Benetech GM8805 Portable Carbon Monoxide Meter

Features  1.Large-screen digital and character display, instant value and maximum value display 2.Safety indication: regular light flashing and voice indication.When carbon monoxide concentration increases, buzzing voice frequency would also be increased. 3.Excellent audible alarm. 4.Low maintenance cost. 5.Support carbon monoxide detection. 6.Solid shell and robust electric characters. 7.Carbon monoxide concentration of 0-1000ppm can be displayed on the large LCD screen. 8.Bright back-light lightening; it can clearly indicate carbon monoxide detector under dark environment. 9.Automatically shut off if it is not operated for 10 minutes, to extend battery service life. 10.Convenient to replace battery. 11.Special sensor for stable electronic chemistry carbon monoxide 12.Sensor of over three-year service life and battery of 100-hour alkaline service life (typical value). Specifications Detected gas CO in air Measuring range 0~1000ppm Frequency ratio 1ppm Minimum reading