テストー Product Lineup

The testo 405-V1 is a stick-type thermal anemometer. The display section can rotate, allowing you to check the measurement values at a comfortable angle. The telescopic rod has a scale indicating the insertion length, enabling duct measurements while confirming the insertion length within the duct. The rotating shutter on the sensor part protects the sensor, making it safe to carry in pockets and similar places. 【Features】 ■ Capable of calculating air volume ■ Display can rotate 180° ■ Rod with insertion length scale (extendable from 150 to 300 mm) *For more details, please download the PDF or feel free to contact us.

The testo 410 is a palm-sized vane anemometer equipped with a rich set of features. It allows for stable wind speed measurements with a time averaging function. Additionally, the testo 410-2 includes temperature and humidity measurement capabilities, enabling calculations for dew point temperature and wet bulb temperature. All models in the Pocket Line series come with a sensor protection cap, making it easy to carry in your pocket. 【Features】 ■ Φ30mm vane sensor ■ Built-in humidity sensor, wet bulb temperature/dew point calculations (410-2) ■ Apparent temperature calculation function ■ Beaufort wind force scale display ■ Average time, hold function, maximum/minimum values *For more details, please download the PDF or feel free to contact us.

The testo 420 is a lightweight hood air flow meter weighing 2.9 kg. It can be mounted on a dedicated tripod. To accurately measure air flow even in large ventilation ducts, it is equipped with a straightener inside. Additionally, with the built-in differential pressure sensor, it can also be used as a differential pressure gauge by connecting a pitot tube. 【Features】 ■ The straightener smooths out turbulence inside the hood ■ Lightweight at 2.9 kg, comes with a convenient carrying cart ■ The main unit can be removed for differential pressure measurement ■ Maximum and minimum value display ■ Memory function (can continuously record for up to 15 minutes), can be connected to a PC *For more details, please download the PDF or feel free to contact us.

The esto 416 is a vane anemometer capable of measuring wind speed and airflow. The tip of the probe has a diameter of 16mm and can extend up to 850mm, making it ideal for measuring at high locations or in large diameter ducts. It allows for more accurate measurements than hot-wire anemometers in the medium wind speed range (5-40m/s). Additionally, unlike hot-wire types, it is not affected by temperature or atmospheric pressure (air density). 【Features】 ■ Backlight ■ Hold function ■ Maximum / Minimum values ■ Average (time / multiple points) ■ Damping ■ Auto-off ■ Printer (optional) ■ Mobile app integration ■ Airflow calculation *For more details, please download the PDF or feel free to contact us.

Testo 425 is a thermal wire anemometer capable of measuring wind speed, wind temperature, and air volume. The probe can extend up to 820mm, making it ideal for measuring at high locations and in large-diameter ducts. It excels in measuring low wind speeds (0-5m/s) and maintains a resolution of 0.01m/s across all measurement ranges. 【Features】 ■ Backlight ■ Hold function ■ Maximum/Minimum values ■ Average (time/multiple points) ■ Damping ■ Auto-off; Printer (optional) ■ Mobile app integration ■ Air volume calculation *For more details, please download the PDF or feel free to contact us.

The testo 440 hot-wire anemometer probe set is a basic anemometer set that can simultaneously measure air velocity and temperature in HVAC systems. The Φ9 mm hot-wire anemometer sensor head has a built-in temperature sensor. It also comes with a convenient dedicated soft case for portability. 【Features】 ■ Clearly structured operation menu and color display ■ Easy setting of duct/vent area based on shape and dimensions ■ Telescopic rod with scale to check duct insertion depth (up to 85 cm) ■ Accurate measurement of air velocity/flow rate with automatic air pressure compensation ■ Measurement data can be saved in CSV format in built-in memory and exported to a PC via USB ■ Supports multi-parameter measurement when additional probes or accessories are added *For more details, please download the PDF or feel free to contact us.

The testo 440 vane anemometer probe set is a set of anemometers that can measure wind speed and airflow within ducts. The compact vane anemometer sensor head with a diameter of 16 mm is easy to insert into ducts, and it comes with a convenient dedicated soft case for portability. 【Features】 ■ Clearly structured operation menu and color display ■ Easy setting of duct/vent area based on shape and dimensions ■ Telescopic rod with scale to confirm duct insertion depth (up to 85 cm) ■ Accurate measurement of wind speed/airflow with automatic pressure compensation ■ Measurement data can be saved in CSV format in the built-in memory and exported to a PC via USB ■ Supports multi-parameter measurements when additional probes or accessories are added *For more details, please download the PDF or feel free to contact us.

Testo 417 is a vane anemometer capable of measuring wind speed, wind temperature, and air volume. The vane has a diameter of approximately 100mm, allowing for efficient measurement of a wide measurement area. By connecting optional funnels or flow straighteners, it is possible to quickly and easily measure air volume at non-rectified outlets, inlets, and exhaust fans without setting the opening area. 【Features】 ■ Backlight ■ Hold function ■ Maximum/Minimum values ■ Average (time/multiple points) ■ Damping ■ Auto-off ■ Printer (optional) ■ Mobile app integration ■ Air volume calculation ■ Funnel air volume measurement *For more details, please download the PDF or feel free to contact us.

The testo 440 φ100 mm vane-type air velocity probe set is Bluetooth compatible and allows for simultaneous wireless measurement of air velocity, air volume, and temperature at ventilation outlets. It comes with a convenient dedicated soft case for portability. 【Features】 ■ Clearly structured operation menu and color display ■ Easy setting of duct/supply and exhaust outlet area based on shape and dimensions ■ Measurement data can be saved in CSV format in the built-in memory and exported to a PC via USB ■ Additional probes and accessories can be added for multi-parameter measurements with a single device *For more details, please download the PDF or feel free to contact us.

The testo 315-3 is a CO and CO2 detector that quickly measures indoor carbon monoxide and carbon dioxide concentrations. When an optional temperature and humidity sensor is connected, it can also measure temperature and relative humidity simultaneously. 【Features】 ■ Simultaneous measurement of carbon monoxide (CO) and carbon dioxide (CO₂) ■ When the temperature and humidity sensor (optional) is connected, simultaneous measurement of carbon monoxide/carbon dioxide/temperature/humidity is possible ■ Alerts with screen display and alarm sound when the set alarm values are exceeded *For more details, please download the PDF or feel free to contact us.

The testo 440 IAQ set is a kit for evaluating indoor air quality. It simultaneously measures humidity, temperature, CO2, and atmospheric pressure. The testo 440 main unit and the Bluetooth-compatible IAQ probe can be carried directly to the measurement site in the included case. 【Features】 ■ Clearly structured operation menu and color display ■ Measures temperature/humidity/carbon dioxide with one device; saves measurement data in CSV format to internal memory and exports to PC via USB ■ Achieves high flexibility in measurements without being restricted by cables with a wireless handle ■ Supports multi-parameter measurements with the addition of other probes and accessories *For more details, please download the PDF or feel free to contact us.

The "testo400" is a multifunctional and versatile smart measurement device. The large color touch display enables intuitive operation. By combining wireless and wired probes, it can handle various applications for IAQ measurement with just one device. 【Features】 ■ Create reports with photos and comments on the display and share them via email ■ Supports users in ensuring accurate measurements and reducing data management time ■ Large color display & smart touch ■ Bluetooth wireless measurement ■ Reliable 2-year warranty *For more details, please download the PDF or feel free to contact us.

The "Smart Probe" is a lightweight and compact measuring device that fits comfortably in your chest pocket. It can be easily taken out for quick and simple measurements. It can be conveniently used by light users who do not primarily engage in measurement tasks, as well as by experts in measurement services. 【Features】 ■ Quick to take out and quick to measure ■ Wireless and stress-free ■ Excellent visibility and usability ■ Professional measurement menu ■ Capable of measuring, recording, documenting, and sharing *For more details, please refer to the PDF document or feel free to contact us.

In the air conditioning equipment industry, improving energy efficiency is a crucial issue. Proper ventilation and air conditioning management not only maintain a comfortable indoor environment but also lead to reduced operational costs. Wind speed measurement is essential for adjusting the airflow balance within ducts and minimizing unnecessary energy consumption. The testo 425 supports the efficient operation of air conditioning systems by measuring wind speed, air temperature, and airflow. 【Usage Scenarios】 - Commissioning of air conditioning equipment - Measurement of airflow within ducts - Checking for air filter clogging - Measurement of ventilation efficiency 【Benefits of Implementation】 - Reduction in energy costs - Achievement of a comfortable indoor environment - Maintenance of air conditioning equipment performance - Increased efficiency of maintenance

This document is a practical guide introducing accurate airflow measurement according to EN 12599. The method of dividing the cross-section into a grid varies depending on whether the duct is rectangular or circular. With the "testo 400," you can create reports directly on the display of the measuring device and send them via email. [Contents] ■1. Importance of Airflow ■2. Accurate Airflow Measurement ■3. Correct Measurement Position ■4. Measurement Methods ■5. Evaluation of Values ■6. Measurement Report *For more details, please download the PDF or feel free to contact us.

This document is an application leaflet for local exhaust measurement anemometers. The suction and exhaust capacity of local exhaust devices, such as draft chambers, is measured using direct-reading anemometers like hot wire anemometers. If the intake and exhaust capacity decreases, recovery can be achieved through filter replacement or duct cleaning. [Contents (partial)] ■ Wind speed measurement when using organic solvents in draft chambers ■ Control wind speed of local exhaust devices ■ Check items for regular self-inspection of local exhaust devices ■ Measurement instruments to prepare for regular self-inspection of local exhaust devices *For more details, please download the PDF or feel free to contact us.