APPLICATION

• The sensor is designed for indoor carbon dioxide concentration measurement and respective air capacity regulation through the control output signal to the fan.
• Air capacity control based on CO₂ concentration is an efficient energy saving solution.

TECHNICAL SPECIFICATIONS

• Power supply / Consumption : 24VAC (50/60Hz ± 10 %), 24VDC / max. 1.6 W.
• Gas sensing element : Non-dispersive infrared detector (NDIR) with self-calibration system.
• CO₂ measuring range : 0 - 2.000 ppm (parts per million).
• Accuracy at 25 °C, 2.000 ppm : ± 30 ppm + 3 % of reading.
• Response time : < 2 minutes.
• Warm up time for each turning-on : 2 hours (first time) / 2 minutes (operation).
• Analogue output : 0 - 10VDC (default), 4 - 20mA selectable by jumpers.
• On/Off output : 1 x 2A switch load. Four set points selectable by jumpers.
• 6 LED lights :

1st green indicator lights when CO₂ concentration is below 600 ppm.

1st and 2nd green indicators light when CO₂ concentration is 600 - 800 ppm.

1st yellow indicator lights when CO₂ concentration is 800 - 1.200 ppm.

1st and 2nd yellow indicators light when CO₂ concentration is 1.200 - 1.400 ppm.

1st red indicator lights when CO₂ concentration is 1400 - 1600 ppm.

1st and 2nd red indicators light when CO₂ concentration is above 1.600 ppm.

• Operation conditions/ Storage regulations : 0 - 50 °C, 0 - 95% RH non condensing / 0 - 50 °C.
• Net weight / Dimensions :120 g / 100 mm × 80 mm × 30 mm.
• Mounting standard : 65 mm × 65 mm wire box, or hang on a nail.
• Standard Approval : CE.