Smart Sensor AR8200 CO2 Carbon Dioxide Detector LCD Flash Buzzer HVAC

AR8200 CO2 Detector uses electro-chemical sensor instead of NDIR infrared type in most others. So it gives higher accuracy (0.1% vs 5%) and faster response time (50s vs 120s). Built-in audio and visual alerts.

Measure range: 350~9999 ppm.