Gas analysis appearance dehumidification edulcoration system under little positive negative micro -pressure operating mode

The utility model provides a gas analysis appearance dehumidification edulcoration system under little positive negative micro -pressure operating mode, the utility model relates to a gas analysis appearance dehumidification edulcoration system, gas analysis appearance (1), rotor flow meter A (3), rotor flow meter B (4), air decompression filter A (5), jet pump (6), filter A (8), instrument wind entry (9), air decompression filter B (11), filter B (12), gas medium enter the mouth (14), revolve cold appearance (16), remove water pitcher (17), rationally connect between gas medium outer discharge opening (18) and waste liquid port (21), the utility model discloses a filter B, filter A realize that two -stage filtration eliminates a small amount of particulate matter in the gas, overcome negative micro -pressure or unable sample or the circulation volume excessively low problem of pressure -fired to coming through the jet pump, for the safety of guaranteeing the operation personnel, increase the blowback in the