Thermal

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

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

Easy parametrization of the outlet/duct cross-section for measuring the volume flow

List of multiple volume flows and calculation of the total volume flow (in the log)

Identification of mould risk thanks to the combined utilization of testo 605i and testo 805i

Rapid image documentation with IR temperature readings and measuring spot marking

Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, volume flow and air temperature in ventilation ducts

Convenient: integrated telescope that can be extended to 0.85 m, with scaling, makes it easy to carry out measurements

Reliable: absolute pressure compensation, internal data storage and USB port for data export

As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes

Measurement of air velocity, volumetric flow and air temperature

For measurements in ventilation ducts and in rooms

Particularly precise in the range between 0 and 2 m/s

Telescope extendible to 300 mm

Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, humidity and temperature in ventilation ducts or at ventilation outlets

Clever: hot wire probe with telescope (0.85 m) – combine the vane probe (Ø 100 mm) with Bluetooth with the telescope for ceiling outlets or the funnel set for plate outlets (please order separately) as required

Convenient: wireless probe, internal data storage and USB port for data export

As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes

Intuitive: clearly structured measurement menu for long-term measurement and parallel determination of CO₂ concentration, humidity, air temperature and degree of turbulence in workplaces

Precise: calculation of wet bulb temperature, dew point and absolute humidity – determination of the degree of turbulence and draught risk according to EN ISO 7730 / ASHRAE 55

Convenient: wireless probe, internal data storage and USB port for data export

As multifaceted as your challenges themselves: the air velocity and IAQ measuring instrument can be expanded with a large portfolio of digital probes

Intuitive: clearly structured measurement menu for volume flow and parallel determination of air velocity, differential pressure, humidity and temperature in ventilation ducts or at ventilation outlets

Space-saving: simply combine the universal Bluetooth handle with the 100 mm vane or hot wire probe head and the extendable telescope (1.0 m)

Convenient: wireless probes, internal data storage and USB port for data export

As multifaceted as your challenges themselves: the testo 440 dP has an integrated differential pressure sensor and can be expanded with a large portfolio of digital probes

High-quality optional sensors for measuring air flow, temperature, humidity, pressure, degree of turbulence, heat radiation, CO2, illumination intensity, PMV/PPD and WBGT

High-precision, integrated pressure sensor included

Pro-software for easy and efficient analysis and logging included

Intelligent calibration concept

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

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

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

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

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

Very small probe head diameter (7.5 mm) – ideal for measurements in inaccessible places

Integrated temperature measurement up to +70 °C

With telescope (can be extended to 820 mm)

Flow measuring range: 0 to +20 m/s

3 functions in 1 probe: measurement of flow, temperature and humidity

Probe head diameter: 12 mm – also suitable for measurements in ventilation ducts

With telescope (can be extended to 745 mm)

Flow measuring range: 0 to +20 m/s

4 functions in 1 probe: measurement of flow, temperature, humidity and absolute pressure

With robust, non-rotatable telescope (can be extended to 1100 mm)

Intelligent calibration concept

Flow measuring range: 0 to +20 m/s

Turbulence measurement in accordance with EN 13779

Determination of air velocity and draught risk

Integrated temperature and ambient pressure measurement

Intelligent calibration concept

Non-directional flow measurement with unknown flow direction

Integrated temperature measurement and absolute pressure compensation for accurate measurement results

Intelligent calibration concept 

Flow measuring range: 0 to +10 m/s 

Non-directional flow measurement 

Integrated temperature measurement

Robust (no moving/rotating element, no wear and tear) 

Flow measuring range: 0 to +10 m/s