Introduction:   UT337A is a kind of portable designed Carbon Monoxide Meters, which has wide range of measurement, short response time and long lifetime. It also has the function of light and sound alarm, displaying the maximum of CO value and temperature. The machine can be used in the area such as houses, restaurants, indoor parking room, heating facilities, office block, etc.  Features: 1.Imported high-sensitivity sensor, wide range of measurement, short response time, long lifetime; 2.The alarm of light and sound; 3.Sensor self-check function; 4.Battery powered, 20 minutes automatic power off that can save the power; 5.Portable designed ( need several detector when under the stationary measurement, the portable designed can change the test spot flexibly, which lower the cost.); 6.The alarm value of Carbon Monoxide can be set; 7.The value of Carbon Monoxide is shown on the LCD, the maximum can be set to display; 8.The temperature can be displayed; 9.Backlight of LCD, which can be used in the dark.        Parameter:           Specifications                Model     UT337A           CO Measure Range     0~1000ppm           Accuracy     ±5% or 5ppm           Resolution     1ppm           Response Time     <60S (90% of reading)           Sensor Type     Electrochemical Gas Sensor (CO)           Sampling Method     Diffusion           Features           Max Hold     √             Alert Value Setup     √             Audiable Alert     √             Virtual Alert     √             Temperature Display     √             Sensor Self-Test     √             User Calibration     √             Display Backlight     √             Low Battery Indication     √             Auto Power Off     √             General Characteristic            Power     AAA 1.5V x 4           LCD Size     26.5mm × 35.5 mm           Product Color     Red and Grey           Product Net Weight     140 g           Product Size     197mm × 54.8mm × 33.