IR-force 300 Working Theroy: The 13C Infrared Spectrometer IR-force 300 is composed of high selective 13CO2 and 12CO2 detectors, which are used to analyze the CO2 exhaled by a patient in order to diagnose whether this patient is infected by the Helicobacter Pylori. Clinic application: to test Helicobacter Pylori in human stomach and duodenum. Specification: Dimensions: 480 (L) x400 (W) x390 (H) Weight: 15.6kg Power supply: 100v-220v, 50-60 Hz Precision: 0.3δ13C CO2 density: 0.5-5% Analysis speed: 3 mins/sample Features: High accuracy: less than 0.3δ 13C; Easy operation: 1. start the equipment; 2. collect patients breath samples; 3. machine automatically analyzes and prints the report; Quick test: each test takes less than 3 mins; Powerful database management: the software has memory, check, sort data and analysis functions; Self-checking function: unique self-diagnosis, self-adjusting functions. Users are very well informed about its working condition; Low cost operation: low power, no other gas consumption; Friendly software operation screen: English operation screen, easy to use.