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KESTREL

Kestrel is a brand of portable environmental measurement instruments originally developed by Nielsen-Kellerman, a company founded in 1980 in the United States. The Kestrel line is best known for handheld anemometers and weather meters used to measure air velocity, temperature, relative humidity, wind chill, and related parameters. The instruments are widely used in HVAC commissioning, industrial ventilation, environmental monitoring, and outdoor work where local conditions need to be quantified. Kestrel meters typically use a rotating vane or impeller sensor for air velocity, paired with a digital LCD display and battery power. Many models are supplied with a NIST calibration certificate or NIST traceable certification, which supports measurement traceability in regulated or quality-controlled environments. Across the product family, air velocity measurement commonly starts above 100 feet per minute (fpm) and extends to ranges such as 6,000 to 8,000 fpm, depending on the model. Temperature accuracy is often specified at plus or minus 0.9 degrees, and relative humidity accuracy at plus or minus 3 percent on models that include that sensor. Data logging is available on some versions, while others are intended for spot checks. The meters are handheld and include a lanyard; accessories such as replacement impellers, belt carry pouches, and interface cables extend their service life and connectivity. 3G Electric supplies Kestrel air velocity meters and related accessories as part of its industrial equipment catalog. The range includes rotating vane anemometers such as the Kestrel 0810, 0820, and 0825, along with replacement impellers, carry pouches, and USB interface cables for compatible models like the K4000. Each listing is supported with manufacturer part numbers, key specifications, and datasheet-level detail so plant engineers, maintenance managers, and procurement specialists can match the instrument to the measurement task. Because Kestrel instruments are portable and battery powered, they are suited to field verification, spot checks, and temporary monitoring rather than fixed installation. The availability of NIST-related calibration documentation on many items helps users align with internal quality procedures and customer requirements. 3G Electric ships Kestrel products globally and provides quotation and logistics support for single units and larger orders. For technical buyers, the main selection variables are air velocity range, whether temperature and humidity are needed, whether data logging is required, and which accessories are necessary for the intended use. The product data supplied with each SKU allows direct comparison across these variables without relying on marketing descriptions.

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About KESTREL

Kestrel is a brand of portable environmental measurement instruments originally developed by Nielsen-Kellerman, a company founded in 1980 in the United States. The Kestrel line is best known for handheld anemometers and weather meters used to measure air velocity, temperature, relative humidity, wind chill, and related parameters. The instruments are widely used in HVAC commissioning, industrial ventilation, environmental monitoring, and outdoor work where local conditions need to be quantified. Kestrel meters typically use a rotating vane or impeller sensor for air velocity, paired with a digital LCD display and battery power. Many models are supplied with a NIST calibration certificate or NIST traceable certification, which supports measurement traceability in regulated or quality-controlled environments. Across the product family, air velocity measurement commonly starts above 100 feet per minute (fpm) and extends to ranges such as 6,000 to 8,000 fpm, depending on the model. Temperature accuracy is often specified at plus or minus 0.9 degrees, and relative humidity accuracy at plus or minus 3 percent on models that include that sensor. Data logging is available on some versions, while others are intended for spot checks. The meters are handheld and include a lanyard; accessories such as replacement impellers, belt carry pouches, and interface cables extend their service life and connectivity. 3G Electric supplies Kestrel air velocity meters and related accessories as part of its industrial equipment catalog. The range includes rotating vane anemometers such as the Kestrel 0810, 0820, and 0825, along with replacement impellers, carry pouches, and USB interface cables for compatible models like the K4000. Each listing is supported with manufacturer part numbers, key specifications, and datasheet-level detail so plant engineers, maintenance managers, and procurement specialists can match the instrument to the measurement task. Because Kestrel instruments are portable and battery powered, they are suited to field verification, spot checks, and temporary monitoring rather than fixed installation. The availability of NIST-related calibration documentation on many items helps users align with internal quality procedures and customer requirements. 3G Electric ships Kestrel products globally and provides quotation and logistics support for single units and larger orders. For technical buyers, the main selection variables are air velocity range, whether temperature and humidity are needed, whether data logging is required, and which accessories are necessary for the intended use. The product data supplied with each SKU allows direct comparison across these variables without relying on marketing descriptions.

Common Applications

  • HVAC commissioning — Kestrel 0810 rotating vane anemometer for duct and diffuser air velocity checks
  • Industrial ventilation — Kestrel 0820 for simultaneous air velocity, temperature, and relative humidity measurement
  • Environmental monitoring — Kestrel 0825 with data logging for wind chill and air velocity records
  • Field service — Kestrel belt carry pouch (0805) for hands-free transport of compatible meters
  • Measurement maintenance — Kestrel replacement impeller (0801) with NIST traceable certification for restoring meter accuracy
  • Data analysis — Kestrel USB interface cable (0804USB) for transferring K4000 measurements to a computer

Frequently asked questions

Common questions about KESTREL from 3G Electric.

What is the air velocity range of Kestrel rotating vane anemometers?

Kestrel rotating vane air velocity meters in the supplied range measure from over 100 feet per minute (fpm) up to 6,000 to 8,000 fpm, depending on the specific model. For example, the Kestrel 0810 is listed with a range of over 100 fpm to 6,000 to 8,000 fpm. This covers common HVAC duct and industrial ventilation measurement needs. The exact upper limit should be confirmed against the individual model datasheet, as different Kestrel models may have different specified ranges. The rotating vane sensor is intended for air velocity measurement, and the digital LCD display provides a direct reading.

Which Kestrel models include temperature and relative humidity measurement?

Some Kestrel air velocity meters combine air velocity with temperature and relative humidity. The Kestrel 0820 measures air velocity, temperature, and relative humidity, with temperature accuracy of plus or minus 0.9 degrees and relative humidity accuracy of plus or minus 3 percent. The Kestrel 0825 measures air velocity, temperature, and wind chill, and includes data logging. The Kestrel 0810 is primarily an air velocity meter with temperature accuracy specified at plus or minus 0.9 degrees. Buyers should check the individual product specification to confirm which parameters are included, since sensor configurations vary across the Kestrel line.

Do Kestrel air velocity meters come with NIST calibration?

Many Kestrel air velocity meters and accessories are supplied with NIST calibration documentation. The Kestrel 0810, 0820, and 0825 are listed with a NIST calibration certificate. The replacement impeller for Kestrel meters, part number 0801, includes NIST traceable with data certification. This documentation supports measurement traceability where required by quality systems or customer specifications. Calibration certificates are typically issued at the time of manufacture or supply, and users should follow their own recalibration schedule based on application requirements and internal procedures. The presence of NIST documentation does not replace the need for periodic recalibration in service.

What accessories are available for Kestrel air velocity meters?

Accessories for Kestrel air velocity meters include replacement impellers, belt carry pouches, and interface cables. The replacement impeller, part number 0801, is used with Kestrel instruments and includes NIST traceable with data certification. The belt carry pouch, part number 0805, includes a belt clip for hands-free carrying during field measurements. The USB interface cable, part number 0804USB, connects a Kestrel K4000 air velocity meter to a computer for data transfer and software communication, and includes a serial cable. These accessories support maintenance, portability, and data handling for compatible Kestrel meters.

Which Kestrel air velocity meter supports data logging?

The Kestrel 0825 rotating vane air velocity meter supports data logging. It measures air velocity over 100 fpm, temperature, and wind chill, and includes a digital LCD display, NIST calibration certificate, and data logging capability. The Kestrel 0810 and 0820 are listed without data logging. For applications requiring logged measurements over time, the 0825 is the relevant model in the supplied range. Data can be reviewed on the instrument or, for compatible models such as the K4000, transferred to a computer using the USB interface cable, part number 0804USB.

What is the Kestrel K4000 USB cable used for?

The Kestrel USB cable, part number 0804USB, is an interface cable for connecting a Kestrel K4000 air velocity meter to a computer. It enables data transfer and software communication for logging and analyzing airflow measurements. The cable is listed as including a serial cable and is compatible with the Kestrel K4000 model. It is an accessory intended for use with compatible Kestrel instruments and supports the transfer of measurement data to a PC for review, reporting, or further analysis. It does not provide power to the meter.