It gives a volumetric flow rate value of air moving in and out of a particular space. This is an important aspect in deciding size and ventilation of such equipment. This is a unit commonly used for airflow based machines such as HVAC systems, compressors, and so on. How does an anemometer measure CFM?ĬFM stands for Cubic Feet Per Minute. This depends on the area or part under consideration and also the height above sea level. The measurement units for anemometers are feet per minute (ft./min), meters per second (m/s), kilometers per hour (km/hour), miles per hour (mph), nautical miles per hour (knots), and Beauforts. The value obtained is saved into the device memory and later used for research and analysis. This is called as constant temperature anemometer, wherein the cooling effect of the current is balanced by the current flowing through the metallic wire.
When the air flows over this device, it has a cooling effect. It works on how the electrical resistance of a metal wire impact the air flow and velocity. Thermal anemometers mostly function automatically and digitally.
What are the Typical Anemometer Applications? The meter then calculates the CFM or CMM automatically.īuilt-in non-contact IR Thermometer, Used in HVAC applications measuring airflow from heating vents. The area value (in ft2 or m2) is entered by the user by push button or keypad into the meter and an air velocity measurement is taken. In order to accomplish this, the area of the duct must be measured. This is a measurement of the quantity of moving air through an air duct, passageway, or enclosure. What is CFM / CMM?Ĭubic Feet per Minute (CFM) or Cubic Meters per Minute (CMM) are units of measure for Air Volume measurements. The vane freely rotates in response to air flow and as the air moves through the vane the blades turn in proportion to the speed of the air. How does an Anemometer measure moving air?Īnemometers measure moving air with a rotary sensor which acts very much like a weathervane and can be likened to the blades of a fan. What are the alternate Terms for Anemometers? They have advanced features and functionalities such as an LCD display, data logging ability, and so on. Thermal anemometers have a wire element heated to some specific temperature. Outdoor, they are used in various segments such as atmospheric wind measurement, weather stations, and so on. In indoor areas, it is used in HVAC systems, exhaust systems, duct airflow, and so on. They are compact and handy devices and some models are called pocket anemometer. We offer these anemometers with digital measurement feature. They measure the speed (velocity) of moving air. The measurement units for Anemometers include: Feet per minute (ft/min), meters per second (m/s), kilometers per hour (km/hr), miles per hour (mph), nautical miles per hour (knots), and Beauforts.Īnemometers are used to measure various parameters related to wind pressure, temperature, wind chill, and so on. Thermo-Anemometers also measure temperature by way of a thermometer located in the Anemometer sensor. If you want to access wholesale anemometer for sale without any hassle and import your merchandise into your online store with just a few clicks of the mouse, you've come to the right place.Know More About Triplett Anemometers What is Anemometers?Īnemometers measure the speed (velocity) of moving air.
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