Creating a Healthier and Safer Environment CONTROLS CO2 & Temperature Sensor Features: The CO2 & Temperature Sensor is used to monitor room CO2 level, as well as room temperature and humidity. It provides one on/off relay output to control a ventilator with four CO2 levels preset and features both an audible alarm and a three colour backlit switching alarm display. » Three colour (green/yellow/red) LCD backlight indicating ventilation requirement based on CO2 measurement » Non dispersive infrared sensing technology » Digital display of carbon dioxide levels (ppm) » Temperature monitoring » Dual alarm indication; audible alarm and backlight colour switch Version 2.1 Tel: +44 (0)1543 44 30 60 www.secontrols.com Fax: +44 (0)1543 44 30 70

)2 & Temprature Sensor Technical Drawii The AutoCAD drawing for this product can be found at www.secontrols.com echnical Data Connections PRODUCT CO2 & Temprature Sensor POWER COMSUMPTION 3.5W max. : 2.5W average STORAGE TEMPERATURE RANGE -40 ~ 70oC (-40 ~ 158oF) OPERATING TEMPERATURE RANGE 0 ~ 50oC (32 ~ 122oF); 0 ~ 95% RH, non-condensing SIGNAL UPDATE Every 2 seconds ACCURACY @ 25°C ± 60ppm + 3% of reading CO2 MEASURING RANGE 0 ~ 2,000ppm CO2 DISPLAY RESOLUTION 1ppm TEMPERATURE MEASURING RANGE 0 ~ 50oC (32 ~ 122oF) HUMIDITY MEASURING RANGE 0 ~ 99% RH PC INTERFACE RS485 interface (optional)...