Using a 3rd gen photoionization detector (PID) and built-in correction factors for more than 200 compoundsthe ppbRAE 3000 is the most advanced VOC monitor for parts-per-billion (ppb) detection available. It measures the presence of VOCs from 1ppb-10,000ppm with a three-second response time. Bluetooth data connectivity enables transmission up to 2 miles to a RAELink3 wireless router for superior awareness and faster incident response. And a rugged housing, large display, and large keys that can be operated with three layers of gloves all make for a unit that’s easy to use and