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These are new in box Siemens QPA63.1 Indoor Air Quality Sensors. They detect CO2 and VOC (Volitile Organic Compound) and give a 0-10VDC output. They have a measuring range of 0-2000ppm, they have no need for calibration. A detailed PDF can be found here: http://www.sbt.siemens.com/sbttemplates/library/pdf/149399.pdf We have many controls, sensors, valves, and accessories that are not listed in our store, please send us an email or call us for more information! Dave.Utz.@thermaltecsystems.com (We do not proofread any ads submitted by members) |
Jeannie_Perkins@desmoines-classifieds.com (Jeannie Perkins) for more information. Your emails will be instantly forwarded to the poster's private address.
