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Air Flow Meters Here you will find air flow meters to measure air velocity and air pressure. Depending on the type of application, air flow meters a re made as hot-wire air flow meters or pocket weather flow meters, both of which can measure air velocity and air pressure. The results of measuring the air velocity can be stored in memory of the device depending on the model. There are a total of 25 air flow meters available. They are ideal for taking quick or constant measurements. You will find a suitable device for whatever application you desire from monitoring ventilation installations to checking wind speed for nautical enthusiasts. Accessories are also available along with ISO calibration certificates for these instruments (information: calibration of air flow meters). Here you will find a table with wind velocities and an approximate classification. If you can't find the air flow meters you are looking for, please contact us and we will help you find the best solution to suit your needs by calling our offices on: +44 (0)2380 987030 and our technical staff will advise you regarding our products. The following links provide technical specifications for our Air Flow Meters:
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- PCE-A420 series Air Flow Meters (cup air flow meters to measure wind speed)
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- PCE-AM81 series pocket Air Flow Meters (air flow meters to measure air velocity as a hobby or for work)
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- PCE-TA 30 series Air Flow Meters (air flow meters to measure flow velocity, temperature and air volume)
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- LCA-301 series Air Flow Meters (air flow meters with of winged wheel to determine the speed and the volumetric flow of the air)
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- PCE-007 series Air Flow Meters (air flow meters with side wheel, memory, RS-232, software)
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- TA-410 series Air Flow Meters (air flow meters with straight / flexible probe, thermal measurement principle)
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- PVM-620 series Air Flow Meters (air flow meters with Pitot tube, for high circulation speed)
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- PCE-008 series Air Flow Meters  (air flow meters with side wheel, internal memory, RS-232, software, etc)
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- PCE-423 series Air Flow Meters (air flow meters with telescopic probe to air velocity and temperature, USB and software)
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- PCE-424 series Air Flow Meters (air flow meters with telescopic probe for low velocities)
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- PCE-009 series Air Flow Meters  (air flow meters with telescopic probe, internal memory, RS-232, software, etc)
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- PCE-VS series Air Flow Meters (air flow meters to measure flow both in pipelines and ventilation ducts for air or water)
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- X8 and X16 series Air Flow Meters (air flow meters to determine flow velocity and volume)
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- PCE-VR series Air Flow Meters (air flow meters to measure air flow in m³/h in pipelines and ventilation ducts, max.10.000 m³/h)
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- PCE- FWS 20 series Air Flow Meters  (air flow meters to measure temperature, humidity, pluviometry, wind speed, logger)
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- WatchDog Air Flow Meters (cup vane air flow meters to measure temperature, humidity, pluviometry, wind speed, logger)
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The following links provide technical specifications about our Flow Meters for liquids:
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- P-770-M series Flow Meters for liquids (flow meters to measure the speed and temperature of air and water, max. 40 m/s, USB)
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- PCE-VS series Flow Meters for liquids (flow meters to measure flow both in pipelines and ventilation ducts for air or water)
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- PCE-TDS 100H series Flow Meters for liquids (flow meters according determines flow velocity for homogeneous liquids)
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- PCE-VUS series Flow Meters for liquids (ultrasonics flow meters to measure different liquids velocity, 1,5 ... 30 l/min, Max. 33 l/min)
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- PCE-VMI series Flow Meters for liquids (flow meters to measure electrical conductivity liquids 50 µs/cm)
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- Flow meters for stationary use (flow sensors for the connection to evaluation units, standard output signal)
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Some air flow meters, for example, the PCE-007 have internal memory and can transfer the data to a computer for further evaluation by way of an RS-232 cable and software
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PCE-007 series air flow meters with port and cable
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Cup vane air flow meters PCE-A 420 measure wind speed
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PCE-007 series air flow meters include software (with data logger)
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ISO calibration certificate for air flow meters
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(Conversion information for units used by air flow meters).
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 Measurement of air velocity shown on a large LCD of an instrument
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 Testing the air velocity of an extractor in a paint room.
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General information with a link for each example of typical flow meter units of measurement: Air flow meters serve to measure wind velocity. The standard of measurement for wind velocity is at an altitude of 10m, as ground level wind velocity varies considerably for each different location. The measurement is taken according to the type of flow meter, for example, thermal measurement (hot wire air flow meters), measurement by cooling a hot wire, mechanical measurement (side wheel air flow meters) or by pressure (Pitot tube air flow meters). The final method is by ultrasound. This class of flow meter is currently too expensive in relation to it being cost effective for taking standard measurements. Many flow meters show the reading directly on their display. In this way, complicated conversion calculations are integrated to allow for a margin of error to be determined for air current velocity or for continuous air flow. Please keep in mind that when using an anemometer, the sensor (the side wheel, the hot wire probe, or the Pitot tube) is aimed towards the air current and above all that it is maintained in the direction of the flow of air. Ensure that the area is clear around the sensor to allow for the most accurate readings. Many flow meters have direction arrows. Read the user's manual to ensure that the flow meter is being used correctly, if it is not used properly, there is a risk of damaging the sensor wheel if it is not facing the airflow correctly as the impeller functions in only one direction. When using the hot wire anemometer, you must ensure that the air flow does not contain dust as the particles will impact with the sensor which is very sensitive. As the sensor is the most important part of the flow meter, if it is damaged, the device will be useless. For this reason, use the flow meter with impeller in light environmental conditions up to an air velocity of 5m/s. For greater velocities, it is recommended that you use the Pitot tube flow meter as they are very accurate, durable and have a very high measurement range.
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If you wish to view or print the selection of air flow meters in our catalogue, click the PDF symbol 
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