Technical Specification IRC-TX NDIR CO2 Transmitter Board Base view Both 4-20mA and USB output Uses Alphasense IRC-A1 NDIR cell Adjustable bulb voltage to optimise long-term stability vs. resolution Four ranges Please specify required range when ordering Excellent linearity/accuracy ±50ppm from 5,000ppm at 20oC using generic linearisation Full sensor specification plugs directly into PC for simple data capture 4-wire or 2-wire and separate power supply (2.1mm DC socket) Power options USB port (4-20mA output switched off) 2.1mm DC socket 7 to 40VDC Molex connector 7 to 40VDC At the end of the product’s life, do not dispose of any electronic sensor, component or instrument in the domestic waste, but contact the instrument manufacturer, Alphasense or its distributor for disposal instructions. NOTE: all sensors are tested at ambient environmental conditions, with 47 ohm load resistor, unless otherwise stated. As applications of use are outside our control, the information provided is given without legal responsibility. Customers should test under their own conditions, to ensure that the sensors are suitable for their own requirements. Alphasense Ltd, Sensor Technology House, 300 Avenue West, Skyline 120, Great Notley. CM77 7AA. UK Telephone: +44 (0) 1376 556 700 Fax: +44 (0) 1376 335 899 E-mail: [email protected] Website: www.alphasense.com