The perfect tool for the calibration or linearity check of  detectors, monitors, analysers and sensors. An accurate measurement of a gas concentration involves several parameters like sampling, measurement technique, analyser, operator and calibration. In some cases, very high accuracy is required. LNI has been using a unique precise technology for years. Our gas mixer utilizes the Sonic Nozzles technology to generate specific gas mixtures. The Laval equations show that the flow is not influenced by pressure atmospheric changes. This is why is the most accurate gas mixer in the market with 0.6% relative. Calibration with dynamic methods have several benefits.