The E Instruments AQ VOC handheld indoor air quality monitor includes a selectable VOC sensor. The standard model measures temperature, % RH, barometric air pressure and differential pressure. It comes with an active internal sampling pump, magnetic rubber boot, PC software and a Li-Ion rechargeable battery. The unit monitors CO2, O2, CO, NO2, H2S, SO2, NO and formaldehyde.

E Instruments International; 215-750-1212;