The HAZ-DUST Model HD-1620.
An IH instrument designed for firelighter and first responders. Offering single button operation, for rapid deployment in “Go/No Go” situations. This handheld multi-parameter instrument records & displays CAL/OSHA AQI, PM, Temp, RH, Barometric Pressure, GPS and alarms with wireless network to a centralized location. If interested in more information, please contact us! firstname.lastname@example.org