Velocity measurement

Differential pressure measurement from 0 to 100 hPa 

Flow measurement possible with a Pitot tube (available as an option)  

Magnets on the rear allow hands-free work 

10 units to choose from, display in pascals can be selected 

3 in 1 Measurements Temperature, air flow & volumetric flow calcualtion 

Extendable telescopic probe 

Single & multi-point averaging 

Hold button to freeze readings 

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 Tools App (e.g. easy viewing of readings, measurement data trend, log function) 

Measurement of air and surface temperature, humidity, air velocity and volume flow

Measurement menus for volume flow measurement in ducts and at outlets, identification of mould risk, easy image documentation including IR temperature reading and measurement spot marking

Display measurement data as a graph or table and analyze and send via testo Smart Probes App

In conjunction with your smartphone/tablet, carry out the most important measurements involved in air conditioning systems

Measurement of gas flow and static pressure

Measurement menu for pressure drop test including alerts

Simple configuration and determination of volume flow with Pitot tube

Magnetic holder for easy attachment

3 in 1 Air temperature, air velocity
& volumetric Air flow 

Telescopic handle to 300 mm 

Illuminated display

Volume flow calculation up to 99,990 m3/h 

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

Measure multiple parameters Temperature, Humidity, Pressure Turbulence, Heat radiation, Co2 Lux, PMV/PPD, WBGT 

Professional software for reporting & data logging 

Highly accurate digital probes 

Intelligent calibration concept

Simple one-hand operation 

3 in 1 Measurements. RPM | Speed | Lengths 

Storage of mean, max. and min. values 

Easy to read display 

Anemometer with 30MM vane 

2 in 1 Air Velocity & Air Temperature 

Windchill calculation for outside areas
(perceived temperature) 

Calculates dew point and wet bulb temperature 

2 in 1 Air Velocity & Air Temperature 

Windchill calculation for outside areas
(perceived temperature) 

Timed mean value calculation 

Includes pressure difference sensor for pitot static tube measurements or filter monitoring

Further sensors optionally available (eg. anemometer, moisture sensors, lux and degree of turbulence sensors) for a variety of different measuring applications

Super-size memory for up to 10 000 measurements

PC software for analyzing and logging measuring data

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 Tools App 

testo 417 vane anemometer for measuring flow velocity, volumetric flow and temperature

Attachable measurement funnels make it ideal for volumetric flow measurement at ventilation outlets

Simple testing of incoming / outgoing air in controlled ventilation of living spaces

Important accessories included in the set: measurement funnels for poppet valves and ventilation grilles, along with a bag for storage

Measures Multiple Parameters
C, RH, Co2, Co, Pressure, Draught,
Air velocity, Volumetric Flow, Turbulance,
U Value, Lux 

Illuminated Display 

Large Range of Probes 

Large display 

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

8 measurement units to choose from: psi, kPa, hPa, Pa, mm H2O, mmHg, inch H2O, inch Hg 

2 air flow units to select from: m/s, fpm

Simlutaneous Display Of Flow & Pressure Values 

2 Measuing Units For Flow m/s, fpm 

Non-contact temperature measurement, measurement of flow and return temperature as well as gas flow pressure

Measurement menu for pressure-drop test including alarm function

Display measurement data as a graph or table and analyze and send via testo Smart Probes App

In conjunction with your smartphone/tablet, measure and check all heating system temperatures and pressures

Multi-function climate measuring instrument: measure up to 6 measurement parameters at the same time

Internal reading memory for up to 3,000 readings

Automatic allocation of the duct cross-section to the measuring location (max. 99 measuring locations)

Automatic mean value calculation and determination of the volume flow

8 measurement units to choose from: psi, kPa, hPa, Pa, mm H2O, mmHg, inch H2O, inch Hg

Built In Density Compensation 

Simlutaneous Display Of Flow & Pressure Values 

2 Measuing Units For Flow m/s, fpm