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Testo 300 (Flue Gas Analyzer) combines decades of experience in measuring technology with contemporary smart-touch operation, robust construction and e-mailing of reports. PCM Hitech is the official distributor of Testo in Pakistan.

Testo 300 – flue gas measurement truly smart.

  • Large scratch-resistant 5″ HD display with smart-touch operation and replaceable protective film
  • Stored, intuitive menus for all relevant measurements
  • 4 strong magnets with rubber coating for material friendly mounting
  • Ready to measure at the touch of a button in standby mode
  • Optional: extremely durable O2 sensor and automatic dilution up to 30,000 ppm CO
  • E-mailing of reports directly on site


The testo 300 flue gas analyzer is ideal for the most important measurements involving heating systems. The testo 300 enables easy measurement of flue gas, draught, pressure, ambient CO and differential temperature.

  • Intuitive measurement menus and the fast-response Smart-Touch display ensure easy operation – as on your smartphone
  • Including O2 and CO sensor up to 4,000 ppm
  • Large 5-inch HD display – see all the system’s measuring values at a glance
  • Creation of documentation directly on site and e-mailing of reports


Parameters: °C ,  hPa , O2 ,  CO/H2 , NO , ΔP

Flue gas measurement truly smart: that is what the testo 300 stands for. The compact flue gas analyzer is fully operated via the large touch display. You can see all the measuring values straight away on this without scrolling. The particularly scratch-resistant screen in embedded in a robust plastic housing which remains reliable even in tough day-to-day working conditions. Menus for the most important measurements are already stored in the testo 300 and reliably guide you through the relevant application. The flue gas analyzer is not familiar with waiting times or start-up phases, it is immediately ready to go at the touch of a button in standby mode. Documentation is dealt with just as quickly – with the testo 300, reports can be created and sent directly on site. The testo 300 is available with a 2-year or 4-year warranty. The testo 300 can additionally be equipped with an optional NO, NOlow or COlow sensor. The O2 sensor, fitted in all Longlife models, is extremely durable and an optional automatic dilution up to a maximum of 30,000 ppm CO protects the CO sensor.



  • Increased Efficiency
  • Environmental Benefits
  • Safety
  • Obtains Data Quickly



Industries & Applications:

  • Cogeneration Plant
  • Boiler Plant
  • Gas Turbines
  • Aluminum Works
  • Metal and Steel Works
  • Cement Works
  • Mining
  • Glass melting furnace
  • Ship’s engines
  • Automobile