• Ideal for measuring the pH value of semi-solid media, viscous and protein-containing foodstuffs (eg. processed cheese, fruit) and water-mixed solid cooling lubricants

• Temperature measurements with integrated temperature sensor possible

• Maintenance-free gel electrolyte

• The set contains essential accessories, which you will always have to hand: calibration dosing bottles, TopSafe protective case, aluminium case, etc.

All in one package: with the testo 206-pH2 starter set, you will be ideally equipped to measure the pH and temperature in semi-solid media – set includes pH/temperature measuring instrument, calibration dosing bottles, TopSafe protective case, aluminium case plus other accessories.

• Ideal for measuring the pH value of liquids
•  The integrated temperature probe enables automatic temperature compensation       

• Maintenance-free gel electrolyte

• Robust, waterproof and dishwasher-safe protective case (TopSafe, protection class IP68) 

• Ideal for measuring the pH value of liquids
• Temperature measurement is feasible thanks to the integrated temperature probe
• The TopSafe protective case ensures that the pH/temperature measuring instrument is robust and waterproof
• The set contains essential accessories, which you will always have to hand: calibration dosing bottles, TopSafe protective case, aluminium case, etc.

• Ideal for measuring the pH value of semi-solid media, viscous and protein-containing foodstuffs (eg. processed cheese, fruit) and water-mixed solid cooling lubricants

• Temperature measurements with integrated temperature sensor possible

• Maintenance-free gel electrolyte

• Durable waterproof and dishwasher safe protective case

The testo 206-pH2 pH meter allows you to measure the pH value and temperature of semi-solid media safely and reliably. Ideal for laboratories, industrial production processes and the food industry

• Smart, intuitive measurement programs including HVAC grid measurement as per EN ISO 12599 and ASHRAE 111, PMV/PPD and turbulence as per EN ISO 7730 and ASHRAE 55

• High-precision, location-independent and integrated differential pressure sensor

• Measure all IAQ-related parameters – with our wide range of probes for all IAQ measurements

• Document measuring values directly on the customer's site and send them by e-mail, or further analyze them using the testo DataControl PC software

The testo 400 is the universal measuring instrument for all IAQ professionals. Measure, analyze and document all IAQ and comfort level parameters using just one instrument – simply, conveniently and in compliance with the standards. High-quality measuring technology, intuitive measurement assistants, versatile documentation options and a comprehensive selection of IAQ probes make the testo 400 the perfect partner for your day-to-day work.

• 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 protocol and batteries included
• Vane anemometer with telescopic sensor – ideal for carrying out airflow measurements in air ducts.

• Compact anemometer with integrated 100 mm vane
• For measuring air flow, volumetric flow rate and temperature
• Ideal for carrying out measurements at air inlets and outlets
• For carrying out measurements at disk valves, ventilation grilles and ceiling diffusers using optionally available accessories

• Measurement of high and low pressure
• Low refrigerant loss – since no hoses are required for measurements
• Measurement data displayed in the form of a graph or table, and sent via testo Smart Probes App
• Problem-free application at measuring points that are a long distance apart thanks to Bluetooth^® range up to 100 m
• The professional and compact testo 549i high-pressure gauge can be controlled via the testo Smart Probes 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.

• 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 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 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

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.

• 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 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.

• For all measurements involving heating, air-conditioning, refrigeration and ventilation systems

• All Smart Probes for temperature, pressure, humidity and flow in one kit

• Display of measurement data progression as a graph or table

• Transmission and analysis of measurement data via testo Smart Probes App

• 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