Key Specifications/Special Features:

• Main functions and characteristics ean-4b automotive emission analyzer (4-gas) is used to measure concentration of hc, co, co. 2. And o. 2. Contained in exhaust gases from gasoline engine of vehicles, automatically calculate air-fuel ratio ?. It can make a comprehensive test for combustion and exhaust pollution. The instrument is assembled with the ndir components and sensors by adopting advanced technology. It has the functions of automatic zeroing, high brightness digital display, and automatic linear data treatment, and automatic alarm when block of gas circuit. Equipped with analogue output interface and rs-232c serial digital communication interface, it has the advantages of convenient use, accurate measurement and reliable operation. Main specifications. Measuring range:. Hc: 0 to 10,000 ppm vol. Co: 0 to 10 % vol. Co. 2. : 0 to 18 % vol. O. 2. : 0 to 23 % vol. Indication error:. Hc: 卤30 ppm vol (absolute error) or 卤10% (relative error). Co: 卤0.2 % vol (absolute error) or 卤10% (relative error). Co. 2. : 卤1 % vol (absolute error) or 卤10% (relative error). O. 2. : 卤0.2 % vol (absolute error) or 卤10% (relative error). Response time: less than 10s; o. 2. Less than 12s. Warm-up time: 30min (when the environmental temperature is not less than 20潞c ). Power source: ac 220v 卤10% 50hz 卤1hz. Weight: 12kg. Outer dimension:. 320mm (width) x 200mm(height) x 540mm(depth).