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The temperature was already above 80 degrees and rising. The work of maintaining the public water supply in a heat wave is crucial. But it needs to be done as safely as possible. That means ...
A passive infrared sensor ( PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors. PIR sensors are commonly used in security alarms and automatic lighting applications. PIR sensors detect general movement, but do not give ...
An occupancy sensor is an indoor device used to detect the presence of a person. Applications include automatic adjustment of lights or temperature or ventilation systems in response to the quantity of people present. The sensors typically use infrared, ultrasonic, microwave, or other technology. The term encompasses devices as different as PIR ...
Extreme heat (and extreme cold) can significantly alter the effectiveness of prescription and over-the-counter drugs. Some medications can tolerate temperatures up to 86 degrees Fahrenheit (30 ...
Rep. Ruben Gallego (D-Ariz.), the Democratic nominee for Senate in the Grand Canyon State, excoriated the Biden administration Thursday for what he called insufficient federal support on extreme heat.
A heat detector is a fire alarm device designed to respond when the convected thermal energy of a fire increases the temperature of a heat sensitive element. The thermal mass and conductivity of the element regulate the rate flow of heat into the element. All heat detectors have this thermal lag. Heat detectors have two main classifications of ...
First, they recommend encouraging your dog to rest – dogs need 18-20 hours of sleep a day as a general rule, but they’ll probably need more after a stressful event. “Facilitate high quality ...
A motion detector is an electrical device that utilizes a sensor to detect nearby motion. Such a device is often integrated as a component of a system that automatically performs a task or alerts a user of motion in an area. They form a vital component of security, automated lighting control, home control, energy efficiency, and other useful ...