Air quality particle counters; Air quality measurement apparatus, namely, particle counters; Portable air quality particle counters; Remote air quality particle counters; Handheld air quality particle counters; Ambient airborne particulate quality monitors and samplers; Airborne particulate quality counters for cleanroom and environmental monitoring; Air quality measurement systems, namely, air particle counters and recorded software for operating the air particle counters sold as a unit; Facility monitoring systems, namely, apparatus for air sampling and monitoring, measuring air pressure, air temperature and air humidity and recorded software for operating the apparatus sold as a unit; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, and air quality
Electrical and Scientific Apparatus