Testo 405i Hot Wire Anemometer Smart Probe

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Testo 405i Hot Wire Anemometer Smart Probe

Compact wireless air velocity probe for use with iOS and Android devices using free app
Timed/multipoint averaging to get accurate air flow profiles
View data trends on a real time chart or save results as PDF or Excel format
Easy data entry of grill dimensions (cross sectional area) for CFM calculations
Use in combination with the humidity SmartProbe testo 605i to determine cooling or heating performance and efficiency
Convenient and low cost way to "get digital" in your air conditioning and heating work.

The App turns your smartphone/tablet into the display for the testo 405i.

BlueTooth connectivity to your smart phone or tablet makes the work easier when measuring locations are far apart.

Q: Is there a maximum number of app downloads that will work with the probe? IE if there are X number of people in the lab with they all be able to download the app and use the one probe?

Asked by: Sarah Mann - 2/10/2017

A: Hello,

There can only be one BlueTooth enabled device that is connected to the 405i at one time.
However, there is no limit to how many devices can work with the 405i, they just all can't use it at once. It will only connect with one device.

Thank you!

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Answer provided by: Billy Spohn (7/26/2019)

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Q: Does this meter come with a calibration certificate? Is it NIST?

Asked by: TIFFANY RUSSELL - 5/17/2020

A: Hello,

The Testo 405i comes with a Certificate of Conformity. It does not come with a true calibration certificate.

The Testo 405i is not NIST calibrated. You can send it in to Testo to have it calibrated to NIST standards. Please call TruTech or Testo in order to set up a NIST calibration.
TruTech Tools- 1-888-224-3437
Testo- 800-227-0729

Thank you!

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Answer provided by: Billy Spohn (5/18/2020)

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Air Velocity Sensor Type:	Hot Wire
Measuring Range:	0 to 5880 FPM (0 to 30 m/s)
Accuracy:	±1 digit± (20 FPM + 5 % meas. value.) (over the range 0 to 400 FPM) (0.1 m/s + 5 % meas. value.) (0 to 2 m/s) ±(60 FPM + 5 % meas. value.) (400 to 2940 FPM) ±(0.3 m/s + 5 % meas. value.) (2 to15 m/s)
Resolution:	1 FPM (0.01 m/s)
Temperature Sensor Type:	NTC
Measuring Range:	-4 to 140°F (-20 to 60°C)
Accuracy:	±1 digit ±0.9 °F (±0.5 °C)
Resolution:	0.1 °F (0.1 °C)
Operating Temperature:	-4 to 122°F (-20 to +50 °C)
Battery Type:	3 AAA
Battery Life:	15 hrs
Dimensions:	5.1 x 0.76 x 1.04 in (200 x 30 x 41 mm)
Telescope Extendable to:	10 in (400mm)
Warranty:	2 years