01, 2025--Eagle Eye Networks, the global leader in cloud video surveillance, today announced its Eagle Eye Indoor Air Quality Vape Sensor won the 2025 Secure Campus award in ...

Eagle Eye Networks today launched Eagle Eye Sensors to detect and automatically alert when vaping, air quality changes, temperature shifts, water presence, and other environmental events occur ...

The OT series sensor offers a large detection range of up to 2.5m and a minimum response time of 4ms, delivering reliable detection of light-absorbing and reflective surfaces, even when the process ...

CES 2025: Aqara’s Newest ‘Presence Sensor’ Keeps the Lights on Better Than a Motion Detector A presence sensor uses wave radar technology to sweep a room, looking for the slightest movement.