Visualization of CO2 concentration as a benchmark for ventilation Compliant with Ministry of Economy, Trade and Industry "Guidelines for Selection of Carbon Dioxide Concentration Measuring Instruments" Use of High-Precision optical NDIR dual beam Sensor Correction function embedded for measured CO2 concentration Visualize ventilation when monitor shows CO2 concentration of 1,000 ppm or less 350 Healthy CO2 level 800-1,000 ppm and maintain energy-efficiency Preferred healthy and normal level outdoors Feel drowsy or discomfort, or smell odors Damage is expected if it continues for a long time ASHRAE recommended level Building Hygiene Control Law (incl.Hospital etc.) School Hygiene Management Act *Please feel free to contact us with any questions before purchasing. *Reception hours are from 9:00 a.m. to 5:00 p.m. JST(excluding weekends and holidays) Planning, Designing, and sales: C.H.C. SYSTEM TOKYO, JAPAN Product HP C.H.C.SYSTEM plans,develops,and provides Japan's first full-scale carbon dioxide measuring inst

Manufacturer's recommended retail price USD Measurement method Optical NDIR (non-dispersive infrared absorption method) dual beam sensor CO2 concentration ppm, temperature °C, humidity % Installation method Desktop (use by rear stand) or wall mounted Display panel Large screen semi-wide approximately 3.9 inches (85 x 50 mm) Power supply DC5V USB cable specification ⇒ Mini USB side connection AC adapter included *Not rechargeable or battery-powered Usage conditions Temperature: 0-50°C; Humidity: 95% RH or less Measurement range Measurement accuracy Green: <800 ppm・Yellow: 800-1,000 ppm・Red: >1,000...