Awhile back I published a simple design idea for a thermal airspeed sensor based on a self-heated Darlington transistor pair. The resulting sensor is simple, sensitive, and solid-state, but suffers ...
To measure wind speed and direction, most people turn the traditional cup anemometer and wind vane. Another less-known method is to use an array of ultrasonic transducers, which doesn’t need any ...
A recent Design Idea presents a circuit to measure an airflow rate up to 2000 fpm using two transistors in a Darlington configuration. One transistor works as a self-heated thermal sensor and the ...
COMSTOCK PARK, Mich. — Meteorologists all over the world use a wide variety of instruments to measure things like temperature, air pressure, humidity and a host of other variables. In Tuesday's ...
When you think anemometer, you probably don’t think “load cell” — but (statistically speaking) you probably don’t live in Hurricane Country, which is hard on wind-speed-measuring-whirligigs. When ...
The Traceable® hot wire anemometer-thermometer has two miniature glass-bead thermistors that provide greater precision at low air velocities. The telescope probe expands from 9-1/2 inches to 3 feet ...
A.W. Sperry'sModel SA-7meets CE Requirements and is easy to operate with dual display. It has RS-232 complete interface capabilities with temperature measurement in degrees Celsius or degrees ...
Above: The Mount Washington Observatory on an icy winter day. It was here that a wind gust of 231 mph was measured on April 12, 1934. It remained the highest-ever anemometer-measured wind gust on ...
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