The Testo 435 Multifunction Meter 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 problems with HVAC systems and see the results of corrections immediately. Commissioning, validating, benchmarking, or simply adjusting HVAC systems are all easy with the Testo 435.
*Probes must be purchased for measurement.
Testo 435-1 Brochure