Large dual display for simultaneously reading of air velocity or airflow and air, Thomas Scientific 2023 All Rights Reserved. Not all combinations are valid. What sets the HHF-SD2 apart from other vane anemometers is that it incorporates a real-time SD card data logger. The Wind101A is also available as an entire system including the Pulse101A Data Logger, Weather Proof Enclosure, 3-Cup Anemometer, and IFC200 Software and Interface . speed, air pressure, air flow, differential pressure and ambient Amprobe TMA40-A Datalogging Anemometer - amazon.com The PCE-VA 20 is a versatile multifunction anemometer for determining Failed to Save Configurations, Click on Configure Button Start Again, Thank you for your inquiry about the anemometer. Yes, I would like to add a Calibration Certificate (Model CERTIANE2) for only $295.00 CAD. The pitot tube anemometer allows access through tiny openings to take measurements in small pipe systems and other confined spaces.-, - Measures air velocities up to 80 m/s / 262 ft/s, 2.24 178.66 MPH - Zero, minimum, maximum, average, record and hold functions- Stores to memory up to 99 measurement values per parameter, The PCE-HVAC 2 is a pitot tube anemometer that The wireless module used on wind speed sensors only requires very low power consumption. Of course, there is a number of influencing factors, such as the area of the premises, the outdoor temperature, the ambient temperature, the presence of the natural ventilation, like windows, but a lot still depends on how correctly the air masses move in the ventilation ducts. Regular Price. This unit uses a “recording session” model for data logging. anemometer PCE-WSAC 50W 230-ICA is useful for measuring the wind speed to An advantage of this type of anemometers is that they are resistant to contaminants which may occur in ducts and ventilation systems. Anything that outputs a .csv rather than some proprietary filetype is worth it as far as I am concerned. Depending on the model, the actual measurement takes place then via a Hall sensor which registers the individual revolutions, or via an optical sensor, which scans a reflex mark attached to the impeller. The The sensor has a wind cup on top to measure wind speed and a metal wind direction sensor on the bottom. - Measures air flow velocity, volume flow, relative humidity, air temperature, dew point temperature and wet-bulb temperature- Air flow velocity range: 0.2 30 m/s (39.4 5905.5 fpm)- Accuracy: (1.5% of measured value + 0.3 m/s) when less than 20 m/s, (3% of measured value + 0.3 m/s) when more than 20 m/s- Resolution: 0.1C / 0.18F- Includes 2 x capture hoods (1 x round 210 mm / 8.3 in , 1 x square 346 x 346 mm / 13.6 x 13.6 in). Wind rose should be taken into consideration before the agricultural object is finally selected, especially if it goes about long-term use. The Amprobe TMA40-A provides three measurements in one: Air Velocity or volume, Relative Humidity and Temperature. $682.25 CAD. - 0.9 to 35.0 m/s- 2.5 to 126.0 km/h- 1.4 to 68.0 knots- 1.6 to 78.2 miles/h, Price excl. It could use the tripod for long time recording works. What sets the HHF-SD2 apart from other vane anemometers is that it incorporates a real . Allows for quick and reliable sound level testing. It has minimum, maximum, average, and hold functions for recording data, and a USB port for exporting data. This anemometer station with outside sensor is a real all-rounder. Air Velocity : 1 to 100.0 m/s. I would suggest dataloggi g locally especially depending how high, far its going. This combination anemometer-hygrometer-thermometer features a 10 cm / 3.9" fan impeller, easy-to-read backlit LCD, and functions such as display hold, average value, maximum value, minimum value, battery-saving automatic power off, low-battery indicator, and metric or imperial unit selection. . Digital cup vane anemometer, wind direction will not influence the measurement. The sensor is water-proof and dust-tight. Options compatible with previous selections will be in bold. Please check the lead times below at overview information, Category: Data Logging. It may be an indication of a dust accumulation in the duct, which can be easily eliminated by regular cleaning. - Resolution: 10 Pa / 0.00145 psi / 0.0001 bar The - Temperature measurement, flow measurement winner10920 November 24, 2011, 3:33am #3. PCE Instruments (PCE) offers a variety of anemometer products to meet the air flow and wind speed measurement needs of professionals in industries such as HVAC, construction, marine and wind power and energy, including hot-wire anemometers, thermo anemometers, pitot tube anemometers, cup anemometers, rotating vane anemometers and impeller anemometers with capture hoods. -Wind speeds in ducts at vent outlet Vane anemometer Amprobe products range from an extensive line of clamp meters and digital multimeters to industry-specific tools for residential/commercial electricians, HVAC/R technicians, utilities and industrial maintenance professionals. We are quite happy with the Scarlet WL-21 wireless wind speed meter. The TMA40-A has a flexible cord to position vane where you need to measure. Edit these specs to order a different model. If you use any other type of anemometer, that is ok too. Cleaning and sterilizing equipment and work space. On many of the anemometers, the directional arrows are printed. A disadvantage is that a certain wind speed is required till a measurement is carried out. A Self-Contained Data Logging Anemometer - Instructables Readings can be taken in As many other economical branches, agriculture is a complex mechanism, successful development and functioning of which is determined by a wide range of natural influencing factors. Monitoring of the ambient conditions with the help of the modern anemometers provides the farmer with the information continuously and thus allows for timely adjustment and preparation, which in its turn, helps to do the best possible for the plants and harvest. Measures: Temperature, Dew Point, Relative Humidity, Wet Bulb, Air Velocity, Air Volume, Capacity Lightweight, Easy to Maneuver Measurement Vane Single Point Average C/F Selectable Auto Power Off After 10 Minutes of Inactivity Jumbo Display Ball Bearing Fan. The probe is specifically calibrated for each individual probe. Quantity. What is an anemometer? ISO Calibration Certificate, Anemometer PCE-WSAC 50W 230-ICA incl ISO calibration certificate. 1996-2023, Amazon.com, Inc. or its affiliates. This combined hygrometer-anemometer-thermometer possesses a 10 cm / 3.9" diameter fan impeller and a bright backlit LCD. Anemometer with impellers typically have to be held exactly in the direction of the air flow to take accurate measurements. ISO Cal Certificate PCE-007-ICA, Pitot Tube Anemometer PCE-HVAC 2-ICA incl. inserted in very small gaps.-, - Measures air velocities up to 80 m/s / 262 ft/s, 2.24 178.66 MPH - Zero, minimum, maximum, average, record and hold functions- Stores to memory up to 99 measurement values per parameter Sper Scientifics Bluetooth Anemometer Meter is small, light, and simple to use. The PCE-VA 20-SET is a multi-functional anemometer including flow hoods for assessing and balancing heating, ventilation and air conditioning or cooling (HVAC) installations. For accurate CFM results, the user simply inputs the area of the air source. A significant difference compared to the hot wire anemometers is that here the moving parts are needed to measure the wind. The transmission power consumes 20-30 uA in normal condition and 35 mA peak current in every 2 seconds. Mobile Crane Safety & Wireless Wind Sensors | Wireless Wind Monthly Logging. In the case of an anemometer with a thermal operating principle, please, make sure, that the air you want to measure does not contain any dust particles, because the thin flag can be easily destroyed by tiny impacting particles. ATMOS 22 Sonic Anemometer | ICT International This applies also to the devices with impeller. The choice of the correct model depends also on what type of measurement is required: for heating system, for ventilation of for the air-conditioning, also on the power of the system and the speeds which are expected. DIN EN 12599 refers to the test procedures before the ventilation system is handed over. Intelligent Anemometer Detection System To make sure you know your wind site assessment system is working before leaving site, we have built it with an intelligent anemometer detection system. Has worked as advertised for us. We have listened to their feedback and have made several improvements: Simpler than ever installation, just plug the. JavaScript seems to be disabled in your browser. Q1:Why does WL-21 have such a long battery life? NDBC - Station 42002 Recent Data Anemometers of this type are used when the wind or a flow should be measured regardless of the direction. Terms & Conditions, By submitting your email address, you are agreeing to our, Anemometer, CFM / cmm w / Built-In Ir Therm F, Traceable Hot Wire Anemometer / Thermometer, Mini Thermo-Anemometer with Built-in Compass, Traceable Digital Anemometer / Thermometer, Model 840003 Digital Anemometer / Thermometer, CMM/CFM Anemometer/Psychrometer Datalogger, Traceable Micro Anemometer / Thermometer, Large Vane CFM/CMM Anemometer/Psychrometer, Anemometer, Hot Wire Heavy Duty w / Holster, Digi-Sense Professional CFM/CMM Vane Thermoanemometer. Air Velocity Range Up to 10,000 FPM (50.8 m/sec) 15 FPM Full Scale Accuracy Hot Wire Air Velocity Sensor Design Two Sensor Probe Configurations: Fixed Mount and Remote Probe 250 msec Response Time Adjustable High Alarm Set Point One Handheld Air Flow/Humidity/Dew Point/Wet Bulb Meter. International orders are not subject to VAT. Harvey exploded rapidly from a tropical depression to a major hurricane in around 40 hours. /* Hide the banner for the Canada site if Alert is only on US site */ /* Apply look/feel changes to Alert messaging */ .alert-banner a{color: #fff;}.alert-banner a:hover{text-decoration: underline;}.alert-banner span{color: #fff; font-weight: bold;}/* Added Responsive styles for Alert Header */ @media screen and (max-width: 1024px){}/*add bottom border to l2 and l3 in mobile nav*/ @media screen and (max-width: 1174px){.main-menu .sub-level li.no-submenu .cat-level-two a, .main-menu .sub-level-two li .cat-level-three a{border-bottom: solid 1px #ddd; white-space: pre-wrap;}.main-menu .sub-level-two li .cat-level-three a{padding: 10px 20px;}}. Application of the anemometer may also take place on the stage of choosing, for example, the field or place for the future agricultural object, since it helps to get an overview of the typical weather conditions in the area and evaluate the perspective for the future. Air analysis and in particular, monitoring of the condition of the HVAC systems is a complex task, which requires professional approach, when many parameters of air should be accurately measured. CFM Anemometer Data Logger, Sper Scientific | VWR for evaluation. For the measurements of hot air flows, vane should be thermoresistant. For UK orders VAT is calculated at checkout. Full content visible, double tap to read brief content. High flow velocity in a duct Pitot tube anemometer PCE-VA 20-SET is a multifunction anemometer with capture hoods for assessing and balancing heating, ventilation and air conditioning or cooling (HVAC) systems. View Specs. Error posting question. One of the four cups is colored red so you can easily count the number of rotations. HHF144-Series Precision Handheld Rotating Metal Vane Hygro-Thermo Aneometer. This provides from one side, the possibility to maintain the most comfortable microclimate, and from the other, sufficient health care for those people who spend a lot of time in the room or building where the HVAC system is under control. Users are able to set wind speed threshold and receive instant alarm notification when wind speed exceeds the set threshold. What sets the HHF2005 apart from Accuracy: 2 % Full Scale Long Range Anemometers & Data Logging Systems; WINDY WR3-B Wind Chill Anemometer; Navis . The response time is instantaneous when measuring air flow and to data log, it is user define to record in various times: You must have JavaScript enabled in your browser to utilize the functionality of this website. Thanks for your question. Hot Wire Anemometer with Real Time Data Logger | Omega TMA40-A ships with USB interface cable, Software CD, hard carrying case and user manual. If the design and the measuring principle corresponding to the measurement task of the anemometer have been selected, the device with the correct display has to be found. IP67 certified watertight construction provides full protection against water and dust. Anti-corrosion stainless steel. Please try again. ANSI Color Coded Resistant to Moisture, Abrasion, Chemicals, and UV Light Optional Stainless Steel and Tinned Copper Wire Overbraiding UL Listed Type PLTC, 300 V; Listed Under UL Subject 13, File E153789 Extruded PVC Single Conductor and Duplex Insulation ANSI Handheld Air Flow/Humidity/Dew Point/Wet Bulb Meter. They are also important for the workings of the physicists during their study of the way of movement of air. This dynamic sensor responds specifically to the component of air flow that is parallel to the axis of its rotation. For meteorological measurements, please see PCE's weather station products. Application of such auxiliary tools as anemometer helps the professional farmers and gardeners to better evaluate the environmental situation and take the corresponding measures in order, for example, to protect the plants, to get prepared for the changes, to carry out the required procedures, for example, fertilizing or spraying, in the most efficient way. Includes built-in low friction ball bearing mini vane wheel, a precision photo diode with cosine and, Measures Air Velocity, Air Flow and Temperature 4" (10cm) vane allows for more precise readings on larger size ducts Air Velocity, Air Flow and Temperature Built-in thermistor for air temperature Multipoint and timed average calculations Min/Max, Data Hold, and Auto power, Lightweight and compact Wide measurement ranges Easy to operate Enviro Meter is four tools in one small and easy transportable hand-held unit. General Tools Data Logging Hot Wire Anemometer w/ Infrared Thermometer . WL-21 measures both wind speed and direction. The new WindLogger has been re-designed with major enhancements, thanks to the small wind enthusiastic community. Please fill out the form below. Meter, Wind Probe, Thermo Paper, Batteries, Add : No. -Low wind speeds in ducts with little access Hot wire anemometer If you use any other type of anemometer, that is ok too. Harmonic disturbances are possible in theory, but so far we did not receive complaints about this. Please try again. Wind Speed & Anemometer Data Logger WL-21 | Scarlet Tech Data Logging Hot Wire Anemometer w/CF/COMMAND 8:1 IR Thermometer CIH20DL . Or cut off the flow cross-section (for devices with mean value formation) in the form of an ellipse to obtain the optimal results. Without a doubt, the main advantage of this handheld cup vane anemometer is that it doesn't need to be held exactly in the direction of the wind. The vane anemometer, or the addition of a vane probe to an anemometer, enables measurement of volume flow and flow rate. PCE Instruments is also happy to develop individual measurement solutions for wind monitoring for special applications. In addition, there are anemometers, which can be used as a multifunction device. Includes all sensor values, plus battery status, - Simple analysis tools included. This multi-faceted anemometer-thermometer-hygrometer incorporates a 10 cm / 3.9" diam. Please select a different combination. Track and record air velocity measurements with built-in USB interface and software Operate as a handheld instrument or mount for flexible positioning. The vanes may be performed in different sizes and thus, be applied in very heavy-to-reach places. measures air velocities up to 80 m/s. Sorry, we were unable to perform your search at this time. Unfortunately, the probes cannot be interchanged with each other. Application of these measuring tools provides confidence that the ventilation system under test is capable to be in operation and provide the best and most comfortable ambient conditions. Manufacturer and third party (issued by SGS) Lab certificates can be ordered on demand. All mobile cranes should be fitted with anemometers or other wind speed monitoring devices. Our commitment to high-quality products and customer service is demonstrated by our industry exclusive 'No Hassle' warranty. Maps show the average (mean) wind speed as well as two components of wind direction: U-wind represents the east-west . the sensor + display, there are also just sensors available in the range of the PCE Instruments products. These devices are very accurate, extremely robust and cover a wide speed range. Long range, 1,300 m/4,265 f (W410XB/BAT/WS/FCC) Alarm and pre-alarm warning lights. There are 0 customer reviews and 1 customer rating. In addition, Amprobe products that measure electricity are listed by a 3rd party safety lab, either UL or CSA. All the test instruments come manufacturer calibrated. With three ways to view your measurement results. Thank you for inquiry about the hot wire anemometer and would advise if you can compose an email and send it to flow@omega.com and can provide the information. It has minimum, maximum, average, and hold functions for recording data, and a USB port for exporting data. Suitable for film production, wind monitoring, crane safety, marine, lift and construction safety. There was a problem adding this item to Cart. Siemens Healthineers Travel X-ray Technologist in - Snagajob Here, as well as for many other measuring instruments from the assortment, there are many different models. Ultra-long wireless range. -Wind testing in sailing Vane or cup anemometer. You will need to use Signal Conditioning Modules (SCM #3151) when . Anemometers | Handheld Meters | Test Inspection | Omega The air flow rate in buildings is often measured in cubic feet per minute (CFM) using anemometers to assess the performance of heating, ventilation and air conditioning (HVAC) systems and equipment. By measuring the electrical variables of current and voltage, the resistance at a corresponding flow velocity can be calculated. You can connect it directly to its internal sensor input connection block. The more annoying it is when the uncontrollable weather condition cause damages for no reason. These anemometers can, for example, additionally determine temperatures or flows in watercourses. Availability. * Measuring / programming wind speed anywhere, anytime Thermal anemometers are often used to measure the draft flow or to measure flow velocities in ducts. This anemometer is very economical. Read air velocity or airflow, and, The SL510 is Extechs ultra-compact sound meter which meets class 2 standards with 1dB high accuracy. USB cable (SW-U101-WIN software required). Its large dual, This unique instrument combines the features of an anemometer and a psychrometer. cranes for safety purposes. This instrument helps you meet cooling and environmental requirements for safety and comfort. device has a 10 cm / 3.9" fan impeller and a clear backlit LCD. The Amprobe TMA40-A anemometer has conventional angled-arm vane with a low-friction ball bearing to measure air velocity, air flow, and air temperature, and is used by HVAC/R technicians to measure wind flow and temperature in air conditioning systems. The large display provides an accurate overview of the measured values. So, for an easily loaded media, use better an impeller anemometer or starting from a minimum flow velocity of 5 m / s an anemometer with Pitot tube. Visual evaluation may be enough for a small garden, but when it goes about big farms, huge fields, significant amounts of crops, application of the professional anemometer is highly recommended. We have sold thousands of these littlewind data loggers all over the world and they have an excellent reputation for their stability, accuracy and endurance. Should you have any further questions regarding anemometers from PCE Instruments, you can always call the technical consulting hotline of PCE Instruments: UK: 02380 - 987 030 or US: (561) 320-9162. The methods applied as well as the measuring instruments used for the testing purpose must all meet the requirements and be approved. In spite of application of new modern technologies and machines, agriculture still is often dependent on the behavior of nature. Wind Speed Data Logger, Part of the NOMAD Family | Omega You can connect it directly to its internal sensor input connection block. Since the sensor is the most important and most expensive part of the device, the entire anemometer is unserviceable then. Wireless Wind Speed Sensors & Wind Gauges | Wireless Wind Benefits Reads air velocity and temperature Thermocouple probe can be added to transform anemometer to a K/J type thermocouple -not included. Accurate Wind Speed, Temperature, Air Pressure Measurements, 2s, 5s, 10s, 1min, 5 mins, 10 mins, 60 mins. This multi-functional portable handheld vane anemometer offers a quick response time, allowing for real-time measurement. The vane itself is reliably protected and thus, damage risk during operation is low. Digi-Sense's handheld or mounted Data Logging Anemometer takes and records accurate air velocity measurements in seven user-selectable units. These anemometers are often used for stationary wind measurements. * User friendly interface for every customer Data Logging Anemometer with NIST - Dakota Instruments - Temperature measuring range: -20 70C / -4 158F In accordance with the application, we would like to recommend the following anemometer types. The unit will need to come back for evaluation. The transmission distance can reach as far as 500 meter in open space. If you continue browsing, you agree to our Privacy and Cookie Policy. Handheld or mount for flexible positioning, Measure air velocities up to 3937 ft/min (20.0 m/s), User-selectable measurement units: ft/min, m/s, mph, km/h, or knots, Manual and automatic start data logging function modes, Adjustable sampling intervals from once every two seconds to once every 24 hours, Visual LED alerts with selectable high and low alarm levels. There was a problem completing your request. Scarlet WL-21 system measures and displays current/average/maximum wind speed, wind direction, temperature, wind chill, Beaufort scale, atmospheric pressure, and historic data graphic in high accuracy with multiple measurement units. Description: The HHF2005 anemometer with real time data logger has multiple features and an RS232 computer interface that make it suitable to use in a variety of HVAC applications, such as environmental testing, flow hoods and wind speed measurements. This handheld device reads air velocity and temperature, and also functions as a type K or J thermometer that records data onto removable SD Cards. Products with electrical plugs are designed for use in the US. * Feature building in humidity sensor in remote vane Anemometer, humidity meter, light meter and two thermometers all feature exceptional accuracy and reliability. Takes and records precise air velocity measurements in seven user-selectable units. The HHF-SD2 combination vane and standard thermistor anemometer with SD card data logger has multiple features that make it suitable many applications. The ATMOS 22 is a rugged, research-grade two-dimensional sonic anemometer built specifically for agricultural, forestry, and environmental research applications. The weather data of the anemometer station with outside sensor for different parameters are sent up to 100 meters by radio signal to the main station. The removable SD card, Telescoping probe is ideal for measuring in HVAC ducts and other small vents; extends up to 7ft (2.1m) maximum length with cable Super large 1.4" (36mm) dual LCD display MAX/MIN, Data Hold Optional Data Acquisition software (407001) and Datalogger (380340); Complete with telescoping, Measures air velocity, two temperatures and volume flow Measures air velocity in ventilation ducts Measures air quantities at duct exits Checks extraction systems and hoods With a length of 12, this anemometer is suitable for larger duct diameters. Please activate JavaScript for your browser to get all features of this web site! Depending on the peculiarities of application (high/ mid/very low flow velocity) or location (inside pipes and ducts or outside wind), different types of anemometers may be preferable. This anemometer is not CTA, as it can do temperature compensation. Make your own Windmeter to measure and record wind speed distribution. Self powered. into the internal 6P4C connector. The new LeWL WindLogger has been manufactured since 2008. Records data to standard SD memory cards (like a digital camera). Besides that, modern devices have integrated functions of measuring further important parameters, like air temperature, air humidity or volumetric characteristics of the air masses. narrow pipes and other restricted spaces because the pitot tube can be TriSonica Sphere Instruction Manual (legacy edition) (TriSonica-Sphere-Manual-2022-03-03.pdf) PDF Instruction Manual for the original TriSonica Sphere Wind Flux Sensor. In addition to the flow rate, the hot wire anemometer can measure the volume flow and the ambient temperature. (10 seconds available for testing purposes), - Time-stamped data recorded to microSD card in standard CSV format for import into Excel or wind analysis software. Amprobe not only invented the first clamp meter and the first wire tracer, but has also been consistently first to market with innovative solutions to better meet the needs of our professional customers. Owned and maintained by National Data Buoy Center 3-meter foam buoy SCOOP payload 26.055 N 93.646 W (263'18" N 9338'46" W) Site elevation: sea level Air temp height: 3.7 m above site elevation Anemometer height: 4.1 m above site elevation Barometer elevation: 2.7 m above mean sea level Sea temp depth: 1.5 m below water line Water depth: 3088 m Watch circle radius: 3011 yards ISO Calibration Certificate, Multifunction Anemometer with Flow Hoods PCE-VA 20-SET, Multifunction Anemometer with Flow Hoods PCE-VA 20-SET-ICA incl. 3-2, Jianguo Rd., Tanzi District, Taichung City 427, Taiwan R.O.C. - 0.9 to 35.0 m/s - 2.5 to 126.0 km/h - 1.4 to 68.0 knots - 1.6 to 78.2 miles/h - incl. - Colour display. Built-in battery monitor. Hotwire Anemometer Datalogger with SD card | Hach When using the anemometer, please, always pay attention that you hold the probe of the measuring device (the propeller, the thermal flag or the Pitot tube) centrally in the middle of the flow and absolutely in the flow direction. Captures winds from all directions. The measurement with a thermal anemometer is often a measurement for directed flows. Digital cup vane anemometer, wind direction will not influence the measurement. This will let you know if the logger is reading any wind speeds in real time.. Advanced capabilities Another type of the moving anemometers is the cup anemometer. 7F-6, No. Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.Learn more how customers reviews work on Amazon. Image for illustrative purposes only, actual product may vary. Also, depending on the sampling time and how long you intend to record for, you may want to get a 9-VDC adapter to power the unit PART # ADAPTER-SD. This site offers maps showing average monthly wind speed and direction for the contiguous United States from 1979 to the present. look into may e an sd shield. value, auto shutdown, low-battery warning, and metric / imperial choice. For example, there are models which merely display the flow velocity and give the user the information about the measured value. It is possible to measure air Features Technical Specs User Manual & Documentation /* Hide the banner for the Canada site if Alert is only on US site */ /* Apply look/feel changes to Alert messaging */ .alert-banner a{color: #fff;}.alert-banner a:hover{text-decoration: underline;}.alert-banner span{color: #fff; font-weight: bold;}/* Added Responsive styles for Alert Header */ @media screen and (max-width: 1024px){}/*add bottom border to l2 and l3 in mobile nav*/ @media screen and (max-width: 1174px){.main-menu .sub-level li.no-submenu .cat-level-two a, .main-menu .sub-level-two li .cat-level-three a{border-bottom: solid 1px #ddd; white-space: pre-wrap;}.main-menu .sub-level-two li .cat-level-three a{padding: 10px 20px;}}. Depending on the design of the anemometer, the measurement can be carried out, for example, thermally (thermo-anemometer), by wind cooling of a hot wire or mechanically (impeller anemometer) or via the pressure (Pitot tube anemometer).