The Nose 3 (Model NA-3000 and N-3000) multi-sensor from Pure Choice, accurately measures CO2. temperature and RH in a single compact unit. It provides an economic solution for limited space applications and eliminates the need to purchase and install individual sensors. The Nose monitor comes in an attractive, durable housing that is perfect for any environment, combining esthetics and performance. The Nose 3 is available with independant, field selectable 4-20 mA or 0-10 VDC outputs for each sensor (NA3000) or it is available as a LON communications device (N-3000).