The testo 108 Digital Food Thermometer is a compact and robust instrument designed for rapid and accurate temperature measurements in the food industry. Featuring a wide measuring range and compatibility with Type T and K thermocouple probes, it ensures reliable readings across various applications. Its IP67-rated protection allows for easy cleaning under running water, making it suitable for demanding environments. The user-friendly design includes a large display and intuitive controls, facilitating quick spot checks during food production, processing, and storage.​

The Food Retail Starter Set provides everything you need for quick food safety checks and automated temperature monitoring in one convenient kit. It includes the testo 108 Digital Food Thermometer for fast and accurate core temperature readings, five testo 164 T1 Mini Online Data Logger units and a Testo UltraRange Gateway to automatically monitor and record fridge and freezer temperatures in the Testo Saveris Cloud, meaning you never need to manually log temperatures again. The kit also includes a FREE Testo 805 Mini Infrared Thermometer with TopSafe case (worth &pound;65) for quick, non-contact surface temperature checks, giving food retailers a simple, reliable solution for maintaining food safety, saving staff time, and staying inspection-ready.

The Saveris base is the heart of our professional testo Saveris data logger system. It receives the measurement data from up to 150 probes, then evaluates and documents them. So that you are informed in good time about any limit value violations, the Saveris base with GSM module triggers an alarm: by SMS to your mobile or via alarm relay to lights or horns.

The testo 175 T3 temperature logger with its two connections for external thermocouple probes is a good idea when you would like to record your temperatures at two locations in parallel: for example when measuring the flow and return temperature on radiators. The readings are securely saved in the temperature logger and are available for later measurement data analysis and documentation.

The testo 176 T3 temperature data logger is ideal for monitoring temperature values in production processes. Its robust metal housing makes it ideal for use in the industrial sector. With inputs for four thermocouple probes, it can measure at up to four points in parallel.

The testo 176 T4 data logger can measure the temperature at up to four different measurement sites simultaneously. It also has a super size memory for up to 2&#x202F;000&#x202F;000 readings, an exceptionally wide measurement range and is compatible with a number of different thermocouple elements making it ideal for professional use in a variety of different fields.

The testo 440 is a multifunctional air velocity and IAQ measurement instrument designed for professionals working in ventilation, air conditioning, and indoor environmental quality. It allows for precise, reliable, and standard-compliant measurements across a wide range of applications, from duct airflow to long-term CO₂ monitoring and comfort level analysis.

The testo 440 100 mm Vane Kit with Bluetooth&reg; offers a complete, wireless solution for measuring volume flow, air velocity, temperature, and humidity at air outlets. Ideal for HVAC professionals, the kit includes a multifunction measuring instrument and a Bluetooth&reg; vane probe, securely housed in a durable case for immediate, on-site use.

The testo 440 16 mm Vane Kit offers precise measurement of air velocity, volume flow, and IAQ parameters in ventilation ducts. Featuring a compact multifunction instrument and a telescopic vane probe, it&#39;s ideal for HVAC professionals who need reliable, flexible, and wireless measurements.

The testo 440 Air Flow ComboKit 1 with Bluetooth&reg; is a versatile, ready-to-use solution for air velocity and flow measurements in ducts and at outlets. It includes a multifunction instrument, hot wire and 100 mm vane probes (with Bluetooth&reg;), plus a telescopic extension&mdash;making it ideal for HVAC professionals focused on precise ventilation assessments.

The testo 440 Air Flow ComboKit 2 with Bluetooth&reg; is an advanced air velocity measurement kit designed for precise ventilation assessments in ducts and at outlets. It includes the testo 440 multifunction instrument, a 100 mm vane probe with Bluetooth&reg;, a 16 mm vane probe with telescopic extension, and a durable case&mdash;ideal for HVAC professionals who need flexibility and accuracy on the job.

The testo 440 CO₂ Kit with Bluetooth&reg; is the ideal solution for precise monitoring of indoor air quality. With a CO₂ probe featuring integrated temperature and humidity sensors, plus Bluetooth&reg; connectivity and intuitive operation, this kit is perfect for facility managers, HVAC professionals, and indoor climate specialists.

The testo 440 Hot Wire Kit is a versatile and professional measuring solution designed for accurate monitoring of air velocity, temperature, and IAQ parameters in ventilation ducts. It includes a multifunction instrument and a telescopic hot wire probe, ideal for HVAC and indoor air quality assessments.

The testo 440 Humidity Kit with Bluetooth&reg; provides a complete and accurate solution for monitoring temperature and humidity in various environments including storage areas, HVAC ducts, and refrigeration systems. This user-friendly kit combines the testo 440 multifunction instrument and a Bluetooth&reg; humidity/temperature probe, all stored in a compact, ready-to-use case.

The testo 440 Indoor Comfort ComboKit with Bluetooth&reg; is a complete measurement solution for assessing indoor air quality and comfort levels in workplaces. It includes the testo 440 instrument, a Bluetooth&reg; CO₂ probe with temperature and humidity sensors, and a turbulence probe, all packed in a convenient carrying case. This kit provides reliable measurements for CO₂ concentration, temperature, humidity, and turbulence, ideal for evaluating comfort and air quality in indoor environments.

The testo 440 Lux Kit is a compact, precise solution for measuring illuminance in workspaces. With standard-compliant accuracy and an intuitive interface, it&rsquo;s ideal for evaluating lighting conditions across offices, production areas, and more. The included lux probe and multifunctional measuring instrument come neatly packed in a sturdy case for immediate use.

Precise, reliable measurement of all air velocity and IAQ parameters with the testo 440 dP: the multifunction measuring instrument features an integrated differential pressure sensor and intuitive operation with clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality or carrying out comfort level measurements &ndash; thanks to versatile options for combining with high-quality, digital probes, you are ideally equipped to carry out your measuring task (please order probes separately).

The testo 440 delta P Air Flow ComboKit 1 with Bluetooth&reg; provides a complete, wireless solution for measuring air velocity, differential pressure, humidity, and temperature in ventilation ducts and at air outlets. It includes the testo 440 IAQ measuring instrument, a 100 mm vane probe, a hot wire probe (&Oslash; 9 mm), and a differential pressure sensor, all stored in a convenient, rugged carrying case.

The testo 440 delta P Air Flow ComboKit 2 with Bluetooth&reg; is a versatile, all-in-one solution for measuring air velocity, differential pressure, humidity, and temperature in ventilation ducts, air outlets, and workrooms. The kit includes the testo 440 IAQ measuring instrument, two vane probe heads (&Oslash; 100 mm and &Oslash; 16 mm), a humidity/temperature probe head, and a differential pressure sensor. All components are stored in a durable carrying case for easy transport.

The testo 440 Laboratory Kit (Product no. 0563 4412) is designed for precise climate measurements in laboratory environments. It features a Pt100 temperature sensor for accurate temperature readings, a comprehensive range of measurement options, and wireless connectivity with Bluetooth&reg; probes for seamless data collection and management. The kit is expandable with additional probes and comes with a structured, easy-to-use measurement menu.

The kit for app-controlled, wireless measurements and digital documentation on your smartphone. You will get the testo 550i app-controlled digital manifold with Bluetooth, 2-way valve block and sturdy hook. For wireless temperature measurement on either flow/return pipework or for superheat/subcooling calculation, the 2 x testo 115i Smart Probes supplied allow simple and effective measurement, and the testo 770-3 clampmeter can be used for compressor current measurenet and other electrical testing. You&rsquo;ll be ideally equipped to carry out your measuring tasks on either monobloc or split system Heat Pumps ,and the kit can also be used for general refrigeration and air-conditining service applications as well.

The kit for app-controlled, wireless measurements and digital documentation on your smartphone. You will get the testo 550i app-controlled digital manifold with Bluetooth (with sightglass), 2-way valve block and sturdy hook. For wireless temperature measurement on either flow/return pipework or for superheat/subcooling calculation, the 2 x testo 115i Smart Probes supplied allow simple and effective measurement, and the testo 770-3 clampmeter can be used for compressor current measurenet and other electrical testing. You&rsquo;ll be ideally equipped to carry out your measuring tasks on either monobloc or split system Heat Pumps ,and the kit can also be used for general refrigeration and air-conditining service applications as well.

With this kit, you&rsquo;ll be ready to start your measurements in the commissioning, servicing and maintenance of &nbsp;heat pumps, refrigeration, or air-conditioning systems straight away: You will get the testo 550s smart digital manifold with Bluetooth and 2-way valve block, two testo 115i bluetooth temperature pipe clamp probes allow simple measurement of superheat and subcool values. The testo 770-3 clampmeter can be used for compressor current measurement, and completing the package is the testo 560i digital refrigerant scales for accurate and effective charging of refrigerants via weight.

With this kit, you&rsquo;ll be ready to start your measurements in the commissioning, servicing and maintenance of &nbsp;heat pumps, refrigeration, or air-conditioning systems straight away: You will get the testo 557s smart digital manifold with Bluetooth and 4-way valve block, two testo 115i bluetooth temperature pipe clamp probes allow simple measurement of superheat and subcool values whilst the testo 552i Vaccum smart probe provides bluetooth measurement during system evacuation procedure. The testo 770-3 clampmeter can be used for compressor current measurement, and completing the package is the testo 560i digital refrigerant scales for accurate and effective charging of refrigerants in conjunction with the Testo smart valve.

Start your wireless measurements on refrigeration and air conditioning systems and heat pumps straight away with the testo 558s Heat Pump Kit. This all-in-one solution includes the testo 558s digital manifold, 2x testo 115i temperature clamps, testo 552i vacuum probe, testo 560i refrigerant scale with valve, and the testo 770-3 clamp meter, giving you the ideal tools for precise and efficient servicing and maintenance. 
The testo 558s features intuitive touchscreen operation, clear measurement graphs on a large color display, and key-based controls for easy use&mdash;even with gloves. Designed for maximum flexibility, it supports Bluetooth connectivity to wireless temperature and vacuum probes, enabling seamless data transfer and real-time monitoring. 
With A3 and A2L refrigerant compatibility, an IP54-rated rugged design, and a hybrid power system using both rechargeable and non-rechargeable batteries, the testo 558s Heat Pump Kit is built for every challenge.

Start your wireless measurements on refrigeration and air conditioning systems and heat pumps straight away with the testo 558s Heat Pump Kit + hoses. This all-in-one solution includes the testo 558s digital manifold, 2x testo 115i temperature clamps, testo 552i vacuum probe, testo 560i refrigerant scale with valve, testo 770-3 clamp meter, and our hose set,&nbsp;giving you the ideal tools for precise and efficient servicing and maintenance. 
The testo 558s features intuitive touchscreen operation, clear measurement graphs on a large color display, and key-based controls for easy use&mdash;even with gloves. Designed for maximum flexibility, it supports Bluetooth connectivity to wireless temperature and vacuum probes, enabling seamless data transfer and real-time monitoring. 
With A3 and A2L refrigerant compatibility, an IP54-rated rugged design, and a hybrid power system using both rechargeable and non-rechargeable batteries, the testo 558s Heat Pump Kit is built for every challenge.

Start your measurements on refrigeration and air conditioning systems and heat pumps straight away with the testo 558s Heat Pump Kit. This all-in-one solution includes the testo 558s digital manifold, 2x testo 115i temperature clamps, testo 552i vacuum probe, testo 560i refrigerant scale with valve, and the testo 770-3 clamp meter, giving you the ideal tools for precise and efficient servicing and maintenance. 
 
The testo 558s features intuitive touchscreen operation, clear measurement graphs on a large color display, and key-based controls for easy use&mdash;even with gloves. Designed for maximum flexibility, it supports Bluetooth connectivity to wireless temperature and vacuum probes, enabling seamless data transfer and real-time monitoring. 
With A3 and A2L refrigerant compatibility, an IP54-rated rugged design, and a hybrid power system using both rechargeable and non-rechargeable batteries, the testo 558s Heat Pump Kit is built for every challenge.

Start your wireless measurements on refrigeration and air conditioning systems and heat pumps straight away with the testo 558s Heat Pump Kit + 4-piece hose set. This all-in-one solution includes the testo 558s digital manifold, 2x testo 115i temperature clamps, testo 552i vacuum probe, testo 560i refrigerant scale with valve, testo 770-3 clamp meter, and our updated 4-piece hose set,&nbsp;giving you the ideal tools for precise and efficient servicing and maintenance. 
The testo 558s features intuitive touchscreen operation, clear measurement graphs on a large color display, and key-based controls for easy use&mdash;even with gloves. Designed for maximum flexibility, it supports Bluetooth connectivity to wireless temperature and vacuum probes, enabling seamless data transfer and real-time monitoring. 
With A3 and A2L refrigerant compatibility, an IP54-rated rugged design, and a hybrid power system using both rechargeable and non-rechargeable batteries, the testo 558s Heat Pump Kit is built for every challenge.

The testo 558s Ultimate Refrigeration Kit is the premier all-in-one solution for HVAC/R professionals, delivering a completely digital and wireless workflow for commissioning, servicing, and maintaining air conditioning and refrigeration systems. At the heart of the kit is the testo 558s Digital Manifold, featuring a user-friendly touchscreen display for intuitive control and on-the-spot analysis of pressures, superheat, and subcooling. The kit&#39;s other components, including the testo 115i Clamp Thermometers and the testo 552i Vacuum Probe, seamlessly connect to the manifold via Bluetooth, eliminating the need for cumbersome hoses and cables.

The testo 635-1 is a professional temperature and humidity measuring instrument designed for precise climate monitoring in various environments. It supports multiple probe types, calculates dew point and absolute pressure, and features wireless measurement data transfer. With robust construction and an intuitive display, it&rsquo;s perfect for applications in production, storage, HVAC systems, and more.

The testo 635-2 is a high-performance thermohygrometer designed for precise climate monitoring across multiple applications. With support for temperature, humidity, material moisture, and pressure dew point measurements, it features expandable sensor connectivity and a large memory for 10,000 readings. The included USB interface and PC software allow seamless data logging and analysis, making it an essential tool for HVAC professionals, facility managers, and quality control experts.

If you need a measuring instrument for accurate temperature measurement or you would like to measure the temperature in several locations simultaneously, the testo 735-1 is the ideal equipment for you. The wide selection of optional probes enables flexible use of the temperature measuring instrument, for example to calibrate stationary temperature probes, in the electronics and food industries or in laboratories.

Calibration of static temperature sensors, temperature measurements in the cosmetics industry, chemical laboratories, the field of cooling and refrigeration technology, the food industry: the testo 735-2 multichannel thermometer can master virtually any application thanks to a wide range of optionally available sensors, a super-size memory and wireless data transfer.

The testo 760-2 digital multimeter is the allrounder for all important electrical measuring tasks. Thanks to the automatic detection of measurement parameters, it offers the greatest possible reliability for every application. You can also measure current in the &micro;A range and determine the true root mean square using this digital multimeter.

The testo&nbsp;760-3 is the most high-performance model in Testo&#39;s digital multimeter family. In addition to automatic detection of measurement parameters, it is characterized by a voltage measuring range of up to 1,000&nbsp;V along with large measuring ranges for frequency and capacitance. The digital multimeter is therefore also suitable for industrial applications.

The innovative grab mechanism makes the testo 770-2 the perfect clamp meter for non-contact measurements on tightly packed cables with a small diameter. In addition to the standard functions of the testo 770-1 clamp meter, it also offers a temperature adapter and measures current in the &micro;A range.

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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. connection to the testo Smart App and other Testo measuring instruments. Thanks to its increased resolution, the clamp meter delivers highly precise results even in the lower current range.

The testo 835-T1 is a practical infrared thermometer designed for medium-distance, non-contact temperature measurement up to 600 &deg;C. Featuring 4-point laser targeting, 50:1 optics, and external probe connectivity, it provides precise and safe temperature readings, making it ideal for HVAC, heating systems, and industrial quality control.

The testo 860i Electrical Kit combines the high-resolution testo 860i Wireless Thermal Imaging Camera with the advanced testo 770-3 Clamp Meter, offering an all-in-one solution for electrical and HVAC professionals for a comprehensive system evaluation. This enables professionals to capture precise thermal images and perform accurate electrical measurements simultaneously, streamlining workflow and improving troubleshooting efficiency&mdash;all seamlessly managed via the testo Smart App.

The testo 915i temperature kit with temperature probes will enable you to tackle your temperature measurements with greater speed, flexibility and ease: Included is a wireless thermometer testo 915i, an air probe, an immersion/penetration probe and a surface probe (all TC type K, class 1). The handle is compatible with all standard type K thermocouple probes &ndash; making it versatile. Thanks to Bluetooth and the testo Smart App, operation, evaluation and documentation can be carried out with exceptional ease and flexibility.

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<div>The testo Monobloc Heat Pump Testing Kit equips engineers with the essential tools for installing, servicing, and maintaining monobloc heat pumps. The kit includes the testo 770-3 clamp meter, designed for accurate electrical measurements, along with 2x testo 115i temperature clamp probes, ideal for use measuring flow and return temperatures. All instruments connect via Bluetooth to the testo Smart App, enabling real-time data monitoring and instant report generation. Housed in a rugged transport case, this kit ensures precision, efficiency, and portability for heat pump professionals.</div>

This component is part of the environmental monitoring system testo Saveris 1. The modular system records and analyzes your critical environmental data, alerts you immediately if limit values are violated and can help you optimize your processes.

The testo 400 is the ultimate tool for professionals in indoor air quality (IAQ) measurement. It offers a wide range of features including intuitive measurement programs, high-precision sensors, and the ability to connect a variety of probes. It&rsquo;s the ideal instrument for measuring, analysing, and documenting all IAQ and comfort parameters, providing full compliance with standards.

Ideal kit for IAQ professionals, with a focus on indoor air quality and comfort level. You will receive the testo 400 universal IAQ measuring instrument with intuitive measurement menus, one CO₂ probe (with Bluetooth&reg; handle), one turbulence probe and one globe thermometer &Oslash; 150 mm (both with fixed cable). Use the measuring tripod to ensure standard-compliant positioning of the probes. In combination with the IAQ data logger, which is available to order separately, long-term measurements up to 2 weeks can be recorded, even without the IAQ measuring instrument.

Ideal kit for IAQ professionals, with a focus on air flow measurement. You will receive the testo 400 universal IAQ measuring instrument with intuitive measurement menus, one vane probe head (&Oslash; 16 mm), one vane probe head (&Oslash; 100 mm) and one high-precision humidity/temperature probe head &ndash; all three can be attached to the Bluetooth&reg; handle supplied. For measurements at ceiling outlets, simply combine the 100 mm vane probe with the telescope (can be extended up to 1.0 m) and the 90&deg; angle.

Ideal kit for IAQ professionals, with a focus on air flow measurement. You will receive the testo 400 universal IAQ measuring instrument with intuitive measurement menus, one hot wire probe head (including temperature and humidity sensor), one vane probe head (&Oslash; 100 mm) and one high-precision humidity/temperature probe head &ndash; all three can be attached to the Bluetooth&reg; handle supplied. For measurements at ceiling outlets, simply combine the 100 mm vane probe with the telescope (can be extended up to 1.0 m) and the 90&deg; angle.

Measure temperatures in liquids, semi-solid media and pastes: The wireless thermometer testo 915i with robust, fast-response immersion/penetration probe will enable you to tackle your temperature measurements with greater speed, flexibility and ease. The testo 915i automatically connects to your smartphone/tablet or compatible testo measuring instrument via Bluetooth. The testo Smart App facilitates intuitive operation, clear display of measurement data as well as documentation and sending of reports on site. The handle is compatible with all standard type K thermocouple probes &ndash; making it versatile.

Ideal for measuring ambient temperature and temperatures in ducts or at air outlets: The wireless thermometer testo 915i with robust, fast-response air probe will enable you to tackle your temperature measurements with greater speed, flexibility and ease. The testo 915i automatically connects to your smartphone/tablet or compatible testo measuring instrument via Bluetooth. The testo Smart App facilitates intuitive operation, clear display of measurement data as well as documentation and sending of reports on site. The handle is compatible with all standard type K thermocouple probes &ndash; making it versatile.

The wireless thermometer testo 915i with flexible probe will enable you to tackle your temperature measurements with greater speed, flexibility and ease. For instance, the flexible thermocouple wire can be laid through drill holes, gaps or door seals to measure the air temperature. The testo 915i automatically connects to your smartphone/tablet or compatible testo measuring instrument via Bluetooth. The testo Smart App facilitates intuitive operation, clear display of measurement data as well as documentation and sending of reports on site. The handle is compatible with all standard type K thermocouple probes &ndash; making it versatile.

The testo 915i wireless thermometer with fast-response air probe and sprung thermocouple strip will enable you to tackle your temperature measurements with greater speed, flexibility and ease, even when dealing with uneven surfaces. The testo 915i automatically connects to your smartphone/tablet or compatible testo measuring instrument via Bluetooth. The testo Smart App facilitates intuitive operation, clear display of measurement data as well as documentation and sending of reports on site. The handle is compatible with all standard type K thermocouple probes &ndash; making it versatile.

The testo 922 is a compact differential temperature measuring instrument designed for accurate and efficient differential temperature measurements. With dual Type K thermocouple probes, it offers a wide measuring range from -50 &deg;C to 1000 &deg;C, making it perfect for applications like heating circuit manifolds. The device seamlessly integrates with the Testo Smart App for configuration, data storage, and documentation, allowing easy access to your measurements and reports.

The testo 925 is a compact, high-precision temperature measuring instrument designed for quick and reliable temperature measurements using Type K thermocouple probes. With a broad measuring range from -50 &deg;C to 1000 &deg;C, it&rsquo;s ideal for industrial and trade applications. The device connects seamlessly with the Testo Smart App, offering features such as in-app configuration, graphical data display, data storage, and easy on-site documentation.

Ultimate kit for all-round engineers in the field of heating, air conditioning, refrigeration and ventilation: The kit contains all the testo Smart Probes and is ideal for carrying out functional checks or for plant maintenance, in conjunction with your smartphone/tablet. The testo Smart App enables you to work more easily and efficiently: Automatically calculate numerous parameters such as superheating/subcooling, target superheat, cooling/heating power or differential temperature. Measurement data reports can be emailed directly as a PDF or Excel file.

The testo Smart Probes HVAC kit offers everything for fast and flexible temperature measurement as well as differential pressure measurement: A wireless thermometer, an air probe, an immersion/penetration probe and a surface probe (all TC Type K, Class 1) are included with the testo 915i. The testo 510i is suitable for easy measurement of gas flow pressure and static pressure, as well as pressure drops on fans and filters.

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

Temperature - TC Type K (NiCr-Ni)	Measuring range -50 to +400 °C
	Accuracy Class 2 ¹⁾
	Reaction time 5 s
1) According to standard EN 60584-1, the accuracy of Class 2 refers to -40 to +1200 °C.

General technical data	Weight 10 g
	Diameter probe shaft 1.5 mm
	Length probe shaft 800 mm
	Product colour silver
	Interface plug thermocouple

Flexible thermoelectric couple - with TC type K temperature sensor (glass fibre)

Flexible thermoelectric couple - with TC type K temperature sensor (glass fibre)

Temperature - TC Type K (NiCr-Ni)

Temperature - TC Type K (NiCr-Ni)

General technical data

General technical data