Flexible configuration &ndash; Easily set up via the testo 400 universal IAQ instrument.

Standard-Compliant Positioning &ndash; Ensures accurate positioning of measuring instruments and up to 8 probes for IAQ and comfort level measurements.

The testo 110 Food is a compact and precise temperature measuring instrument designed for the food industry. It supports a variety of probes, including NTC and Pt100, catering to different measurement needs. With Bluetooth connectivity, it seamlessly integrates with the testo Smart App, enabling digital documentation and monitoring of critical control points. Certified to HACCP and EN 13485 standards, it ensures compliance with industry regulations. The device is housed in a robust casing with an IP65-rated TopSafe, offering protection against dust and water. Its long battery life ensures reliable operation during extended use.

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 testo 110 is a high-precision temperature measuring instrument designed for low-temperature and critical applications. It is HACCP-compliant, EN 13485 certified, and works with NTC and Pt100 probes for exceptional accuracy. Featuring Smart App connectivity, it enables easy configuration, data storage, and analysis, making it perfect for precision environments.

The testo 110 Food Kit is a comprehensive temperature measuring solution tailored for the food industry. It includes the testo 110 Food instrument, a high-precision NTC stainless steel probe, TopSafe protective cover, calibration protocol, and 3x AA batteries. The NTC probe offers a measuring range of -50 to +150 &deg;C with an accuracy of &plusmn;0.2 &deg;C from -25 to +74.9 &deg;C. Bluetooth connectivity enables seamless integration with the testo Smart App, facilitating digital documentation and monitoring of critical control points (CP/CCP). Designed for ease of use, the testo 110 Food Kit is ideal for food industry professionals seeking reliable and efficient temperature measurement solutions.​

The testo 150 TUC4 is a versatile data logger module designed for integration into the testo Saveris 1 environmental monitoring system. It features four connections for digital sensors using Testo Universal Connectors (TUC), facilitating efficient monitoring of critical parameters. The module supports modular communication options, including WLAN, Ethernet, and testo UltraRange technology, allowing flexible integration into existing infrastructures. Its design enables probe replacement and calibration during ongoing operation, ensuring uninterrupted data logging. In the event of limit value violations, the device provides immediate alerts to users. Certified according to DIN EN 12830:2018, the testo 150 TUC4 is ideal for applications requiring strict compliance, such as cold chain monitoring.

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 indoor air quality and comfort 
level. You will receive the testo 400 universal IAQ measuring instrument with intuitive measurement menus, one CO2 probe (wired), one turbulence probe and one globe thermometer Ø 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, 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.

The robust air probe from Testo is designed for high-precision, fast-response measurement of ambient air temperature across a variety of applications. Built with durability in mind, this probe is ideal for use in indoor climate monitoring, HVAC systems, and refrigerated spaces. 
 
Its exposed NTC temperature sensor allows for rapid measurement response times, ensuring accurate temperature readings when time is critical. The probe delivers excellent measurement accuracy of up to &plusmn;0.2 &deg;C within a broad temperature range from -50 to +125 &deg;C. 
 
The robust air probe connects via a fixed cable to any compatible testo measuring instrument (available separately), making setup and operation straightforward. Whether used in building climate assessments or for routine checks in cold storage areas, the probe delivers reliable results with ease.

Robust air probe with exposed NTC sensor for fast, accurate ambient air temperature measurements in indoor and chilled environments.

Temperature - NTC	Measuring range -50 to +125 °C
	Accuracy ±0.2 °C (-25 to +80 °C) ±0.4 °C (Remaining Range)
	Reaction time t₉₉: 60 s

General technical data	Weight 100 g
	Length probe shaft 115 mm
	Cable length 1.2 m
	Diameter probe shaft tip 4 mm
	Diameter probe shaft 5 mm
	Length probe shaft tip 50 mm
	Product colour grey; Black; silver

Robust air probe - with NTC temperature sensor

Robust air probe - with NTC temperature sensor

Temperature - NTC

Temperature - NTC

General technical data

General technical data

Accessories