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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 filling tubes, 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 filling tubes, 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 refrigeration gauges instantly displays superheat and sub-cooling for up to 60 refrigerants. It also measures high / low side pressures and temperatures. With its free Bluetooth linked App, the Testo 550 opens up new possibilities for efficient analysis and documentation. 

• 60 Built in refrigerants 

• Additional 12 month (3 year) product
  warranty with registration 

• On-site Reporting/ Monitoring Via Testo Refrigeration App 

• Simplified menu structure 

Compact, accurate & reliable. The testo 174H Mini Humidity Data Logger measures and logs the air temperature and relative humidity in storage rooms and offices all year round. 

• Large memory 16,000 Readings 

• Large display

• Display of temperature,humidity & dew point 

• Free data logger software available for download 

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 filling tubes, 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 filling tubes, 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.

• 60 Built in refrigerants 

• External vacuum probe for faster and more reliable evacuation of the system 

• 4-way valve block with 1/4 in. and 3/8 in. ports 

• Additional 12 month (3 years) product
  warranty with registration 

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.

• 2 in 1 Temperature and humidity measurement 

• Calculation of dew point 

• Illuminated display 

• Max./min. display 

The Testo 175H1 is a compact professional data logger for monitoring of Temperature, Humidity & Dew Point.The external temperature & humidity probe creates faster reaction times in comparison to other temperature & humidity data loggers that are available in the market. 

• Dual measurements (1 internal, 1 external)
  for ambient temperature & humidity monitoring 

• Large memory, 1 Million Readings 

• Data transfer possible using the USB port
  or SD card (Optional) 

• Free data logger software available for download 

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.

• Large memory 16,000 Readings 

• Simple and large easy to read display 

• Free data logger software available for download 

• IP65 protection class 

The HACCP certified testo 925 probe thermometer is a one channel temperature measuring instrument for connection to reliable, fast-action type K thermocouple probes. Measurement data as well as max/min data can be printed on site on the Testo fast printer. The 925 also has the option of a TopSafe protective case, which protects from dirt, water and impact. 

• Fast reaction times 

• Audible alarm, user-defined thresholds 

• HACCP Certified 

• Clear 2 line display 

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 AC & refrigeration test kit is ideally suited for testing air conditioning and refrigeration systems and installing them. The large testo HVAC softcase enables the measuring instruments to be conveniently transported and ensures that they are always to hand when they are needed.

• Fast and simple installation of the testo 549i high-pressure measuring instrument directly onto the pressure connection

• Low refrigerant loss thanks to hoseless application

• Automatic calculation of evaporation and condensation temperatures and simple selection from more than 80 refrigerants via testo Smart Probes App

• Large testo HVAC softcase: store additional testo Smart Probes for further applications in the heating, air conditioning and ventilation field safely

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 Tools App 

The Testo 104-IR food safety thermometer is ideal for carrying out temperature and food safety checks. And because it fits snugly in any pocket, it’s always there when you need it to carry out checks on incoming goods, spot checks during transport or food inspections in the retail industry. 

• 2 in 1 integrated probe and infrared laser 

• Waterproof housing (IP65) 

• HACCP Certified 

• For carrying out surface and core temperature measurements 

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.

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

• Extendable telescopic probe 

• Single & multi-point averaging 

• Hold button to freeze readings 

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.

• Adjustable emissivity from 0.2 to 1.0 

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

• Audible/visual alarm 

• Backlit display 

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

• Large memory, 1 Million Readings 

• Data transfer possible using the USB port
  or SD card (Optional) 

• Simple and large easy to read display 

• IP65 proection class 

The testo 625 Humidity Meter comes into its own all-in 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. 

• 2 in 1 Temperature and humidity
  measurement

• Calculation of dew point & Wetbulb 

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

• Integrated longlife moisture meter for lasting quality 

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

• Sensor designed based on the spectral sensitivity of the human eye 

• Quick readouts 

• Protective cap for safe storage 

• Compact and robust design 

Non-contact measurement on tightly packed cables is really easy and reliable with the testo 770-3 clamp meter. Its innovative grab mechanism will make your work easy. The most powerful model in the clamp meter series, it offers lots of additional functions for those challenging tasks that you are faced with on a daily basis, e.g. communication with the smartphone app via Bluetooth.

• Easy to operate thanks to the fully retractable pincer arm

• Auto AC/DC and large two-line display

• Improved TRMS method

• Bluetooth connection to your smartphone (with the testo Smart Probes App)