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TSI’s cleanroom facility environmental monitoring products with built-in redundancy provide the confidence you need.

Our personal noise indicators and sound detectors make it easier to measure sound and noise levels in real-time, and determine the level of hearing protection necessary in a particular environment.

From quantitative fit testing equipment to mask integrity testing equipment, TSI helps you comply with regulated standards to ensure your workers' respiratory safety.

Our instruments are optimized for ease-of-use, yet offer a range of advanced capabilities including data logging.

The QUESTemp° 44/46/48N utilizes a waterless wet bulb sensor designed for working environments where daily instrument upkeep is difficult.

The 7515 is a cost-effective IAQ meter for carbon dioxide (CO2) measurements.

Q-Trak Indoor Air Quality Monitor Model 7575 provides quick, accurate information to assess key indoor air quality, or IAQ, parameters.

Our handheld DustTrak™ DRX Aerosol Monitor is a multi-channel, data-logging, laser photometer for real-time aerosol readings. Portable design allows you to measure dust, fumes, mists and smoke and is suitable for engineering control evaluations.Looking for quick reporting and...

The Air Velocity Transducer 8455 (general purpose) is ideal for both temporary and permanent installations for air velocity measurements in research and development labs, manufacturing processes, and other applications.

Measures velocity and temperature / calculates flow with a straight, telescopic probe / data logging.Request A QuoteOther Models AvailableDescriptionRequest a Quote9535-ACIncludes ISO 17025 accreditation for air velocity and temperature.request a quote9535-AIncludes...