Cable USB A - USB Micro-B for power supply

With this kit, you will be equipped for the most important measurements involving heating systems: the Next-Gen testo 300 combustion analyzer is supplied with O2 and CO sensor (CO range up to 4,000 ppm), combustion probe, testo Bluetooth&reg; Connector, instrument case, printer, and practical accessories.

With this kit, you will be equipped for the most important measurements involving heating systems: the testo 300 Pro combustion analyzer is supplied with long life O2 and CO sensors (CO range up to 4,000 ppm),&nbsp;testo Bluetooth&reg; Connector (0554 3004), retrofittable NO Sensor, combustion probe, rugged hardshell case, printer, and practical accessories.&nbsp;

With this kit, you will be equipped for the most important measurements involving heating systems: the Next-Gen testo 300 combustion analyzer is supplied with O2, CO sensor (CO range up to 30,000 ppm), NO Sensor, combustion probe, testo Bluetooth&reg; Connector, rugged hardshell case, printer, and practical accessories.

The compact testo 110 Food is a highly precise and user-friendly temperature measuring instrument that can be used universally for ensuring the quality of food: From production to storage &amp; transport, through to preparation and sale. The testo Smart App connection makes digital documentation and temperature limit monitoring (CP/CCP) easier than ever.

Heating fitters and technicians who perform commissioning and maintenance of hot water and residential heating systems need a reliable and stable measuring instrument with which they can easily perform their measuring tasks such as exhaust gas analyses. The new testo 310 II provides individual support for their daily measurement tasks and makes their day-to-day work easier.

<div style="background-color: #f4f3f1;border: 1px solid #e8e6e3;border-top-left-radius: 16px;border-top-right-radius: 16px;padding: 1rem;margin: 0 -1rem 1.5rem;"><b>When you register your product, we will extend the regular manufacturer's warranty by one year. <a href="https://www.testo.com/en-US/services/product-registration-climate">&gt;&gt; Register now and get a warranty extension.</a></b></div>Ideal for Testing, Adjusting and Balancing (TAB) / (Retro)-Commissioning &ndash; Professionals (BSC / RCx) or Cleanroom Performance Tester (CPT) the testo 400 Air Flow kit meets highest standards when it comes down to accuracy and durability for air velocity measurements on HVAC systems.
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<div style="background-color: #f4f3f1;border: 1px solid #e8e6e3;border-top-left-radius: 16px;border-top-right-radius: 16px;padding: 1rem;margin: 0 -1rem 1.5rem;"><b>When you register your product, we will extend the regular manufacturer's warranty by one year. <a href="https://www.testo.com/en-US/services/product-registration-climate">&gt;&gt; Register now and get a warranty extension.</a></b></div>Ideal for Commissioning and IAQ investigation professionals

<div style="background-color: #f4f3f1;border: 1px solid #e8e6e3;border-top-left-radius: 16px;border-top-right-radius: 16px;padding: 1rem;margin: 0 -1rem 1.5rem;"><b>When you register your product, we will extend the regular manufacturer's warranty by one year. <a href="https://www.testo.com/en-US/services/product-registration-climate">&gt;&gt; Register now and get a warranty extension.</a></b></div>The testo 400 IAQ Kit is ideal for Commissioning and IAQ investigation professionals verifying building HVAC system performance parameters.

<div style="margin-left:-1rem; margin-right:-1rem"><strong>When you register your product, we will extend the regular manufacturer&#39;s warranty by one year. &gt;&gt; Register now and get a warranty extension.</strong></div>
The compact vane anemometer testo 417 in a kit incl. two measurement funnels was developed to make it as easy as possible for you to take measurements on air inlets and outlets as well as plate outlets of air conditioning and ventilation systems. The integrated 4 inch vane quickly ensures precise results. Time and point average values as well as the volume flow are automatically calculated in the instrument and shown on the display. This allows balanced residential ventilation systems to be adjusted particularly efficiently - including quick documentation with the testo Smart App.<br />
In addition, the App not only supports you in configuring the measuring instrument and takes over display, storage and documentation of the measured values &ndash; it also turns your smartphone into a second display. The testo 417 Kit 1 includes two measuring funnels for plate outlets and ventilation grilles. These can be easily attached to the vane, covering a wide range of outlet sizes and formats.

<div style="margin-left:-1rem; margin-right:-1rem"><strong>When you register your product, we will extend the regular manufacturer&#39;s warranty by one year. &gt;&gt; Register now and get a warranty extension.</strong></div>
The compact vane anemometer testo 417 in Kit 2 including two measurement funnels and a flow straightener was developed to make it as easy as possible for you to take measurements on air inlets and outlets as well as plate and swirl outlets of air conditioning and ventilation systems. The integrated 4 inch vane quickly ensures precise results. Time and point average values as well as the volume flow are automatically calculated in the instrument and shown on the display. This allows balanced residential ventilation systems to be adjusted particularly efficiently - including quick documentation with the testo Smart App.<br />
In addition, the App not only supports you in configuring the measuring instrument and takes over display, storage and documentation of the measured values &ndash; it also turns your smartphone into a second display. The testo 417 Kit 2 includes two measuring funnels and a volume flow straightener for precise results even at swirl outlets.

Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument&nbsp;&ndash; the testo 440. This multifunction measuring instrument is intuitive and easy to use, thanks to its clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality, and carrying out comfort level measurements are all possible without the hassle of juggling different devices and tools. Enjoy the versatility of using your choice of high quality digital probes with just one measuring instrument.

<div style="background-color: #f4f3f1;border: 1px solid #e8e6e3;border-top-left-radius: 16px;border-top-right-radius: 16px;padding: 1rem;margin: 0 -1rem 1.5rem;"><b>When you register your product, we will extend the regular manufacturer's warranty by one year. <a href="https://www.testo.com/en-US/services/product-registration-climate">&gt;&gt; Register now and get a warranty extension.</a></b></div>This testo 440 kit is great for carrying out indoor air quality measurements. The testo&nbsp;440 air velocity and IAQ measuring instrument and its CO<sub>2</sub> probe with humidity/temperature sensor can all be safely stored in the included case.

<div style="background-color: #f4f3f1;border: 1px solid #e8e6e3;border-top-left-radius: 16px;border-top-right-radius: 16px;padding: 1rem;margin: 0 -1rem 1.5rem;"><b>When you register your product, we will extend the regular manufacturer's warranty by one year. <a href="https://www.testo.com/en-US/services/product-registration-climate">&gt;&gt; Register now and get a warranty extension.</a></b></div>This testo 440 kit is great for carrying out measurements at air outlets. The testo&nbsp;440 air velocity and IAQ measuring instrument and its vane probe (&Oslash; 3.9&quot;) with temperature sensor can all be safely stored in the included case.

<div style="background-color: #f4f3f1;border: 1px solid #e8e6e3;border-top-left-radius: 16px;border-top-right-radius: 16px;padding: 1rem;margin: 0 -1rem 1.5rem;"><b>When you register your product, we will extend the regular manufacturer's warranty by one year. <a href="https://www.testo.com/en-US/services/product-registration-climate">&gt;&gt; Register now and get a warranty extension.</a></b></div>This testo 440 kit is great for carrying out measurements in ventilation ducts and at air outlets. The testo&nbsp;440 air velocity and IAQ measuring instrument, its vane probe (&Oslash;&nbsp;3.9&quot;) with Bluetooth and temperature sensor, and hot wire probe including temperature sensor&nbsp;can all be safely stored in the included case.

<div style="background-color: #f4f3f1;border: 1px solid #e8e6e3;border-top-left-radius: 16px;border-top-right-radius: 16px;padding: 1rem;margin: 0 -1rem 1.5rem;"><b>When you register your product, we will extend the regular manufacturer's warranty by one year. <a href="https://www.testo.com/en-US/services/product-registration-climate">&gt;&gt; Register now and get a warranty extension.</a></b></div>This testo 440 kit is great for carrying out measurements in ventilation ducts. The testo&nbsp;440 air velocity and IAQ measuring instrument and its vane probe (&Oslash; 0.63&quot;) can all be safely stored in the included case.

<div style="background-color: #f4f3f1;border: 1px solid #e8e6e3;border-top-left-radius: 16px;border-top-right-radius: 16px;padding: 1rem;margin: 0 -1rem 1.5rem;"><b>When you register your product, we will extend the regular manufacturer's warranty by one year. <a href="https://www.testo.com/en-US/services/product-registration-climate">&gt;&gt; Register now and get a warranty extension.</a></b></div>This testo 440 kit is great for carrying out measurements in storage, refrigeration, and work rooms, in ventilation ducts, and also on refrigeration systems and heat pumps. The testo&nbsp;440 air velocity and IAQ measuring instrument and its humidity/temperature probe (&Oslash; 0.47&quot;) with temperature sensor can all be safely stored in the included case.

<div style="margin-left:-1rem; margin-right:-1rem"><strong>When you register your product, we will extend the regular manufacturer&#39;s warranty by one year. &gt;&gt; Register now and get a warranty extension.</strong></div>
This testo 440 kit is great for carrying out measurements in ventilation ducts. The testo&nbsp;440 air velocity and IAQ measuring instrument and its hot wire probe (&Oslash; 0.35&quot;) with temperature sensor can all be safely stored in the included case.

<div style="background-color: #f4f3f1;border: 1px solid #e8e6e3;border-top-left-radius: 16px;border-top-right-radius: 16px;padding: 1rem;margin: 0 -1rem 1.5rem;"><b>When you register your product, we will extend the regular manufacturer's warranty by one year. <a href="https://www.testo.com/en-US/services/product-registration-climate">&gt;&gt; Register now and get a warranty extension.</a></b></div>This testo 440 kit is great for evaluating indoor air quality and determining draft risk and degree of turbulence in workplaces. The testo&nbsp;440 air velocity and IAQ measuring instrument&nbsp;and its CO<sub>2</sub>&nbsp;probe with humidity/temperature sensor and turbulence probe can all be safely stored in the included case.

<div style="background-color: #f4f3f1;border: 1px solid #e8e6e3;border-top-left-radius: 16px;border-top-right-radius: 16px;padding: 1rem;margin: 0 -1rem 1.5rem;"><b>When you register your product, we will extend the regular manufacturer's warranty by one year. <a href="https://www.testo.com/en-US/services/product-registration-climate">&gt;&gt; Register now and get a warranty extension.</a></b></div>This testo 440 kit is great for carrying out measurements in ventilation ducts and at air outlets. The testo&nbsp;440 air velocity and IAQ measuring instrument and its vane probes can all be safely stored in the included case.

Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument &ndash; the testo 440 dP.&nbsp;This multifunction measuring instrument is intuitive and easy to use, thanks to its integrated differential pressure sensor and clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality, and carrying out comfort level measurements are all possible without the hassle of juggling different devices and tools. Enjoy the versatility of using your choice of high quality digital probes with just one measuring instrument.

<div style="background-color: #f4f3f1;border: 1px solid #e8e6e3;border-top-left-radius: 16px;border-top-right-radius: 16px;padding: 1rem;margin: 0 -1rem 1.5rem;"><b>When you register your product, we will extend the regular manufacturer's warranty by one year. <a href="https://www.testo.com/en-US/services/product-registration-climate">&gt;&gt; Register now and get a warranty extension.</a></b></div>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 (&Oslash; 9 mm) for attachment to the universal Bluetooth handle supplied.&nbsp; 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.

<div style="background-color: #f4f3f1;border: 1px solid #e8e6e3;border-top-left-radius: 16px;border-top-right-radius: 16px;padding: 1rem;margin: 0 -1rem 1.5rem;"><b>When you register your product, we will extend the regular manufacturer's warranty by one year. <a href="https://www.testo.com/en-US/services/product-registration-climate">&gt;&gt; Register now and get a warranty extension.</a></b></div>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 (&Oslash; 100 mm and &Oslash; 16 mm) and a humidity/temperature probe head &ndash; all three can be attached to the universal Bluetooth&lt;sup&gt;&amp;reg;&lt;/sup&gt; 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.

The compact temperature measuring instrument testo 110 shows its strengths wherever measurements are to be made at particularly low temperatures or where highly precise temperatures are to be determined. HACCP conformity and NTC or PT100 compatibility (probe optionally available) make testo 110 ideal for temperature measurements, especially in food environments or laboratories.

<p> The testo 110 Food is a highly precise and user-friendly temperature measuring instrument that can be used universally in the food industry: From production to storage & transport, through to preparation and sale.</p><p> The precise stainless steel food probe enables the measurement of the core temperature of foods.</p><p> The testo Smart App connection makes digital documentation, and especially temperature limit monitoring (CP/CCP) easier than ever.</p>

The testo 400 is the universal measuring instrument for all TAB / Commissioning and IAQ professionals. Measure, analyze and document Air flow, air pressure,&nbsp; IAQ and comfort level parameters using just one instrument &ndash; simply, conveniently and in compliance with the standards. High-quality measuring technology, intuitive measurement assistants, versatile documentation options and a comprehensive selection of air flow, comfort and IAQ probes make the testo 400 the perfect partner for your day-to-day work.

<div style="background-color: #f4f3f1;border: 1px solid #e8e6e3;border-top-left-radius: 16px;border-top-right-radius: 16px;padding: 1rem;margin: 0 -1rem 1.5rem;"><b>When you register your product, we will extend the regular manufacturer's warranty by one year. <a href="https://www.testo.com/en-US/services/product-registration-climate">&gt;&gt; Register now and get a warranty extension.</a></b></div>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<sup>&reg;</sup> 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.

The compact testo 416 0.63 inch vane anemometer with telescopic probe and App connection is ideal for simple, fast and precise determination of flow velocity and volume flow in ventilation ducts of air conditioning and ventilation systems. The connection to the testo Smart App enables configuration, display (also as second screen) and storage as well as documentation of the measured values directly in the App.<br />
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<strong>*First NIST Calibration FREE with purchase of testo 416 through the testo Web Shop!</strong>

The compact testo 417 4 inch vane anemometer is the ideal solution for simple, fast and precise determination of flow velocity and volume flow at air intake and outlet vents of air conditioning and ventilation systems. Adjustment for balanced residential ventilation or measurement at swirl outlets is also child&#39;s play with the testo 417 kits including funnel and flow straightener. Thanks to the connection to the testo Smart App, configuration, display (also as second screen) and storage as well as documentation of the measured values are dealt with quickly and without any complications.

The compact hot wire anemometer testo 425 with telescopic probe is ideal for simple, fast and precise determination of flow velocity and volume flow in ventilation ducts of air conditioning and ventilation systems. The connection to the testo Smart App enables configuration, display (also as second screen) and storage as well as documentation of the measurement directly in the App.

With the compact differential pressure measuring nstrument testo 512-1 (0 to 200 hPa) you have the ideal solution for simple, fast and precise measurement of gas flow and static gas pressure on heating systems, for checking filters on air conditioning systems and for Pitot tube measurement in ventilation ducts. The testo Smart App supports you with useful functions such as configuration, display (also as second screen) and storage as well as documentation of the measured values directly in the App.

With the compact differential pressure measuring instrument testo 512-2 (0 to 800 inH20) you have the ideal solution for simple, fast and precise measurement of gas flow and static gas pressure on heating systems, for checking filters on air conditioning systems. The testo Smart App supports you with useful functions such as configuration, display (also as second screen) and storage as well as documentation of the measured values directly in the App..

The compact CO<sub>2</sub> measuring instrument testo 535 is ideally suited for simple, fast and precise determination of carbon dioxide content to ensure indoor air quality and thus health and performance. The connection to the testo Smart App enables configuration, display (also as second screen) and storage as well as documentation of the measured values directly in the App.

With the compact Lux meter testo 545, you can measure the illuminance of all common light sources easily, quickly and precisely to ensure productivity, performance and health in workplaces. The testo Smart App supports you with useful functions, e.g. configuration, display (also as second screen) and storage as well as documentation of the measured values directly in the App.

With the compact testo 625 thermohygrometer, you can measure air temperature and relative humidity easily, quickly and precisely to assess indoor air quality or ensure optimum conditions in storage rooms. The testo Smart App supports you with useful functions, e.g. configuration, display (also as second screen) and storage as well as documentation of the measured values directly in the App.

With the compact 2-channel temperature measuring instrument testo 922 (dual TC Type K, 2 probes,&nbsp;Class 1 included) you have the versatile solution for simple, fast and precise measurement of the differential temperature, e.g. when checking the supply/return temperature on heating circuit manifolds. The testo Smart App supports you with useful functions suchz as configuration, display (also as second screen) and storage as well as documentation of the measured values directly in the App.

With the compact temperature measuring instrument testo 925 (1 TC Type K probe, Class 1 included), you have the versatile solution for simple, fast and precise temperature measurements in industry and trade. The testo Smart App supports you with useful functions suchz as configuration, display (also as second screen) and storage as well as documentation of the measured values directly in the App.

Use the printer to print graphics and measurement data from compatible Testo measuring instruments or Testo Apps.

General technical data	Storage temperature -4° to 122 °F / -20 to +50 °C Rechargeable battery storage temperature: ±0° to 95 °F / Rechargeable battery storage temperature: ±0 to +35 °C
	Weight approximately 14.1 oz. (including rechargeable battery pack, paper roll, mains unit) / approximately 400 g (including rechargeable battery pack, paper roll, mains unit)
	Dimensions 5.9 x 3.1 x 1.6 in. ((LxWxH)) / 150 x 80 x 41 mm (LxWxH)
	Operating temperature 32° to 122 °F / 0 to +50 °C
	EU-/EG-guidelines RED: 2014/53/EU
	Alarmsignal by LED
	Battery type Lithium-Ion rechargeable battery pack, 3500 mAh, 3.7 V
	Warranty conditions https://www.testo.com/guarantee
	Interface USB; NFC
	Battery charging time 6 - 8,5 h
	Battery life > 6 h (20 °C / 68 °F)
	Interface printer Bluetooth® / IRDA
	Print speed 30 mm/s

Mobile BLUETOOTH®/IRDA printer

Mobile BLUETOOTH®/IRDA printer

General technical data

General technical data

Accessories