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Testo 435-3 Multifunction Meter with Integrated Differential Pressure

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multi-functional measurement instrument with built-in differential pressure measurement for A/C, ventilation and Indoor Air Quality

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Product Description

The testo 435-3 is perfect for monitoring, analyzing and diagnosing indoor air quality anywhere you need to take important IAQ measurements. In addition, you can easily pinpoint and troubleshoot airflow problems with HVAC systems and see the results of corrections immediately. Commissioning, validating, benchmarking, or simpy adjusting HVAC systems are all easy with the testo 435-3.

  • Integrated differential pressure measurements for flow velocity
  • Optional wireless (RF) temperature probes for remote measurement
  • Backlit LCD for easy viewing
  • Optional printer allows for easy documenting of measured data


The testo 435-3 multifunction meter allows you to carry measurements that are necessary to check and adjust airflow of air conditioning systems and assess the quality of the indoor air.  The testo 435-3 multifunction meter accepts a wide variety of probes to measure and record airflow, temperature and indoor air quality readings.

Probe dependent menus and selectable user profiles ensure that the testo 435-3 multifunction meter is always ready to use.  Easy set-up of user defined IAQ and airflow / duct profiles allow for fast measurement of many different tasks, and with a wide variety of probe choices available, the testo 435-3 is ready to handle a vast array of indoor air quality applications.

testo 435-3 highlights:

  • Integrated differential pressure measurement for airflow
  • Ideal for spot check measurements
  • Wired or wireless, temperature probes
  • IP54 Protection class

Additional Information

Additional Information

Application Emissions, HVAC, Indoor Air Quality, Pharmaceuticals & Hospitals, Production & QA , Refrigeration, Storage & Transport


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