• Direct reading

• Measures and displays data for up to 14 critical indoor air quality parameters
• Standard IEMS configuration measure 5 parameters including PM10 or TSP particulates, CO2, CO, temperature, and relative humidity

• Add up to 9 optional interchangeable sensors and/or IEMS-specific meters (up to 9 sensors/meters total)
Choose from additional toxic gas sensors, PID for VOCs, or IEMS-specific meters for light intensity, sound/noise, atomic/nuclear radiation, ELF radiation, and air velocity

• Available analog input port for alternative meter

• Interchangeable size-selective impactors are available for PM1.0, PM2.5, or PM4.0 (close approximation of respirable)

• In-line standard 37-mm or optional 25-mm gravimetric filter cassette provides concurrent filter sampling for chemical and biological analyses

• Internal sample pump provides flow rate of 2 L/min

• NiMH battery for 8-hour operation, continuous operation with AC power

• Displays TWA, STEL, Max, and Min

• Optional alarm indicator light and siren for user-defined threshold limits

• Removable handheld sensors for spot-checking remote areas

• Datalogging and optional real-time wireless data transmission

• Easy-to-use graph and reporting software — compatible with PC and Mac