3 calibration points: -18 / 0 / +60&nbsp;&deg;C

3 calibration points: 0 / +150 / +300 &deg;C

3 calibration points: 0 / +300 / +600 &deg;C

3 calibration points: -20 / 0 / +60&nbsp;&deg;C

3 calibration points: 0 / +100 / +200 °C

The testo 108 digital food thermometer for measuring temperatures for super-fast spot checks and reliable results during food production, processing and storage.

The temperature logger testo 175 T3 with its two external thermocouple probes is best suited when for recording 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 analysis and documentation.

The testo 176 T3 data logger for temperature measurement 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 temperature data logger can measure the temperature at upto four different measurement sites simultaneously. It has a super size memory for upto 2,000,000 readings and is compatible with a number of different thermocouples making it ideal for professional use in a variety of fields.

Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument: the multifunction measuring instrument features 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).

Kit for carrying out measurements at air outlets: the testo 440 air velocity and IAQ measuring instrument and the vane probe (Ø 100 mm) with Bluetooth&reg; including temperature sensor are all safely stowed away in the case. So you can get down to work straight away!

Kit for carrying out measurements in ventilation ducts: the testo 440 air velocity and IAQ measuring instrument and the vane probe (Ø 16 mm) are safely stowed away in the case. So you can get down to work straight away!

Kit for carrying out measurements in ventilation ducts and at air outlets: The testo 440 air velocity and IAQ measuring instrument, the vane probe (Ø 100 mm) with Bluetooth&reg; including temperature sensor and the hot wire probe including temperature sensor are all safely stowed away in the case. So you can get down to work straight away!

Kit for carrying out measurements in ventilation ducts and at air outlets: The testo 440 air velocity and IAQ measuring instrument, the vane probe (Ø 100 mm) with Bluetooth&reg; including temperature sensor and the vane probe (Ø 16 mm) are all safely stowed away in the case. So you can get down to work straight away!

Kit for evaluating the indoor air quality. The testo 440 air velocity and IAQ measuring instrument and the CO2 probe with Bluetooth&reg; including temperature and humidity sensor are all safely stowed away in the case. So you can get down to work straight away!

Kit for carrying out measurements in ventilation ducts: the testo 440 air velocity and IAQ measuring instrument and the hot wire probe (Ø 9 mm) including temperature sensor are all safely stowed away in the case. So you can get down to work straight away!

Kit for carrying out measurements in storage, refrigeration and work rooms, in ventilation ducts and also on refrigeration systems and heat pumps. Keep the testo 440 air velocity and IAQ measuring instrument and the humidity/temperature probe with Bluetooth&reg; safely stowed away in the case. So you can get down to work straight away!

Use this practical Indoor Comfort ComboKit to handle all relevant measurements in order to evaluate the indoor air quality in indoor areas and to determine the draught risk and degree of turbulence in workplaces. The testo 440 air velocity and IAQ measuring instrument, the CO2 probe with Bluetooth&reg; including temperature and humidity sensor and the turbulence probe are all safely stowed away in the case. So you can get down to work straight away!

Kit for measuring the illuminance in workplaces, for example in offices or in production areas. Keep the testo 440 air velocity and IAQ measuring instrument and a lux probe safely stowed away in the case. So you can get down to work straight away!

Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument: 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).

Carry out measurements without any annoying cables: use the kit to handle all relevant measurements in ventilation ducts and at air/ceiling outlets. You will receive the testo 440 dP air velocity and IAQ measuring instrument including differential pressure sensor and the 100 mm vane probe head and hot wire probe head (Ø 9 mm) for attachment to the universal Bluetooth&reg; handle supplied. To make measurements more convenient, both probe heads can be combined with the telescope included in the kit. The equipment can be transported safely and conveniently in the robust case.

Carry out measurements without any annoying cables: use the kit to handle all relevant measurements in ventilation ducts and at air/ceiling outlets. You will receive the testo 440 dP air velocity and IAQ measuring instrument including differential pressure sensor, two vane probe heads (Ø 100 mm and Ø 16 mm) and a humidity/temperature probe head – all three can be attached to the universal Bluetooth&reg; handle supplied. To make measurements more convenient, both vane probe heads can be combined with the telescope included in the kit. The equipment can be transported safely and conveniently in the robust case.

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The testo 635-1 for temperature and humidity measurement with its State-of-the-art technology and large selection of probes allows you to measure temperature, air humidity and dew point – in compressed air as well.

The testo 635-2 temperature and humidity measuring instrument with its leading-edge technology and wide selection of optional sensors helps you in carrying out temperature and material moisture measurements on a variety of different materials, surfaces and environments.

The U-value is the most important value for proving the heat loss of a building. With the testo 635-2 thermohygrometer and compatible accessories from the U-value set, determining the U-value is now easier than ever.

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.

Testo 735-2 multichannel temperature measuring instrument can master virtually any application for temperature measurements in the cosmetics, chemical, refrigeration industries, etc, thanks to a widerange of optionally available sensors, a super-size memory and wireless data transfer.

The testo 830-T2 IR thermometer enables you to carry out efficient, non-contact surface temperature measurements. The infrared thermometer will ensure that you are well equipped, especially for undertaking control measurements in trade and industry: the gun-style design is easy to handle and the integrated processor provides accurate measurement results.

The testo 830-T4 laser temperature gun 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 non contact infrared thermometer measuring instrument carries out measuring tasks in trade and industry quickly and efficiently.

Non-contact temperature and moisture measurements &ndash;with only one device. The testo 835-H1 infrared thermometer not only measures the temperature but has an intergrated moisture sensor that allows you to measure surface moisture too.

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

The testo 835 T2 high temperature infrared thermometer, your ideal companion for measurements where your infrared thermometers have given up. The testo 835 T2 allows you to measure temperatures up to 1500 &deg;C and moving objects safely and reliably.

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 – making it versatile. Thanks to Bluetooth and the testo Smart App, operation, evaluation and documentation can be carried out with exceptional ease and flexibility.

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.

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 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, 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 (Ø 16 mm), one vane probe head (Ø 100 mm) and one high-precision humidity/temperature probe head – 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° 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 (Ø 100 mm) and one high-precision humidity/temperature probe head – 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° 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 – 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 – 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 – 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 – making it versatile.

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.

The flexible probe wire of the waterproof immersion probe (thermocouple type K) makes it particularly pliable &ndash; ideal for carrying out accurate immersion measurements in liquids. It is extremely quick to react, with a response time of just two seconds. The immersion probe also features Class 1 measuring accuracy. It is suitable for a wide range of applications, e.g. in industrial production, in quality assurance or in laboratories.

Fast, flexible and waterproof: the immersion probe is ideal for carrying out accurate immersion measurements in various liquids.

Temperature - TC Type K (NiCr-Ni)	Measuring range -60 to +1000 °C
	Accuracy Class 1 ¹⁾
	Reaction time 2 s
1) According to standard EN 60584-1, the accuracy of Class 1 refers to -40 to +1000 °C (Type K), Class 2 to -40 to +1200 °C (Type K), Class 3 to -200 to +40 °C (Type K).

General technical data	Weight 150 g
	Diameter probe shaft 1.5 mm
	Cable length 1.5 m
	Protection class IP54
	Product-/housing material Plastic
	Length probe shaft 300 mm
	Product colour grey; Black; silver

Flexible, fast-action immersion probe (TC type K)

Flexible, fast-action immersion probe (TC type K)

Temperature - TC Type K (NiCr-Ni)

Temperature - TC Type K (NiCr-Ni)

General technical data

General technical data

Certificates