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Supplier: Traceable® Products
Description: Hot Wire Anemometer with two miniature glass-bead thermistors provides greater precision at low air velocities. Telescope probe expands from 9-1/2 inches to 3 feet for use in hard-to-reach places. No moving-parts unit eliminates friction errors caused by rotating vanes. It's
- Air Velocity Range: 40 to 3,940 SFPM
- Accuracy: 1 ±% Full Scale
- Operating Temperature: 32 to 122 F
- Measurement Type: Air Velocity
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Supplier: OMEGA Engineering, Inc.
Description: The HHF2005HW hot wire anemometer with real time data logger has multiple features and an RS232 computer interface that make it suitable to use in such applications as environmental testing, balancing of fans/motors/ blowers, air conveyors, clean rooms and flow hoods. What sets
- Air Velocity Range: 0 to 3,937.00787401574 SFPM
- Air Volume Flow Rate Range: 0 to 1,271,200 SCFM
- Accuracy: 1 to 5 ±% Full Scale
- Operating Temperature: 32 to 122 F
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Supplier: OMEGA Engineering, Inc.
Description: apart from other hot wire anemometers is that it incorporates a real-time SD card data logger. The HHF-SD1 measures velocity, and air temperature, and has an input socket that accepts a Type J or K thermocouple that can be used as a highly accurate thermometer. The integrated
- Air Velocity Range: 39.3700787401574 to 4,921.25984251967 SFPM
- Accuracy: 1 to 5 ±% Full Scale
- Operating Temperature: 32 to 122 F
- Measurement Type: Air Velocity
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Supplier: InspectorTools
Description: Heavy Duty CFM Hot Wire Thermo-Anemometer Features Air velocity measurements as low as 40ft/min Telescoping probe is ideal for use in ducts andventilating systems; extends up to 3ft (940mm) long Measures air volume in CFM (ft3/min) and CMM(m3/min) plus Temperature simultaneously
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Supplier: InspectorTools
Description: Telescoping probe is designed to fit into small openings and measure airflow down to 40ft/min Telescoping probe is ideal for measuring in HVAC ducts and other small vents; extends up to 4ft (1.22m) long Super large 1.4" (36mm) dual LCD display Min/Max,
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Supplier: REED-Direct
Description: Measure velocities as low as 40 fpm Measuring Units: m/s, kph, fpm, mph, knots Data hold, Record (Max/Min) RS232 serial interface Includes telescopic probe w/ 1m cable, 6 x "AAA" batteries and hard carrying case SPECIFICATIONS: Air Velocity Range/Resolution: 0.2 to 20.0 m/s/0.1 m/s; 0.7 to 72.0
- Air Velocity Range: 39.3700787401574 to 3,937.00787401574 SFPM
- Accuracy: 5 ±% Full Scale
- Measurement Type: Air Velocity
- Mounting: Hand-held or Portable
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Supplier: Transcat, Inc.
Description: Product Highlights Air Velocity/Air Flow meter with telescoping probe designed to fit into HVAC ducts and other small openings Telescoping probe extends up to 7.05ft (215cm) maximum length with cable Adjustable data sampling rate Stores 99 readings manually and 20M readings via 2G SD card Type K/J
- Data Acquisition: Datalogger / Recorder
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Supplier: OMEGA Engineering, Inc.
Description: The TVS-1004 and TVS-1008 automatic temperature and velocity scanners are portable, 4- and 8-channel hot wire anemometer systems. The TVS-1100 series are factory expandable for up to 32 total sensors. Fully automated, these research-quality instruments take accurate single- or
- Air Velocity Range: 78.7401574803148 to 9,842.51968503935 SFPM
- Accuracy: 2 ±% Full Scale
- Operating Temperature: -22 to 302 F
- Measurement Type: Air Velocity
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Supplier: E+E Elektronik
Description: than conventional hot-wire elements. This is reflected in the excellent reproducibility and proven long-term stability of the measuring results. The factory calibration with a special wind tunnel for lowest velocity ensures optimal precision and maximum sensitivity. The EE576 can be
- Air Velocity Range: 0 to 393.700787401574 SFPM
- Accuracy: 2 to 4 ±% Full Scale
- Operating Temperature: -4 to 140 F
- Measurement Type: Air Velocity
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Supplier: OMEGA Engineering, Inc.
Description: 4 Selectable Air Speeds: 2.5 m/s (492 fpm) 5.0 m/s (984 fpm) 10 m/s (1969 fpm) 15 m/s (2953 fpm) Accuracy of 1% of Setting or 0.1 m/s, Whichever is Larger Remote Option for Variable Air Speed Accommodates Either Hot-Wire or Vane-Type Anemometers NIST Calibration Certificate
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Measuring Air Flow
Building Automation Systems are often required to measure the actual air flow in air handling systems. Although there are many ways to measure air flow, the two most commonly used with BAS systems are the hot wire anemometer and various devices which measure the velocity pressure of the air. Once
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Advances in Thermal Dispersion: Mass Flow Meter Accuracy (.pdf)
Thermal flow measuring technology has come a long way since the introduction of thermocouple technology and early hot wire anemometers. Thermal technologies depend on heat transfer and traditionally operate on differential temperature measurements between two temperature sensitive materials
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Advances in Thermal Dispersion Mass Flow Meter Accuracy (.pdf)
Thermal flow measuring technology has come a long way since the introduction of thermocouple technology and early hot wire anemometers. Thermal technologies depend on heat transfer and traditionally operate on differential temperature measurements between two temperature sensitive materials
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Springer Handbook of Experimental Fluid Mechanics
Kramers: Heat transfer from spheres to flowing media, Physica XII(2-3), 61–80 (1946) 5.99 G.E. Andrews, D. Bradley, G.F. Hundy: Hot wire anemometer calibration for measurements of small gas velocities, Int. J. Heat Mass Transf.
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Calibration of a system for measuring low air flow velocity in a wind tunnel
Distance and velocity of the hot wire anemometer probe in the wind tunnel test section.
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Fluid Mechanics
Flows of this kind can be investigated reliably with hot wire anemometers because of their characteristic properties.
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Air flow in a high aspect ratio heat sink
Hot wire anemometer raw data .
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Dynamic response of constant temperature hot-wire system in turbulence velocity measurements
In order to connect the temperature perturbations with the hot-wire output voltages, a simplified circuit for a constant temperature hot wire anemometer (CTHWA) such as that shown in figure 6 is assumed.
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The dynamic response of a hot-wire anemometer: IV. Sine-wave voltage
perturbation testing for near-wall hot-wire/film probes and the presence of
low-high frequ...
…B 1978 Influence of end conduction on the sensitivity to stream temperature fluctuations of a hot-wire anemometer Int. J. Heat Mass Transfer 21 145–54 Bremhorst K and Krebs L 1976 Reconsideration of constant current hot wire anemometers for the measurement of…
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Turbulence
Figure3.16 offers an example of such a signal provided by a hot wire anemometer .
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Gas phase hydrodynamics inside a circulating fluidized bed
The hot wire anemometer works on the principle of heat transfer.
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Pulsed hot-wire measurements in two- and three-dimensional wall jets
(1989) The pulsed hot wire anemometer .
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The effects of altering air velocities in operational clean rooms
First, I thank Ruben Rathnasingham for introducing me to the wonders of spot welding hot wire anemometers .