General description The Portable Electrochemical Sensor CO Tester is designed to accurately measure carbon monoxide levels in the air. Featuring a clear LCD screen, this device provides real-time readings with sound and light alarms to alert users of dangerous CO levels. Its compact design makes it easy to carry, ensuring you can monitor air quality wherever you go. Technical specifications Sensor type: Electrochemical sensor Detection range: 0-1000 ppm ± 10% ppm Resolution: 1 ppm Working environment: -10~50 °C; Humidity ≤ 95% RH without condensation Temperature measurement range: -10-50 °C Temperature measurement error: ± 1 °C Humidity measurement range: 0% -99% RH Humidity measurement error: ± 5% RH Battery capacity: 800 mAh Battery life: Approximately 18 hours on screen and 40 hours off screen Charging time: Approximately 1 hour Charging method: USB Type-C Product size: 16 x 35 x 105 mm Screen size: 0.96 inch TFT color screen Material: Plastic Color: Black Other information Package