Fast and reliable gas flow test in about 3 seconds - Precise gas flow design plus instrument-level circuit design deliver quick, consistent results in roughly 3 seconds. Removable air intake nozzle for safety and hygiene - Hygienic, easy to carry, and built with PP food-grade material for safe handling and durability. User-friendly operation with clear feedback - Simple operation steps and clear test results, with beep prompts to confirm status. 2-3 practical use scenarios - In the laboratory: quickly verify gas flow during experiments to save time and improve accuracy. - On site or in the field: perform rapid checks of gas flow in installed systems for immediate performance validation. - Training or demonstrations: use the audible prompts and simple steps to teach proper gas flow operation. Key attributes - Function: gas flow measurement and verification with fast, reliable results. - Material: PP food-grade, safe for hygienic use. - Portability: compact and easy to carry. - Performance: results in about 3 seconds; clear operation guidance with audible feedback.