Dwyer Instruments offers a multitude of sensors for monitoring air velocity in HVAC systems. Some of this instrumentation has a simple construction (Pitot tubes, for example) while others are more complex, such as hot-wire anemometers. The initial term and first “hot-wire anemometer” was developed back in 1914 by Louie Vesso King. He is also accredited...
Explore now
From dairy to petrochemicals, several applications require monitoring or control of liquids in tanks. Wastewater facilities are among the many industries requiring meticulous observation. The technology used for this measurement is dependent upon the type of tank and its contents. Capacitive level switches, for example, detect level and send a switch signal output when the...
Explore now 
Have you ever wondered why there are a multitude of sensor output signals that can be configured on pressure, temperature, humidity, or gas sensing instrumentation used in process or HVAC applications? Most of these offerings were originally set up to allow sensor manufacturers to better align with the inputs offered by manufacturers of programmable logic...
Explore now Almost all positive (“+”) natural ions during fair weather come from radioactivity. About 40% of these natural air ions come from radioactive minerals in the ground. Each time a radioactive atom decays near the air, it typically ejects an energetic alpha particle, produces 50,000 – 500,000 air ion pairs as it travels a few cm...
Explore now 
The crisp touch of a page, the smoothness of a glossy photograph. Despite using paper for so much throughout our lives, many do not know much about how paper is created besides the vague notion that it comes from trees. In fact, there are several steps for paper to transition from the forest into your...
Explore now 
