• 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

• Completely wireless measurements and all results at a glance: thanks to Bluetooth probes and large graphic display
• Exceptionally compact and reliable thanks to the easy-to-handle, robust housing with IP 54 protection class
• Easy, wireless, flexible measurements and documentation: Temperature and vacuum measurements via automatic Bluetooth^® connection, testo Smart App for documentation and lots more
• In the kit: testo 557s smart digital manifold with Bluetooth and 4-way valve block, 1 x testo 552i wireless vacuum probe (Bluetooth), 2 x testo 115i wireless clamp temperature probes (Bluetooth, NTC), case

• Infrared thermometer for non-contact measurement of surface temperatures
• Accurate results thanks to its 30:1 optics and high resolution processor
• One-handed operation is easy thanks to the gun-style design

The testo 830-T4 infrared thermometer also achieves accurate results at greater distances during non-contact surface temperature measurement. This is provided by its 30:1 optics and powerful processor. The infrared temperature measuring instrument carries out measuring tasks in trade and industry quickly and efficiently.

• Reliable IR measurement up to 600 °C 

• IR measurements from a safe distance

• Memory for up to 200 readings; easy analysis with free-to-download software

• 4-point-laser and 50:1 optics for precise measurements over greater distances 

The practical infrared thermometer testo 835-T1 offers maximum safety and precision when measuring the temperature of smaller objects from a medium distance.

• Best image quality: IR resolution of 320 x 240 pixels (with SuperResolution 640 x 480 pixels); NETD < 40 mk

• Practical: testo SiteRecognition intelligent image management, testo ScaleAssist automatic contrast adjustment, intuitive professional software testo IRSoft for analyses and documentation

• Full control: Manual focus and interchangeable lenses

• In the kit: testo 883 thermal imager including standard lens 30° x 23°, telephoto lens 12° x 9°, spare battery, battery-charging station and case

• Application-specific measurement menus for superheating/subcooling, target superheat, heating/cooling power

• More than 90 common refrigerants plus refrigerant updates in the testo Smart Probes App

• 100 m Bluetooth^® range for particularly flexible applications

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

• 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 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.

• 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.