The new Next-Gen testo 300 Smoke Edition combustion analyzer is ideal for the most important measurements involving heating systems. It combines decades of experience in measuring technology with contemporary smart-touch operation, with Bluetooth<sup>&reg;</sup> connectivity, robust construction and e-mailing of reports. The Next-Gen testo 300 enables easy measurement of flue gas, draft, pressure, ambient CO and differential temperature.

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 Next-Gen testo 300 Pro Combustion analyzer is supplied with long life O2 and CO sensor (CO range up to 4,000 ppm), testo Bluetooth&reg; Connector, retrofittable NO Sensor, combustion probe,&nbsp; rugged hardshell case 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 testo 300 combustion analyzer with LongLife sensors is ideal for heating engineers who carry out installation and maintenance work on heating systems several times a day. It combines decades of experience in measuring technology with contemporary Smart-Touch operation, robust construction and e-mailing of reports. The testo 300 enables easy measurement of flue gas, draft, pressure, ambient CO and differential temperature.

With this kit, you will be equipped for the most important measurements involving heating systems: the testo 300 combustion analyzer is supplied with O2, CO (range up to 4,000 ppm), and NO sensors, combustion probe, rugged hardshell case, printer, and practical accessories.

The testo 300 Pro combustion analyzer with LongLife sensors is ideal for heating engineers who carry out installation and maintenance work on heating systems several times a day. It combines decades of experience in measuring technology with contemporary smart-touch operation, robust construction and e-mailing of reports. The testo 300 enables easy measurement of flue gas, draft, pressure, ambient CO and differential temperature &ndash; you can also retrofit a NO sensor.

The testo 300 Pro combustion analyzer is ideal for heating engineers who carry out installation and maintenance work on heating systems several times a day. It combines decades of experience in measuring technology with contemporary smart-touch operation, long life sensors, robust construction and e-mailing of reports. The testo 300 Pro enables easy measurement of flue gas, draft, pressure, ambient CO and differential temperature &ndash; you can also retrofit an NO sensor.

<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.

The testo 300 combustion analyzer is ideal for the most important measurements involving heating systems. It combines decades of experience in measuring technology with contemporary smart-touch operation, robust construction and e-mailing of reports. The testo 300 enables easy measurement of flue gas, draft, pressure, ambient CO and differential temperature.

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.

Use the mains unit with micro USB for supplying the power to your measuring instrument (e.g. testo 400 IAQ measuring instrument). Thanks to the various plug types supplied, the mains unit is also suitable for international use.

Weight	5.08 oz. / 144 g
Dimensions	3.3 x 2.2 x 3.5 in. LxWxH / 85 x 55 x 90 mm LxWxH
Product colour	Black
Cable length	6.562 ft. / 2 m
Power supply	230 V AC / 5 V DC (2 A), micro USB, for the use in USA, CA, AU, Europe, UK, CN, Korea

USB mains unit with cable

USB mains unit with cable

General technical data