Sensirion SFM4300 Evaluation Kit is designed to evaluate any SFM4300 mass flow sensor. This evaluation kit includes one SFM4300-20-P, one connector cable, and requires one SEK-SensorBridge that must be ordered separately. Sensirion SFM4300 Evaluation Kit offers high precision and sensitivity, a flow range from 0 to 20slm or 50slm, and measures O2, CO2, and N2O mixtures.