GS-CD-T51S Carbon Dioxide (CO2) Switch

• High Accuracy & Stability
• Intuitive 6 LED Display
• 15 year recommended calibration interval
• Wall mounting
• Mains Powered
• Monitors the range 0 to 2000ppm as standard

• Sensor Type: Non-dispersive infrared (NDIR), Gold plated optics
• Measurement Range: 0-2000ppm (Factory calibrated)
• Calibration Interval: Not Required (see ABC Software)
• Measurement Drift: better than +/- 20ppm
• Stability: Self-calibrating, <2% of FS over life of sensor (15 year typical)
• Temperature Dependence: 0.2% FS per °C
• Signal Update: every 4 seconds
• Warm-up time: 10 minutes for maximum accuracy
• Power Supply: 90 to 260Vac 50-400Hz @ < 1.5W average 
• Operating Conditions: 0°C to +50°C Temp, 0 to 95% RH, non condensing
• On-Off-Manual Switch: 
• LED Displays:
• Blue LED On  <800ppm  (indicates over ventillation)
  Green LED On  800-1199ppm  (CO2 levels within acceptable limits)
  Yellow LED On  1200-1499ppm (CO2 levels are high - indicates under-ventillation)
  Red LED On  > 1500ppm (CO2 levels are very high - indicates ventillation required
  Two Red LED's On > 2000ppm (CO2 levels are extremely high - indicates ventillation required)
• Housing: Flame-retardant ABS
• Dimensions: 87 mm x 82 mm x 27 mm (h x w x d), 75g, IP20
• Outputs: Switched Live SPDT Relay 230 V 8A resistive  (or Volt-free)
  Contacts isolated to LVD2006/95/EC.
• Output Switch Levels: User selectable at 1000 ppm (default) or 1500 ppm with hysterisis of 300ppm
   

Datasheet