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Temperature measurements at radiators; flue gas parameter and pressure measurements at burners; CO measurements in the ambient air: the testo 320 allows you to carry out all measurements in and around heating systems with only one measuring device.

The ideal equipment for heating engineers: with this testo 320 flue gas analysis set, you can carry out your measuring tasks on heating systems quickly and efficiently. Use the flue gas analyzer to measure flue gas, draught, pressure, ambient CO and CO2, differential temperature and also detect gas leaks. In the set you also get practical accessories to help you with your work.

Professional pressure/leak detector for installation, maintenance and service of gas and water pipes. Specially designed to carry out reliable leak tightness checks, load tests, serviceability tests, temperature measurements in accordance with existing rules and regulations.

Emission control in industry: the testo 340 flue gas analyzer gives you professional technology, easy handling and practical execution in one instrument. The high-performance testo 340 flue gas analyzer is fitted with an O<sub>2</sub> sensor and can be equipped with up to 3 additional sensors.

The testo 350 is a rugged, easy-to-use exhaust gas analyzer designed to meet the highest demands when it comes to carrying out precise industrial emission measurements and providing proper data administration. The Analysis Box can be operated with up to 6 gas sensors, 5 of which are optional. This allows you to select freely from sensors for CO, NO, NO2, SO2, H2S, CxHy and CO2.

Using the printer you can print out graphs and measurement data from compatible Testo measuring instruments or Testo Apps.

Storage temperature	-20 to +50 °C
Weight	528 g
Dimensions	145 x 75 x 40 mm
Operating temperature	0 to 50 °C
Product-/housing material	Plastic
Product colour	Black
Battery type	Lithium-Ion rechargeable battery pack, 2600 mAh, 3.7 V
Interface printer	Bluetooth® / IRDA
Print speed	30 mm/s
Storage battery type	±0..35°C
Battery charging time	ca. 5-6 h

Bluetooth®/IRDA printer

Bluetooth®/IRDA printer

General technical data

Accessories