The testo 300 flue gas 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, draught, pressure, ambient CO and differential temperature – you can also retrofit an NO sensor.

Carry out installation and maintenance work on heating systems several times a day using the flue gas analyzer with Longlife sensors. The TÜV-tested testo 300 Longlife flue gas analyzer is supplied with O2 and CO sensor up to 4,000 ppm (NO - can be retrofitted), basic flue gas probe, testo Bluetooth&reg; printer, case and practical accessories.

With this kit, you will be equipped for the most important measurements involving heating systems: the TÜV-tested testo 300 NEXT LEVEL flue gas analyzer is supplied with O2 and CO sensor up to 4,000 ppm, basic flue gas probe, testo Bluetooth&reg; Connector, instrument case and practical accessories.

With this kit, you will be equipped for the most important measurements involving heating systems: the TÜV-tested testo 300 NEXT LEVEL flue gas analyzer is supplied with O2 and CO sensor up to 4,000 ppm, basic flue gas probe, testo Bluetooth&reg; Connector, testo Bluetooth&reg; printer, instrument case and practical accessories.

The testo 865 thermal imager combines all the important properties required for high-quality thermographic measurement – it is accurate, robust, fast and reliable. The testo 865 provides high-quality thermography at an affordable price and keeps going even in tough working conditions. The case supplied with the thermal imager means it can be conveniently transported, so it is always there for you when needed.

The testo 868 thermal imager is characterized by its professional measuring performance and its easy handling. It has the best thermal image quality in its class, an integrated digital camera and impressive smart functions. The case supplied with the thermal imager means it can be conveniently transported, so it is always there for you when needed.

The testo 871 thermal imager combines high infrared resolution with professional measuring performance and easy handling. Its high-quality pixel detector, an integrated digital camera and, last but not least, the innovative functions are the features that impress. The testo Thermography App enables the testo 871 to offer smart thermography to meet professional requirements in industry and trade. The case supplied with the thermal imager means it can be conveniently transported, so it is always there for you when needed.

The testo 872 thermal imager gives you the best possible support for your work in professional industrial and building thermography. Take thermal images quickly, reliably and smartly with the highest image quality, very good thermal sensitivity and innovative functions. The case supplied with the thermal imager means it can be conveniently transported, so it is always there for you when needed.

The testo 300 flue gas 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, draught, pressure, ambient CO and differential temperature.

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.

Use the smart testo 871 mould kit to detect mould-risk areas in buildings quickly and easily. The testo 605i thermohygrometer included in the kit transmits the room parameters via Bluetooth&reg; to the testo 871 thermal imager. Mould-risk areas are shown in amber or red on the camera display (according to the traffic light principle). The thermal imager impresses with a thermal sensitivity of 0.08&deg;C and its ease of use, in addition to its professional measuring cable with excellent image quality. The equipment can be transported safely and conveniently in the robust case.

Use the smart testo 872 mould kit to detect mould-risk areas in buildings quickly and easily. The testo 605i thermohygrometer included in the kit transmits the room parameters via Bluetooth&reg; to the testo 872 thermal imager. Mould-risk areas are shown in amber or red on the camera display (according to the traffic light principle). The thermal imager impresses with a thermal sensitivity of 0.05 &deg;C and its ease of use, in addition to its professional measuring cable with maximum image quality. The equipment can be transported safely and conveniently in the robust case.

Carry out installation and maintenance work on heating systems several times a day using the flue gas analyzer with Longlife sensors. The TÜV-tested testo 300 Longlife flue gas analyzer is supplied with O2 and CO sensor up to 4,000 ppm (NO - can be retrofitted), basic flue gas probe, case and practical accessories.

Carry out installation and maintenance work on heating systems several times a day using the flue gas analyzer with Longlife sensors. The TÜV-tested testo 300 NEXT LEVEL Longlife flue gas analyzer is supplied with O2 and CO H2-compensated sensor up to 30,000 ppm (NO - can be retrofitted), TÜV-tested modular flue gas probe, testo Bluetooth&reg; Connector, case and practical accessories.

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	144 g
Dimensions	85 x 55 x 90 mm LxWxH
Product colour	Black
Cable length	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