• Measures: 0-2,000 ppm CO2, Factory adjustable to 10,000 ppm
• Accuracy: ± 30 ppm + 3% of reading
• Power: 24 VAC
• CO2 output: 0-10 V, 0-5 V, 4-20mA
• Maintenance free for 15 years or more · Also available as a LonMark Certified Product for TR9292, TR9293 and TR9294 models

Key Features

• Built in self calibration feature results in zero maintenance over sensor rated life (15 years)
• Background calibration feature also automatically considers outside concentrations without an outside sensor (see "Background On Sensor Self Calibration" to left)
• Utilises patented gold plated optical sensing element with 4.7 inch extended measurement path length for maximum stability & resolution. (see "Length Matters" to left)
• ISO-9001 manufactured for quality · Now also available with LonWorks® communication capability as a LonMark® Certified product.

Related Products

The PT9250 Handheld CO2 monitor can be used in commissioning CO2 sensors and in characterising ventilation rates. It can also be used to estimate potential energy savings in CO2 retrofits (see "Assessing Buildings for CO2 Retrofits" to left).