Our ergonomically designed and lightweight Lighthouse Handheld 3016-IAQ is the most advanced handheld particle counter on the market, featuring Mass Concentration Mode that approximates density in μg/m3. Providing up to 6 particle size channels of simultaneous counting, Lighthouse Handheld Particle Counters can display cumulative and differential particle count data as well as Temperature/Relative Humidity data on the fast and easy to read color touch screen. The Lighthouse Handheld 3016-IAQ can hold up to 3,000 records of particle data and the configurable recipe database can store up to 50 recipes for sampling and reports. The Handheld 3016-IAQ monitors particulate levels accurately and reliably, even in “hard-to-reach” areas where two-handed operation is unsafe.