• Flow rate measurement range: 0.50 m/s to 27.0 m/s Intrinsic uncertainty: ± 3 % of reading ± 4 counts
• Flow rate measurement with the cones kit available as an accessory Square cross-section: 346 x 346 mm / Circular cross-section: Ø210 mm
• Temperature measurement range: - 20.0 to + 50.0 °C Intrinsic uncertainty: 0 to 50 °C : ± 0.8 °C / -20 to 0 °C : ± 1.6 °C
• Min, Max, Average, MAP and Hold functions / Backlighting
• Air speed units: m/s, km/h, fpm, mph
• Flow rate units: m3/s, m3/h, l/s, cfm
• Recording up to 1 million points
• USB or Bluetooth interfaces
• Vane diameter: Ø8 mm
• Casing dimensions: 150 x 72 x 32 mm / Sensor: 160 x 80 x 38 mm
• Weight: 400 g with batteries
• Compatible with the Multifix accessory
• Shockproof protective sheath available as an accessory

Datasheet

Professional measuring technology in a small format: the compact testo 410i vane anemometer with smartphone operation measures the volume flow, air velocity and temperature at air outlets quickly and reliably. The testo Smart App enables readings to be viewed conveniently and offers intelligent additional functions.

• Measurement of air velocity, volume flow and temperature
• Display of the volume flow of multiple outlets in order to adjust systems
• Easy parametrization of the outlet (dimension and geometry)
• Convenient viewing of readings on a smartphone/tablet with the testo Smart App

Datasheet

The testo 410-1 vane anemometer measures air velocity and air temperature. Use it to carry out quick spot measurements at ventilation grilles (air outlets). The anemometer is also ideal for use outdoors. It displays the units m/s, km/h, fpm, mph and kts, and also calculates wind chill and the Beaufort wind force.

• Vane anemometer with permanently installed 30 mm vane
• Measurement of air velocity and air temperature
• Calculates wind chill and the Beaufort wind force
• Practical: with single-point averaging, max/min and Hold function

Datasheet

Ideal for rapid measurement at ventilation grilles (air outlets) and for inspecting air conditions – also outdoors: use the testo 410-2 vane anemometer to measure humidity, as well as air velocity and air temperature. Dew point and wet bulb temperature, wind chill or Beaufort wind force: the anemometer can accomplish the calculation of all these parameters at the touch of a button.

• Permanently installed vane with a diameter of 30 mm
• Measurement of air velocity, air temperature and humidity
• Calculates dew point and wet bulb temperature, wind chill and Beaufort wind force
• Includes single-point averaging, max/min and Hold function

Datasheet

Vane anemometer with telescopic sensor – ideal for carrying out airflow measurements in air ducts.

• Permanently connected telescopic sensor – maximum length 890 mm, diameter 16 mm
• Airflow measurements, selective and time mean values for calculating air volume
• Hold function; min/max display; auto power off
• Calibration certificate and batteries included

Datasheet

User Manual

Get the testo 417 vane anemometer with integrated 100 mm vane now, in a set that includes two measurement funnels, a volume flow straightener and other accessories. This ideally equips you to carry out volume flow measurement at plate outlets, ventilation grilles and swirl outlets.

• testo 417 vane anemometer for measuring air flow velocity, volume flow and temperature
• Attachable measurement funnels make this ideal for measuring volume flow at ventilation outlets
• Also suitable for swirl outlets: thanks to the flow straightener, precise measurements can also be taken at swirl outlets
• Important accessories included in the set: measurement funnels, flow straightener and a bag for storage

Datasheet

The functional testing of ventilation and air conditioning systems includes monitoring the flow speed in ventilation ducts. If the air flow velocity and volumetric flow are not set correctly, the room air quality may suffer. The testo 425 thermal anemometer measures the flow speed and automatically calculates the volumetric flow.

• Temperature and flow measurement as well as volumetric flow calculation
• Permanently attached extendible telescopic probe – maximum length 820 mm, diameter 7.5 mm
• With single and multi-point averaging
• Hold function, display of min/max value, Auto-off function

Datasheet

testo 435 is a series of multi-function climate measuring instruments made by Testo. The testo 435-1 version is the entry-level measuring instrument in this series. You can use this to carry out measurements which you need to adjust ventilation and air conditioning systems and assess air quality. For this we offer you a comprehensive range of optional probes and sensors to choose from.

• You have the option of connecting thermal anemometers and vane anemometers for measuring air velocity and volumetric flow in ventilation ducts
• Air quality: measurement of CO₂, air humidity, air temperature and absolute pressure with the optional IAQ probe
• Display of dew point distance, min., max. and mean values
• Illuminated display

Datasheet

The testo 435-2 indoor air quality meter allows you to carry out all the measurements that are necessary to check and adjust ventilation and air conditioning systems and assess the quality of the indoor air. Select from a wide range of probes and sensors. Because it’s you know best what your meter needs to be able to do!

• Comprehensive range of measuring functions using optionally available accessories – e.g. anemometers, moisture sensors, lux and degree of turbulence sensors
• Super-size memory for up to 10 000 readings
• Displays dew point difference, min, max and mean values
• PC software for analyzing and logging measuring data

Datasheet

testo 435-3 – multi-function climate measuring instrument with integrated differential pressure measurement. You can use this to carry out measurements which you need to adjust ventilation and air conditioning systems and assess room air quality. For this we offer a comprehensive range of optional probes and sensors to choose from.

• Includes differential pressure measurement for filter monitoring or for measurement with a Pitot tube
• Further optional probes can be attached: thermal and vane anemometers, along with probes for air humidity, CO₂, absolute pressure and temperature
• Display of dew point distance, min., max. and mean values
• Illuminated display

Datasheet

The compact testo 605i temperature and humidity measuring instrument with bendable probe head features professional measuring technology in an intelligent format: it can be used in conjunction with a smartphone/tablet and the testo Smart App to reliably measure air temperature and humidity in rooms and ducts.

• Measurement of air humidity and temperature in rooms and ducts
• Automatic calculation of the dew point and wet bulb temperature via testo Smart App
• Measurement data analysed and sent via testo Smart Probes App
• Problem-free application at measuring points that are a long distance apart thanks to Bluetooth^® range up to 100 m

Datasheet

With the testo 405i hot wire anemometer, you can measure air velocities, temperatures and volume flows. Via Bluetooth, the readings are transmitted wirelessly straight to the testo Smart App on your smartphone or tablet. You can view the values conveniently and use numerous intelligent features:

• For measuring volume flow, air velocity and temperature
• Simple configuration of the dimension and geometry of the duct cross-section for determining the volume flow
• Convenient for working in ventilation ducts thanks to its telescopic tube, which can be extended up to 400 mm
• Really convenient to operate thanks to the testo Smart App (e.g. easy viewing of readings, measurement data trend, log function)

Datasheet

• Measurement range: 0.1 lx to 200,000 lx (lux)
• Intrinsic uncertainty without compensation: ± 3% of the reading on incandescent sources (default) ± 6%  of the reading on LEDs (3,000 K to 6,000 K) ± 9% of the reading on fluorescent sources
• Min, Max, Average, MAP and Hold functions, lx or fc / Backlighting
• Recording up to 1 million points
• USB or Bluetooth interfaces
• IP50 casing
• Casing dimensions: 150 x 72 x 32 mm / Sensor: 67 x 64 x 35 mm
• Weight: 345 g with batteries
• Compatible with the Multifix accessory
• Shockproof protective sheath available as an accessory

Datasheet

The Testo 435-4 multifunction indoor air quality meter allows you to carry out all the measurements you need to inspect and adjust ventilation and air conditioning systems and to check the quality of the indoor air. There is also an integrated pressure difference sensor for pitot static tube measurements and filter monitoring and a wide range of optionally available sensors and probes to choose from.

Datenblatt