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THERMAL ANEMOMETER
TSI's thermal anemometer product line offers flexibility in designing a system that meets your flow measurement needs. You can select specific components from our full line to integrate with those you may already have or you can select a complete system and expand its capabilities by adding accessories. Every system must have an anemometer; one or more single-component, two-component, or three-component probes depending on your application; and an equivalent number of probe supports. Most systems will also include a probe calibrator, A/D converter, thermal anemometry software, and a computer. You may also choose to purchase probe calibration services from TSI.
Features and Benefits
- Measures rapid changes in flow velocity
- Wide variety of probes and geometries
- Cost effective flow measurement method
Applications
- Excellent for measurements in turbulent flows
- Measurements in restricted spaces
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SMARTTUNE™ CTA Module w/Signal Conditioner is the plug-in module for additional channels of anemometry |
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TSI 12-bit A/D Card Model ADCPCI Multi channel digitizer |
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These probe supports, available in different lengths, are designed for use with different two-sensor probes. A 90 degree angle adapter allows an end flow probe to be mounted with the probe support in the cross flow configuration. |
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Cross and end flow single sensor probes are used with these. They are available in different lengths. A 90 degree angle adapter allows an end flow probe to be mounted with the probe support in the cross flow configuration. |
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TSI research grade thermal anemometer systems (hot wire and hot film) are used in fluid mechanics research involving velocity, turbulence and other measurements in water channels and wind tunnels. |
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Module supplies the sensing current and signal conditioning needed to use a fine wire sensor as a resistance thermometer. Plugs into a standard TSI IFA300 research thermal anemometer. |
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Software exercises complete control over the operation of TSI's IFA 300 Research Constant Temperature Anemometer. |
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Used with TSI's IFA 300 Research Constant Temperature Anemometer, this calibrator gives users the ability to integrate probe calibration with software control of anemometer settings and data acquisition. |
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The TSI Manual Velocity Calibrator can be used with any anemometer to provide precise calibrations of a wide range of thermal anemometry probes. The user has a choice of three pressure transducers. |
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The TSI Manual Velocity Calibrator can be used with any anemometer to provide precise calibrations of a wide range of thermal anemometry probes. The user must supply the pressure transducer. |
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Computer-controlled traverses precisely locate and move a thermal anemometer probe as part of a thermal anemometer system. |
SERVICE INFORMATION
FREQUENTLY ASKED QUESTIONSshow/hide all answers
- How do I know which anemometer system is best suited to my needs?
There are two primary considerations when evaluating systems for purchase: present requirements and possible future requirements. Important questions to consider include the following:
- What is the velocity range (and, therefore, frequency response) I may need to characterize?
- How many sensors will I need to operate simultaneously?
- Do I need to measure one, two, or three dimensions of velocity?
- Will there be rapid temperature fluctuations in the flow that I will need to measure?
- Do I, or will I, need to use an automated traversing system to position the thermal anemometry probe during measurements?
- Is the computer system that I will be using an important consideration?
The IFA300 Anemometer and its associated THERMALPRO™ software can accommodate probes for one-, two-, and three-dimensional fluid measurements. Up to 16 total channels can be accommodated with the system. Due to its fast response characteristics, the IFA300 is well suited to virtually all velocity regimes. In addition, the IFA300 and THERMALPRO software can incorporate specially designed Constant Current Anemometer channels for fast-response measurement of fluctuating temperatures. The IFA300 system also offers the ability to control an automated traverse system and can even control an automated air velocity calibrator.
- What are some of the properties and parameters that can be measured using thermal anemometry?
In addition to velocity, the following can be measured: temperature, density, concentration in binary gas mixtures, wall shear stress, vorticity, pressure, heat flux, etc. Sensors can also be used to detect boundary layer transition and flow separation.
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