R404A detector
Used to detect refrigerant leaks of R22, R134a, R410A, R404A, R32, etc., preventing suffocation and poisoning in enclosed spaces. R32 and others also pose explosion risks. Widely used in refrigeration rooms, cold storage, central air conditioning machine rooms, and cold chain workshops, complying with the mandatory requirements of the Chinese standard GB50072-2021 Code for Design of Cold Storage.