310 CO2 Non-dispersive infrared carbon dioxide transmitters.  Designed to measure environmental carbon dioxide levels in ventilation systems and indoor living spaces in compliance with ASHRAE and other ventilation efficiency standards. They include a relay output that can be configured to open or close above a user adjustable setpoint. An optional LED display is available to indicate concentrations at the unit.  B40   packaged in a compact attractive enclosure. Isolated power terminals and a fully floating analog output simplify installation. The analog output is jumper-selectable for either 4-20 mA or 0-10 VDC.

FEATURES

• 24 VAC or 24 VDC power
• 0-10 VDC or 4-20 mA analog output, jumper-selectable
• 0-2000 ppm CO2 range
• Wall mount and optional duct sampling versions
• Electrically isolated output and power
• Compact attractive enclosure
• Alarm relay output with field-adjustable setpoint
• Simple single point calibration
• LCD display
• Optional duct mount and tubing upon request

 Dimensions & Wiring