Cresel Carbon Dioxide Concentration Meter CO2R-100 1 unit

Catalog number: CO2R-100 Features: ● Displays the status with 4 color zones (red for overcrowding, orange for ventilation, yellow for caution, green for safety). ● Can be used for about 7 hours on a full charge. ● Can be used continuously with the included Micro USB power supply. Uses: ● To notify of crowded places and stagnant air Specifications: ● Target gas: Carbon dioxide ● Width (mm): 70 ● Depth (mm): 35 ● Height (mm): 90 ● Measurement range (ppm): 400 to 6000 ● Resolution (ppm): 1 ● Temperature measurement range (℃): -10 to 50 ● Humidity measurement range (%Rh): 20 to 95 ● Temperature accuracy (℃): ±2 ● Humidity accuracy (%Rh): ±10 ● Power supply (V): DC5V 500mA ● Charging method: Micro USB ● High-precision [CO2] sensor (non-dispersive infrared method) ● Includes thermometer and hygrometer ● Includes automatic and manual calibration functions ● Passed domestic inspection for peace of mind Material/Finish: ● ABS resin Set contents/Accessories: ● Micro USB power supply