TESTO, INC. is a world leader in the design, development and manufacture of portable instrumentation. Backed by 60 years of measuring engineering experience our mission is to provide the best quality, service and value in the industry.
Manufacturer of Real-Time Aerosol Spectrometers, Electrometers, SMPS+C and EPA FEM PM-2.5 Dust Monitors. Applications include research, environmental, IAQ, industrial as well as other applications. Measurement capabilities from .08nm to 32 microns.