AS8700A Portable CO Gas Analyzers Handheld Carbon Monoxide Meter Tester Detector Monitor Gauge LCD Display Sound Light A OOTDTY Features: A carbon monoxide detector is a portable detector for the detection of carbon monoxide (CO). It can continuously monitor the concentration of CO gas in the surrounding environment, when the gas concentration reaches the alarm level, the alarm will sound, light up. The high-precision portable CO gas tester with small size and light weight is easy to carry and operate. It is widely used in petroleum, chemical, coal, metallurgy, paper, fire, municipal, telecommunications, food, textile and other industries. Features: Portable detector for detecting carbon monoxide (CO) gas. It can continuously monitor the concentration of CO gas in the surrounding environment. A beep sounds when the concentration of CO gas reaches the alarm level. Compact size, light weight, easy to carry and operate. Professional and accurate measurement. Large LCD display and C/F switch. You can set the concentration of the alarm value. Auto shut off within 10 minutes without any operation. Color: Orange + Black Material: ABS Plastic Sensor Type: Stabilized Electrochemical Gas (CO) Detection Gas: Carbon Monoxide (CO) Temperature Measurement: Ambient Temperature Display Unit: CO: ppm, Temperature: C/F Measurement Range: CO: 0 - 1000PPM, Temperature: 0 - 50C / 32 - 122F Resolution: CO: 1PPM, Temperature: 0.1C/0.1F Accuracy: CO: 5% or 10ppm, temperature: 1.5 C Response time: lt; 60sgt; Alarm: Sound & Light Alarm Point: 24ppm setting (adjustable) Battery Type: 3 * 1.5V AAA Alkaline Batteries (Not Included) Operating Temperature: 0 - 50C, Relative Humidity 1% - 99% Storage Temperature: -30 - 60C, Relative Humidity: 1% - 99% Product Size: Approx. 135*50*35mm / 5.31*1.97*1.38in (L * W * H) Item Weight: Approx. 89g / 3.13oz Package Size: Approx. 21.5*15*5cm / 8.46*5.91*1.97in (L * W * H) Package Weight: Approx. 127g / 4.48oz Note: Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Included: 1 * Carbon Monoxide Meter 1 * User Manual