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The practical kit makes it even easier to work on air conditioning and refrigeration systems: the testo 550 digital manifold, including set of 3 hoses, enables you to get down to work straight away! The instrument can be used for 60 refrigerants, calculates superheating/subcooling automatically and can be connected to your smartphone/tablet via the testo refrigeration App. Thanks to the App, the display and documentation of the measurement results are particularly convenient.

• Extensive accessories included: set of 3 hoses, 2 x clamp temperature probes and transport case

• Automatic superheating/subcooling calculation for 60 refrigerants: no more need for error-prone manual calculations

• With a practical App: (remote) display, graphical progression display, documentation of readings and refrigerant updates

• Temperature-compensated leakage test

The testo 550 digital manifold can now make working on refrigeration systems and heat pumps even easier: the instrument can be used for 60 refrigerants, calculates superheating/subcooling automatically and can now also be connected to a practical smartphone/tablet app. The app makes the operation and the documentation of measurement results significantly more convenient.

• Automatic superheating/subcooling calculation: no more need for manual calculations, which are prone to error

• With a practical app: (remote) display, graphical progress display, documentation of readings

• Temperature-compensated leakage test

• 60 current refrigerants are included in the manifold (update possible via app)

Compact, accurate, reliable: the testo 174H mini data logger measures and logs the air temperature and relative humidity in storage rooms and offices 24/7/365.

• Memory for up to 16 000 temperature and humidity measurements

• Longlife humidity sensor for reliable and accurate measurements

• Easy data transfer via USB cable, practical data analysis and logging on PC

• Free software download (ComSoft Basic)

Practical kit for work on air conditioning and refrigeration systems, as well as on heat pumps: the testo 557 digital manifold, including set of 4 hoses, enables you to get down to work straight away! The testo 557 digital manifold fulfils numerous functions in just one instrument: including superheating/subcooling calculation, vacuum measurement and temperature-compensated leakage test. You can also use a practical App to monitor the manifold via your smartphone/tablet and to store the measurement results or send them by e-mail.

• Extensive accessories included: set of 4 hoses, 2 x clamp temperature probes, precise external Pirani gauge for vacuum measurement and transport case

• Calculation of superheating and subcooling in real time for 60 refrigerants: no error-prone manual calculation

• Connection to smartphone/tablet App: remote monitoring, clever measurement documentation and refrigerant updates

• Temperature-compensated leakage test, automatic ambient pressure measurement

The testo 557 digital manifold fulfils numerous functions, which are required for working on refrigeration systems and heat pumps, in just one instrument: for example superheating/subcooling calculation, vacuum measurement, temperature-compensated leakage test. You can also use a practical app to monitor the manifold via your smartphone/tablet and store the measurement results or send them by e-mail.

• Calculation of superheating and subcooling in real time: no manual calculation, which is prone to error

• Connect to smartphone/tablet app: remote monitoring and smart measurement documentation

• Precise external Pirani gauge for vacuum measurement, temperature-compensated leakage test, automatic ambient pressure measurement

• The 60 most common refrigerants are stored in the instrument, subsequent updates possible (via app)

Differential pressure measurement on gas hot water heaters or on filters of air conditioning systems, and also flow measurements in ventilation ducts using a Pitot tube: the compact testo 510 differential pressure measuring instrument, which comes with a silicone connection hose and other useful accessories, can help you maintain and install systems in the sanitary and HVAC sector.

• 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 

The testo 608-H1 thermohygrometer enables you to have a continuous display of the current temperature and humidity values. This means you can always keep an eye on the indoor climate.

• Continuous measurement and display of temperature and relative humidity

• Calculation and display of the dew point

• Large, clear display

• Durable quality: capacitive humidity sensor with long-term stability for many years of measurement

Saving energy, archiving, storing goods, creating a comfortable indoor climate – if you can’t analyze the temperature and humidity, you won’t get optimal results. The testo 175 H1 is designed to carry out reliable long-term measurements and log these crucial values for you.

• Shorter reaction times and accurate measurements with external humidity sensor

• Round-the-clock monitoring and logging of temperature, relative humidity and dew point

• Super-size memory for long-term measurements and up to 1 million readings, battery life 3 years

• Free software download (ComSoft Basic)

The testo 174T mini temperature data logger is ideal for continuous monitoring of storage temperature, for example of food or pharmaceutical products. It is also suitable for temperature control in refrigerators or cold stores.

• Measurement data memory for 16 000 temperature readings, approx. 500 days of battery life

• High data integrity, even with an empty battery

• Waterproof according to IP 65, HACCP-compliant and certified according to EN 12830

• Data analysis: three possible software versions to choose from, basic software available as a free download

This temperature measuring instrument is particularly practical because it enables virtually any kind of temperature measurement. Whether for surface, air or immersion/penetration measurement: with the testo 925 you can rely on our all-rounder in heating engineering, the sanitation sector and refrigeration and air conditioning technology.

• An attachable temperature probe and a radio temperature probe can be connected

• Large range of fast temperature probes on offer for surface, air or immersion/penetration measurement (optional)

• Continuous display of min./max. values

• Acoustic alarm sounds when limit values are exceeded

A visual or odour check is not sufficient to verify whether the quality of the cooking oil is still good. Chain restaurateurs with the testo 270 cooking oil tester only need to change the cooking oil once critical TPM values are reached. This saves them from changing the cooking oil more frequently than is necessary, enabling them to also benefit from the associated cost savings.

• Capacitive oil sensor from Testo, together with its needs-based design, make it possible to take measurements in hot oil (user is protected from the heat of the deep fat fryer)

• IP 65: protected against water jets without a protective cover

• Clear, visual alarm indication via highly-visible alarm backlight in traffic light colours

• Washable case for hygienically stowing away at the application site

The testo Smart Probes Refrigeration set is ideal for carrying out servicing and troubleshooting on air conditioning and refrigeration systems, as well as for installing them. The robust testo Smart Case enables the measuring instruments to be conveniently transported and ensures that they are always to hand when needed.

• Low refrigerant loss thanks to hose-free application

• Quick and easy installation directly at the pressure connection

• Easy refrigerant selection

• Automatic calculation of the evaporation and condensation temperature via testo Smart Probes App

Incoming food, food on display, food in storage: the testo 104-IR infrared probe thermometer allows you to carry out quick and reliable temperature and food safety checks in the course of your busy working day. Ideal for use in the food sector, restaurants and the retail industry.

• For carrying out surface and core temperature measurements

• Infrared measuring instrument with laser marking and penetration probe

• Durable and practical: rugged folding joint, waterproof housing (IP65), fits snugly in any pocket

• HACCP / EN 13485 compliant

Extremely precise, rugged and practical: the testo 552 digital vacuum gauge. Ideal for evacuating refrigerant systems or heat pumps.

• Measurement data monitoring via testo Smart Probes App

• Measurement data dispatch via testo Smart Probes App

• Extremely precise, extremely rugged, extremely practical – with visual alarm and backlit display

• Measures pressure and calculates the evaporation temperature of H₂O automatically

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

The testo 830-T1 infrared thermometer allows efficient, non-contact surface temperature measurements to be carried out. The IR thermometer will leave you well equipped, especially for control readings in trade and industry: The gun-style design is easy to handle and the integrated processor provides accurate measurement results.

• Infrared thermometer for non-contact surface temperature measurements

• 10:1 optics and high resolution processor for accurate measurement results

• Easy to use thanks to the gun-style design

• Adjustable emission level

The testo 175 T1 temperature data logger is ideal for monitoring storage temperatures and long-term monitoring. It is certified for use in food environments and measures and logs temperatures constantly and reliably.

• Ideal for long-term measurements. Can save up to 1 000 000 readings. Battery life up to 3 years

• Wall mount

• HACCP and EN 12830 compliant, IP 65 protected

• Data analysis on PC: three software options to choose from; Basic software as free download

The testo 106 food thermometer is now available as a practical kit with useful accessories including a waterproof case and clip!

• Ideal for measuring the core temperature of food: HACCP compliant and EN 13485 certified when used with the TopSafe protective case

• Further benefits which the TopSafe protective case has to offer: waterproof and dirt resistant, IP67 rated, dishwasherproof

• Visual and audible alarm that warn when thresholds are exceeded

• Further benefits which the kit has to offer: you have all the accessories you need, i.e. clip and sensor protective cap for safe storage

The testo 625 thermohygrometer comes into its own in all situations where the right indoor climate is crucial, for example in archives, storerooms, greeenhouses and buildings. The testo 625 also calculates the dew point and wet bulb temperature quickly and accurately.

• Measures air temperature and relative humidity

• Calculates dew point and wet bulb temperature

• Displays min and max values, hold function, power off mode

• Integrated longlife moisture meter for long lasting quality

The testo 540 light meteris a quick and easy-to-use entry level model designed for measuring lighting conditions in the workplace.

• For quick ‘n easy measurements in the workplace

• Sensor is modelled on the spectral sensitivity of the human eye

• Hold function, min/max values

• Protective cap for safe storage