The AQ Expert indoor air quality (IAQ) monitor from E Instruments International, Langhorne, Pa, includes up to 11 customizable parameters and real-time data logging for IAQ testing in laboratories and hospitals. Options include barometric air pressure, CO, CO2, formaldehyde, H2S, NO2, O2, O3, relative humidity, SO2, temperature, and volatile organic compounds (VOC). The AQ Expert features PC software and USB, Bluetooth, and optional wireless printing, and includes a large internal memory, a Li-Ion rechargeable battery, and dual-temperature test clock (TcK) inputs. Designed and produced in the United States, the device is available with an optional handheld probe and an active internal sampling pump. For more information, visit E Instruments International.