E Inst_AQ Pro-VOCThe AQ Pro-VOC indoor air quality (IAQ) monitor from E Instruments, Langhorne, Pa, provides real-time data logging for IAQ analysis in laboratories and cleanrooms. The compact, handheld unit includes a volatile organic compounds sensor with a low range of 0 to 22 parts per million (ppm) and a high range of 0 to 200 ppm. The standard model detects temperature, % RH, barometric air pressure, and differential pressure, while upgraded units can add formaldehyde, H2S, NO2, O2, and SO2. The unit comes equipped with an active internal sampling pump, a magnetic rubber boot, Bluetooth, PC software and a USB port, and a rechargeable Li-ion battery. Designed and made in the United States. For more information, visit E Instruments.