
Testo · Sonde d'immersion flexible, TC de type K
Immersion measuring tip (TC plug type K)
The measuring tip with TC plug type K is particularly flexible and ideal for fast temperature measurements.

Testo · testo 440 Kit à hélice de 100 mm avec Bluetooth®
Kit for carrying out measurements at air outlets: the testo 440 air velocity and IAQ measuring instrument and the vane probe (Ø 100 mm) with Bluetooth® including temperature sensor are all safely stowed away in the case. So you can get down to work straight away!
Category: Measuring instruments · Multifunction instruments (climate and ventilation)

Testo · Sonde d'immersion flexible, TC de type K
The measuring tip with TC plug type K is particularly flexible and ideal for fast temperature measurements.

Testo · Pointe de mesure par immersion souple (TC de type K)
In combination with the appropriate measuring instrument, the flexible immersion measuring tip (TC type K) enables temperature measurements in air / flue gases (not suitable for measurements in smelters).

Testo · Sonde à fil chaud (numérique)
For measurements in ventilation ducts: use the hot wire probe (with the compatible measuring instrument) to measure air velocity, volume flow, air temperature and humidity. The readings are transmitted directly to your measuring instrument via Bluetooth, making your measurements particularly convenient.

Testo · Sonde à fil chaud (numérique)
For measurements in ventilation ducts: use the hot wire probe (with the compatible measuring instrument) to measure air velocity, volume flow, air temperature and humidity.

Testo · Sonde à fil chaud (numérique)
For measurements in ventilation ducts: use the hot wire probe (with the compatible measuring instrument) to measure air velocity, volume flow and air temperature.

Testo · Sonde à fil chaud (Ø 7,5 mm, numérique)
The hot wire probe (in conjunction with the appropriate measuring instrument) is ideal for determining flow velocity and temperature in ventilation ducts or at plate outlets and ventilation grilles.

Testo · Sonde à hélice (Ø 100 mm, numérique)
Use the vane probe to determine air velocity, volume flow and temperature at air outlets, as well as at plate outlets, ventilation grilles or swirl outlets. The readings are transmitted directly to your measuring instrument via Bluetooth, making your measurements particularly convenient.

Testo · Sonde à hélice (Ø 100 mm, numérique)
Use the vane probe to determine air velocity, volume flow and temperature at air outlets, as well as at plate outlets, ventilation grilles or swirl outlets.

Testo · Sonde à hélice (Ø 16 mm, numérique)
For measurements in ventilation ducts: use the vane probe (with the compatible measuring instrument) to measure air velocity, volume flow and air temperature. The readings are transmitted directly to your measuring instrument via Bluetooth, making your measurements particularly convenient.

Testo · Sonde à hélice (Ø 16 mm, numérique)
For measurements in ventilation ducts: use the vane probe (with the compatible measuring instrument) to measure air velocity, volume flow and air temperature.

Testo · Sonde à hélice (Ø 16 mm, numérique)
For measurements in ventilation ducts: use the vane probe (with the compatible measuring instrument) to measure air velocity and volume flow.

Testo · Sonde à hélice très précise (Ø 100 mm, numérique)
Ideal for air outlets in cleanrooms: use the high-precision vane probe (with the compatible measuring instrument) to measure even the lowest air velocities and volume flows as well as the temperature. The readings are transmitted directly to your measuring instrument via Bluetooth, making your measurements particularly convenient.

Testo · Sonde à hélice très précise (Ø 100 mm, numérique)
Ideal for air outlets in cleanrooms: use the high-precision vane probe (with the compatible measuring instrument) to measure even the lowest air velocities and volume flows as well as the temperature.

Testo · Sonde à pince avec capteur de température CTN
Use the clamp probe (NTC) (with the compatible measuring instrument) to carry out fast, precise measurement of the surface temperature of pipes.

Testo · Sonde CTN alimentaire (IP65) en acier inoxydable, câble PUR avec raccord TUC
Ideal for measuring the temperature of food: the temperature probe is made of hygienic stainless steel, is easy to clean and waterproof in accordance with IP65.

Testo · Sonde alimentaire CTN en acier (IP67), cordon PTFE résistant avec raccord TUC
The waterproof stainless steel food probe (with the appropriate measuring instrument) measures the core temperature of food.

Testo · Sonde boule chaude (Ø 3 mm, numérique)
The hot ball probe (in conjunction with the appropriate measuring instrument) is ideal for determining flow velocity and temperature.

Testo · Sonde d’ambiance robuste
Use the robust air probe (NTC) (with the compatible measuring instrument) to carry out quick, accurate measurements of the air temperature. The exposed sensor makes it possible to carry out temperature measurements with a short response time.

Testo · Sonde d'ambiance robuste , TC type K
Use the robust air temperature probe with exposed sensor (thermocouple type K) to measure air temperature with a short response time. It can be connected to a wide range of measuring instruments.

Testo · Sonde d’ambiance robuste à réaction rapide (numérique)
Short response time, high-precision temperature measurement: Use the robust, digital air probe (together with the compatible measuring instrument) to carry out quick, accurate measurements of the air temperature. The exposed sensor makes it possible to carry out temperature measurements with a short response time.

Testo · Sonde d''humidité et de température (numérique)
For measurements in storage, refrigeration and work rooms, in ventilation ducts and also on refrigeration systems and heat pumps: use the humidity/temperature probe (with the compatible measuring instrument) to measure relative humidity and air temperature. The readings are transmitted directly to your measuring instrument via Bluetooth, making your measurements particularly convenient.

Testo · Sonde d'humidité et de température (numérique)
For measurements in storage, refrigeration and work rooms, in ventilation ducts and also on refrigeration systems and heat pumps: use the humidity/temperature probe (with the compatible measuring instrument) to measure relative humidity and air temperature.

Testo · Sonde d'humidité et de température robuste (numérique)
For measurements in industrial exhaust air, in bulk materials and in climatic test cabinets: use the robust humidity/temperature probe (with the compatible measuring instrument) to measure relative humidity and air temperature up to +180 °C.

Testo · Sonde d'humidité et de température très précise (numérique)
For measurements in cleanrooms and laboratories, and critical processes in the pharmaceutical, industrial and food sectors, as well as in storage, refrigerated and work rooms or in air conditioning/ventilation ducts: use the high-precision humidity/temperature probe (with the compatible measuring instrument) to measure relative humidity and air temperature. The readings are transmitted directly to your measuring instrument via Bluetooth, making your measurements particularly convenient.

Testo · Sonde d'humidité et de température très précise (numérique)
For measurements in cleanrooms and laboratories, and critical processes in the pharmaceutical, industrial and food sectors, as well as in storage, refrigerated and work rooms or in air conditioning/ventilation ducts: use the high-precision humidity/temperature probe (with the compatible measuring instrument) to measure relative humidity and air temperature.

Testo · Sonde d'immersion / de pénétration (numérique)
High-precision temperature measurement: The digital penetration probe (with the compatible measuring instrument) takes measurements in liquids and pastes, with an accuracy of up to ±0.15 °C.

Testo · Sonde d'immersion/pénétration très rapide, étanche à l'eau <...
Super-quick, waterproof immersion/penetration probe, T/C Type K

Testo · Sonde d'immersion / de pénétration étanche
Use the waterproof immersion/penetration probe (with the compatible measuring instrument) to carry out fast, precise temperature measurements in liquids and semi-solid media.

Testo · Sonde d'immersion/pénétration étanche (TC type K)
The waterproof immersion and penetration probe guarantees fast temperature measurement in liquids and semi-solid media.

Testo · Sonde d'immersion / de pénétration très précise (numérique)
Outstanding accuracy: The high-precision Pt100 immersion/penetration probe (with the compatible measuring instrument) achieves a system accuracy of up to ±0.05 °C, with a resolution of 0.001 °C.

Testo · Sonde d'immersion précise, rapide et étanche (TC type K)
Fast, flexible and waterproof: the immersion probe is ideal for carrying out accurate immersion measurements in various liquids.

Testo · Sonde de CO (numérique)
For the detection of carbon monoxide in indoor areas: use the high-precision CO probe (with the appropriate measuring instrument) to measure the CO concentration. The readings are transmitted directly to your measuring instrument via Bluetooth, making your measurements particularly convenient.

Testo · Sonde de CO₂ (numérique)
For assessing indoor air quality: use the probe (with the compatible measuring instrument) to measure CO₂ concentration, humidity and air temperature. The readings are transmitted directly to your measuring instrument via Bluetooth, making your measurements particularly convenient.

Testo · Sonde de CO₂ (numérique)
For assessing indoor air quality: use the probe (with the compatible measuring instrument) to measure CO₂ concentration, humidity and air temperature.

Testo · Sonde de contact à ailettes à réaction rapide (TC de type K)
With the appropriate measuring instrument, the fast-reaction paddle surface probe enables reliable temperature measurements – even in places that are difficult to access, for example in narrow openings and cracks, thanks to flat, flexible tip.

Testo · Sonde de contact très rapide à lamelles, pour surfaces non p...
The extremely fast-action surface temperature probe with sprung thermocouple strip is suitable for a wide range of applications – including uneven surfaces.

Testo · Sonde de contact étanche avec tête de mesure élargie pour su...
Waterproof, robust and versatile: this temperature probe with sturdy probe shaft and widened measuring tip is ideal for measuring the temperature on flat surfaces.

Testo · Sonde de contact avec tête de mesure compacte (TC de type K)
Accurate, waterproof and versatile: the temperature probe measures surface temperatures of up to 1000 °C. Its small measuring head is ideal for carrying out measurements on flat surfaces. Short response time.

Testo · Sonde de contact très rapide, coudée, avec bande de thermoco...
Use this fast-action temperature probe to measure surface temperatures accurately and reliably, even in inaccessible areas – the angled probe tube makes this possible.

Testo · Sonde de contact étanche pour surfaces planes (CTN) avec raccord TUC
Thanks to its NTC sensor, the waterproof surface temperature probe delivers reliable, accurate measurement results even at low temperatures. For measurements on flat surfaces.

Testo · Sonde de laboratoire avec gaine en verre (numérique)
Measuring temperature in the laboratory: The digital Pt100 laboratory probe with replaceable glass sheathing (together with the compatible measuring instrument) takes measurements in corrosive media.

Testo · testo 300 ou 440
For the detection of carbon monoxide in indoor areas: use the high-precision CO probe (with the appropriate measuring instrument) to measure the CO concentration.

Testo · Sonde de mesure du degré de turbulence (numérique)
For determining the degree of turbulence and draught risk at workplaces: use the turbulence probe (with the compatible measuring instrument) to measure air velocity and air temperature.

Testo · Sonde de mesure pour hotte de laboratoire (numérique)
For measurements in fume cupboards: use the fume cupboard probe (with the compatible measuring instrument) to measure air velocity, volume flow and air temperature.

Testo · Sonde de pénétration alimentaire robuste avec raccord TUC
The robust food penetration probe (with the appropriate measuring instrument) measures the core temperature of food.

Testo · Sonde de température avec aimant (TC de type K)
Temperature probe with magnet for surface measurements on metal surfaces.

Testo · Sonde tuyau avec tête de mes. interchangeable pour Ø de conduits de 5...65 mm
The temperature probe with clamping bracket has a fast response time and is ideally suited for surface measurements on pipes.

Testo · Sonde de température avec Velcro (TC de type K)
Temperature probe with Velcro for surface measurements on pipes.

Testo · Sonde de température flexible (numérique)
Flexible and high-precision for temperature measurements: The digital temperature probe with flexible probe shaft (together with the compatible measuring instrument) is ideal for carrying out measurements in locations that are difficult to access and in liquids.

Testo · Sonde de température particulièrement rapide (TC de type K)
Exceptionally fast temperature probe with a large measuring range for measurements in air, liquids, pastes and on surfaces

Testo · Sonde étanche pour l'alimentaire, en acier (IP65) (TC type K)
With the appropriate measuring instrument, the food probe is ideal for the measurement of food temperatures. The temperature probe is made of hygienic stainless steel, is easy to clean and waterproof in accordance with IP65.

Testo · Sonde lux (numérique)
For measurements in workplaces, for example in offices or in production areas: use the lux probe (with the compatible measuring instrument) to measure illuminance.

Testo · Sonde magnétique destinée à des mesures sur surfaces métalliques
For the reliable contact measurement of surface temperatures: the magnetic probe (thermocouple type K) adheres to all metallic surfaces, all by itself.

Testo · Sonde pince pour mesure sur des conduits
Use the clamp probe (TC type K) for measuring the surface temperature on pipes.

Testo · Sonde tire-bouchon CTN pour produits surgelés sans pré-perçage avec raccord TUC
The frozen food probe (with the appropriate measuring instrument) measures the core temperature of frozen food.

Testo · Sonde pour tuyau avec capteur de température CTN
Use the pipe wrap probe (NTC) (with the compatible measuring instrument) to carry out fast, precise measurement of the surface temperature of pipes.

Testo · testo 115i
Combined with a smartphone or tablet, the testo 115i clamp thermometer is the ideal temperature measuring instrument for carrying out servicing and troubleshooting on refrigeration, air conditioning and heating systems, as well as for installing them. It can also be used to measure flow and return temperatures.

Testo · testo 405i
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:

Testo · testo 410i
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.

Testo · testo 510i
Handy and intelligent: the compact testo 510i differential pressure measuring instrument featuring professional measuring technology and smartphone operation for measuring differential pressure. Readings can be viewed conveniently on your smartphone/tablet via the testo Smart App and emailed directly.

Testo · testo 549i
The professional and compact testo 549i high-pressure gauge can be controlled via the testo Smart App using your smartphone or tablet, and is ideal for carrying out servicing and troubleshooting on air conditioning and refrigeration systems. The App also enables evaporation and condensation temperatures to be calculated automatically.

Testo · testo 605i
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.

Testo · testo 805i
Carry out non-contact and App-controlled measurement of wall temperatures, as well as fuse and component temperatures in air conditioning systems: with the professional testo 805i infrared thermometer with 8-point laser circle for highly visible measuring spot marking.

Testo · Tête de sonde à fil chaud avec capteur d''humidité et de température
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the hot wire probe head.

Testo · Tête de sonde à hélice de 100 mm
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the 100 mm vane probe head.

Testo · Tête de sonde à hélice de 100 mm très précise avec capteur de température
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the high-precision 100 mm vane probe head.

Testo · Tête de sonde à hélice de 16 mm avec capteur de température
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the 16 mm vane probe head.

Testo · Tête de sonde d'humidité et de température
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the humidity/temperature probe head.

Testo · Tête de sonde d'humidité et de température très précise
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the high-precision humidity/temperature probe head.

Testo · Tête de sonde de CO
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the CO probe head.

Testo · Tête de sonde de CO₂ avec capteur d'humidité et de température
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the CO₂ probe head.

Testo · Thermocouple flexible
Flexible thermoelectric couple with teflon coating (PTFE) for fast and easy measurement of the air temperature.

Testo · Thermocouple flexible
Flexible thermoelectric couple with glass fibre insulation for fast and easy measurement of the air temperature.

Testo · Thermocouple flexible
Flexible thermoelectric couple with TC plug and glass fibre insulation for fast and easy temperature measurement (with the appropriate measuring instrument).

Testo · Sonde à boule noire, Ø 150 mm, TC type K
The globe thermometer is suitable for the measurement of radiant heat – e.g. in the context of standard-compliant comfort level measurement at the workplace.

Testo · Bloc secteur avec fiche micro USB
USB mains unit incl. Cable 5 V, 1 A, 230 V, Micro-USB

Testo · Coude de 90° pour la connexion de sondes à hélice (Ø 100 mm)
The 90° angle makes it easy to correctly position vane probes (Ø 100 mm) with universal handle at ceiling outlets.

Testo · Imprimante mobile BLUETOOTH®/IRDA
Use the printer to print graphics and measurement data from compatible Testo measuring instruments or Testo Apps.

Testo · testo 440 et
Safely stow away and transport your equipment: the robust combi-case offers storage space for your testo 440 or testo 440 dP air velocity and IAQ measuring instrument and other probes.

Testo · Mallette pour la mesure du débit volumétrique
Safely stow away and transport your equipment: the robust service case offers storage space for your testo 440 or testo 440 dP air velocity and IAQ measuring instrument, other probes and practical accessories for measuring volume flow.

Testo · Manche télescopique pour sondes
Ideal for measurements on slanted ceiling outlets – thanks to the spherical head, the probe can be positioned at any angle up to 90°.

Testo · Poignée Bluetooth® universelle pour la connexion de têtes de sonde
Bluetooth handle for measurements without any bothersome cables: the readings are transmitted directly to your measuring instrument via Bluetooth. Combine the handle with different probe heads (please order separately) to easily expand your portfolio of probes.

Testo · Poignée universelle avec fil pour la connexion de têtes de sonde
Use the cable handle if Bluetooth® signals are not permitted: the readings are transmitted to the compatible measuring instrument via the fixed cable. Combine the handle with different probe heads (please order separately) to easily expand your portfolio of probes.

Testo · Rallonge (longueur de 0,4 à 0,9m) pour sondes de vitesse d’air
Use the telescope extension to easily extend the telescope for air velocity probes with universal handle – attain a total probe length of up to 2 m.

Testo · Set composé du cône de débit pour VMC et cône pour ventilation
Use the testovent 417 funnel set (in conjunction with the appropriate measuring equipment) for measuring the volume flow at ventilation grilles and plate outlets quickly and conveniently.

Testo · Télescope extensible (longueur jusqu’à 1 m) pour sondes d'écoulement
The extendable telescope with easy-to-read scaling makes it easier to carry out measurements in ventilation ducts. Thanks to the supplied 90° angle, you can even carry out convenient measurements at ceiling outlets. Use the handle adapter to attach the telescope to air velocity probes with a universal handle with Bluetooth®or cable.

Testo · testo 318
The high-quality testo 318 endoscope enables simple optical inspection and effortless removal of sources of interference in areas that are difficult to see.

Testo · testovent 417
The flow straightener set with the patented testovent 417 volume flow straightener and two funnels (in conjunction with the appropriate measuring equipment) offers you ideal assistance when measuring the volume flow at swirl outlets.

Testo · Tête de sonde à fil chaud avec capteur d''humidité et de température
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the hot wire probe head.

Testo · Tête de sonde à hélice de 100 mm
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the 100 mm vane probe head.

Testo · Tête de sonde à hélice de 100 mm très précise avec capteur de température
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the high-precision 100 mm vane probe head.

Testo · Tête de sonde à hélice de 16 mm avec capteur de température
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the 16 mm vane probe head.

Testo · Tête de sonde d'humidité et de température
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the humidity/temperature probe head.

Testo · Tête de sonde d'humidité et de température très précise
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the high-precision humidity/temperature probe head.

Testo · Tête de sonde de CO
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the CO probe head.

Testo · Tête de sonde de CO₂ avec capteur d'humidité et de température
More applications, less equipment: if you already own one of our probes with a universal handle, you can easily expand your portfolio of probes with the CO₂ probe head.

Testo · Trépied pour la mesure du confort thermique
Ideal for standard-compliant IAQ and comfort measurements: use the measuring tripod for IAQ and comfort level measurements to position the compatible measuring instrument and the probes (please order separately) in compliance with the standards at all times.

Testo · Trépied pour les mesures de l’écoulement
Check the flow velocity in laminar flow cabinets quickly, easily and reliably. The height-adjustable measuring tripod allows you to position your probes in conformity with the standards.

Testo · testo 440
Kit for carrying out measurements in laboratories: The testo 440 air velocity & IAQ measuring instrument and the glass-coated, digital laboratory probe (Ø 6 mm) with Pt100 temperature sensor are all safely stowed away in the case. So you can get down to work straight away!

Testo · testo 400
Reliably and precisely evaluate heat load at workplaces: In combination with the universal IAQ measuring instrument testo 400, the kit allows you to determine the Wet Bulb Globe Temperature (WBGT). The kit is ideal for use in the steel and construction industries, at sports events and at workplaces with high heat irradiation.

Testo · testo 400
The testo 400 is a universal measuring instrument for all professional HVAC technicians. Measure, analyse and document all parameters relating to air conditioning, ventilation and thermal comfort with a single instrument – simply, conveniently and in compliance with standards. The high quality of the instrument, intuitive measurement assistants, extensive documentation options and a wide choice of climate probes make the testo 400 the perfect partner for your daily work.

Testo · testo 400 Kit de confort thermique avec trépied
Ideal kit for professional HVAC technicians, designed especially for indoor air quality and thermal comfort. You receive the testo 400 universal IAQ and air flow measuring instrument with intuitive measurement menus, a CO2 probe (wired), a turbulence level probe and a Ø 150 mm globe thermometer (both with fixed cable). Use the measuring tripod for standard-compliant positioning of the probes. Long-term measurements of up to 2 weeks can be recorded with the IAQ data logger, even without the IAQ and air flow measuring instrument.