Practical storage case for all Smart Probes: testo 115i (2x), testo 405i, testo 410i, testo 510i, testo 549 (2x), testo 605i (2x), testo 805i and testo 905i

Practical storage case for Smart Probes testo 805i, testo 410i, testo 510i, testo 405i, testo 605i and testo 905i (available separately)

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 871s delivers high-resolution thermography (240 x 180 pixels, upgradable to 480 x 360 pixels) with seamless Wi-Fi connectivity for remote operation and instant data transfer via the testo Thermography App. Smart Bluetooth integration allows it to wirelessly connect with the testo 770-3 Clamp Meter and testo 605i Thermohygrometer, enabling simultaneous humidity, voltage, and current measurements alongside thermal imaging. Designed for HVAC professionals, electricians, and building inspectors, it features an IP54-rated rugged build, 4-hour battery life, and automatic measurement functions for precise diagnostics.

The testo 872s is a high-performance thermal imaging camera designed for industrial and building diagnostics. With a 320 x 240 pixel infrared resolution (upgradable to 640 x 480 pixels), an integrated laser marker, and Wi-Fi connectivity, it ensures real-time remote control and reporting via the testo Thermography App. Automatic emissivity correction (ɛ-Assist) and ScaleAssist provide consistently accurate thermal images. Bluetooth integration enables seamless connection with the testo 770-3 Clamp Meter and testo 605i Thermohygrometer for comprehensive measurement capabilities. Built for durability, its IP54-rated housing and 4-hour battery life support extended field use.

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. <br/><br/>You will receive the testo 400 universal IAQ measuring instrument with intuitive measurement menus, one CO<sub>2</sub> 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 testo 872s Building Diagnosis Kit is a complete solution for professional building inspections, combining advanced thermal imaging with real-time environmental measurements. The kit includes the testo 872s Thermal Imaging Camera (320 x 240 pixels), the testo 605i Smart Probe for precise humidity and temperature monitoring, and advanced mould detection technology. A smart traffic light indicator (green, amber, red) visually identifies areas at risk of mould formation. With Wi-Fi connectivity, Bluetooth integration, automatic hot/cold spot detection, and IP54-rated durability, this kit delivers fast, accurate, and reliable diagnostics for building professionals.

<h3>Overview</h3>In addition to measuring air temperature and relative humidity in rooms and ducts, the thermohygrometer is also suitable for checking air conditioning system humidifiers. When you use the testo 605i in conjunction with the testo 805i infrared thermometer, you can clearly identify areas susceptible to mould via the traffic light principle, with the assistance of a measurement menu that is already stored in the App.<h3>Measure more efficiently using the App</h3>The testo 605i wirelessly transmits the measurement data via Bluetooth to your own smartphone or tablet. With the testo Smart Probes App installed on your terminal device, you can view your readings conveniently. The App also enables the dew point and wet-bulb temperature to be determined automatically. All measurement data is displayed either as a chart or in table form. The measurement data log can then be emailed directly as a PDF or Excel file.<br/><br/>

The compact testo 605i temperature and humidity measuring instrument features professional measuring technology in an intelligent format: it can be used in conjunction with a smartphone/tablet and the testo Smart Probes App to reliably measure air temperature and humidity in rooms and ducts.

testo 605i thermohygrometer with smartphone operation 

testo 605 i

The testo Smart Probes App turns your mobile device into a remote control and measurement data centre.<br /><br /> Install our testo Smart Probes App on your smartphone/tablet and take advantage of these practical features:<br /><ul><li>Wireless control and monitoring of the Smart Probes via smartphone/ tablet</li> <li>Record and send measurement trends via App as an Excel file (csv.)</li> <li>Create and send .pdf reports, including pictures of the measuring location</li> <li>Display readings from up to 6 Smart Probes simultaneously</li> <li>Range of approx. 15 m in free field (depending on the mobile device used)</li> <li>Diagram display can be dynamically zoomed in or out</li> </ul><br />Application-specific measurement menus provide optimum support for your measurement:<br /><ul><li>Refrigeration: Automatic calculation of system parameters, such as superheating or subcooling</li> <li>Air flow measurements in ducts/at outlets: Simple parameterization and implementation of multi-point and timed measurements</li> <li>IR temperature and mould indication: Non-contact temperature measurement with quick image documentation, including measurement spot marking and detection of areas susceptible to mould</li></ul>

General technical data	Weight 86.4 g
	Dimensions 243 x 30 x 24 mm
	Operating temperature -20 to +50 °C
	Product-/housing material Plastic
	System requirements requires iOS 8.3 or newer; requires Android 4.3 or newer; requires mobile end device with Bluetooth 4.0
	Product colour black/orange
	Battery type 3 AAA micro batteries
	Battery life 150 h
	Length probe shaft 100 mm
	Storage temperature -20 to +60 °C

Temperature - NTC	Measuring range -20 to +60 °C
	Accuracy ±0.8 °C (-20 to 0 °C) ±0.5 °C (0 to +60 °C)
	Resolution 0.1 °C

testo 605i - Bluetooth Thermal Hygrometer Smart Probe

testo 605i - Bluetooth Thermal Hygrometer Smart Probe

Overview

Measure more efficiently using the App

General technical data

General technical data

Temperature - NTC

Temperature - NTC

Accessories