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Quest™ Sound Examiner SE-400 Sound Level Meters come in a variety of models to meet your sound measurement needs.

Quest™ SoundPro™ SE-DL Series Sound Level Meters come in a variety of models to meet your sound measurement needs. Several models feature octave band analysis, giving you the ability to conduct environmental noise monitoring and noise control evaluation.

Measures velocity, temperature, humidity, differential pressure, barometric pressure and has inputs for two K alloy thermocouples. Includes an articulated, telescopic probe and data logging.

Measures barometric pressure and has inputs for two K alloy thermocouples / data logging.

The ProHood™ Capture Hood PH731 is a multipurpose electronic air balancing instrument primarily used for efficiently taking direct air volume readings at diffusers and grilles. It features a detachable micromanometer which can be used with optional probes for increased...

Adapter for the PortaCount Respirator Fit Tester

The CEL-620B  features all the same features as the CEL-620A but with the additional function of Octave Band Analysis. Choose either a Class 1 or Class 2 Microphone for precision, the CEL-620B model is used to carry out occupational noise assessments or machinery noise tests...

TSI is dedicated to empowering filter manufacturers with top-notch testing solutions tailored to your specific needs. Our high-precision equipment ensures that your filters consistently meet the highest quality standards, essential for maintaining superior air quality and...