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TSI's IAQ-Calc™ Indoor Air Quality Meters are outstanding instruments for investigating and monitoring indoor air quality (IAQ).

With internally-mounted motors to rotate the impaction plates, MOUDI-II impactors can now be used reliably for longer sampling intervals (i.e. days).

The NGI+ provides more corrosion protection, enhanced chemical and biological resistance, and a longer equipment life expectancy for your inhaler testing process.

Monitoring the risk of aerosol and dust exposure maximizes worker safety.

Optimize HVAC systems and improve air quality with advanced ventilation testing tools.