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Measures air velocity, volume flow, and temperature.
Measuring air velocity with the new Pocket-line device.
The Testo 405 is a thermal anemometer. It measures air velocity, volume flow, and temperature.
Calculates volume flow rates up to 99,990 m³/h
Ideal for duct measurements
Telescopic telescope up to 300 mm
The Testo 405 is a thermal anemometer with a holder, including a battery.
Allows measurement of air velocity, volume flow, and temperature.
Measure air velocity with the new Pocket-line series instrument.
The Testo 405 is a thermal anemometer that allows measurement of air velocity, volume flow, and temperature.
Testo 405 – thermal anemometer with holder, including battery.
Including a telescopic probe tube (max. length 400 mm), batteries, and factory calibration protocol
Includes wrist strap, belt-mounted case, and factory calibration protocol
The Testo 410-1 measures air flow velocity and air temperature. The instrument is ideal for spot measurements at air outlets thanks to its built-in 40 mm vane. It also allows calculation of the time-based mean value. Testo ensures accurate measurements and effortless monitoring of environmental conditions.
With NTC air temperature sensor, including protective cap, batteries, and factory calibration protocol
Testo 410-2 is designed for measuring air flow velocity, temperature, and humidity. The patented, long-term stable Testo humidity sensor ensures precise and reliable measurement results.
Thanks to the built-in 40 mm vane, the instrument is ideally suited for quick spot measurements in air ducts. Time-based averaging is possible. The compact design makes it very convenient to use.
Includes batteries and calibration protocol
The testo 410i is a smart probe for measuring air flow velocity, temperature, and calculating air volume flow.
This probe connects to your tablet or smartphone via Bluetooth and is operated directly through the free mobile app.
With the Testo Smart Probes app, your smartphone or tablet becomes the display of the instrument.
Measurement control and data transmission are performed via Bluetooth.
You can also create reports, add photos and comments, and save or export them in Excel or PDF format (for Android), or PDF (for iOS) via email.
Technical Specifications of the Testo 410i Probe
Sensor type: Hot wire anemometer
Measuring range: 0.4 to 30 m/s
Accuracy: ±(0.2 m/s + 2% of measured value) in the range 0.4 to +20 m/s
Resolution: 0.1 m/s
Sensor type: NTC
Measuring range: -20 to +60 °C
Accuracy: ±0.5 °C
Resolution: 0.1 °C
with a transport bag, batteries, and factory calibration protocol
Simple, fast, and precise measurement of flow velocity and calculation of air volume flow in ventilation ducts.
Greater flexibility during duct measurements thanks to the wired telescopic probe (maximum length 850 mm).
Quick configuration via the app (duct settings), graphical data display, second screen functionality, and measurement data storage in the testo Smart App.
Time-based and point-based averaging.
The compact testo 416 vane anemometer with a 16 mm telescopic probe and app connectivity is ideal for simple, fast, and precise determination of air velocity and volume flow in ventilation ducts of air conditioning and ventilation systems.
By connecting to the testo Smart App, you can configure the instrument, display readings (including as a second screen), store and document measurement data directly within the app.
Includes factory calibration protocol and 3 AA batteries
The compact testo 417 anemometer with a built-in 100 mm vane for measuring air velocity and temperature is designed for determining flow velocity, volumetric flow, and temperature. The volumetric flow is displayed directly on the screen. Accurate calculation of volumetric flow is ensured by the easy alignment of the probe with the air duct. In addition, it is easy to switch to the display of the current temperature. The flow direction (e.g. supply or exhaust) is shown on the display. The averaging function over time and number of measurements allows obtaining averaged values of volumetric flow, air velocity, and temperature. An optional funnel set enables efficient measurements at ventilation grilles, round ceiling diffusers, and plate air valves. Min/max values can also be displayed. The Hold function allows you to freeze current measurement data on the display.
testo 420 is an ideal solution for adjusting air volume flow on large ceiling air outlets. This lightweight instrument with a removable measuring hood ensures precise determination of volume flow even on swirl diffusers.
Product advantages:
With telescopic handle (max. 820 mm), including nylon transport bag, batteries, and factory calibration protocol
Simple, fast, and precise measurement of flow velocity and temperature, as well as calculation of volumetric flow in ventilation ducts.
More flexibility during duct measurements thanks to the wired telescopic probe (maximum length 820 mm).
Quick configuration in the testo Smart App (channel), graphical history, second screen function, and storage of measurement data directly in the app.
Time-based and point averaging.
The compact testo 425 thermal anemometer with telescopic probe is ideal for simple, fast, and accurate determination of air velocity and volumetric flow in ventilation ducts of air conditioning and ventilation systems. Connection to the testo Smart App allows configuration, display (also as a second screen), storage, and documentation of measurements directly in the app.
Includes 3 AA batteries, USB cable, and factory calibration protocol
Accurate and efficient measurement of all air velocity and indoor air quality parameters using a single measuring device: a multifunction measuring instrument with intuitive operation and clearly structured measurement menus. Whether you are setting air conditioning and ventilation systems, monitoring indoor air quality, or assessing comfort levels – with interchangeable high-quality digital probes, you are perfectly equipped for any measuring task (probes sold separately).
Here is the English translation for the description and features of the testo 440 measuring instrument:
3 AA batteries, USB cable, and factory calibration protocol
You can use the testo 440 instrument in combination with high-quality probes for measuring velocity and assessing indoor air quality (probes ordered separately). Up to 3 probes can be connected simultaneously: a Bluetooth probe, a wired probe, and a temperature probe with a Type K thermocouple connector. Automatic probe detection and clearly structured measurement menus will simplify your daily work.