A sampler for taking samples from a molten metal bath, particularly a molten iron, the sampler comprising: - a carrier tube having an immersion end; - a sample chamber assembly arranged on the immersion end of the carrier tube, the sample chamber assembly comprising a cover plate and a housing, wherein the housing includes: - an immersion end having a first opening for an inflow conduit and an opposing end having a second opening for receiving a gas coupler, both ends defining a longitudinal axis and - a first face extending in a first plane between the immersion end and the opposing end, the first face having a first depression proximate the immersion end and a second depression, the first depression being an analysis zone and the second depression being a ventilation zone, a portion of the analysis zone overlying a distribution zone which is in direct flow communication with the first opening and configured to receive the molten iron from the inflow conduit, wherein a depth of the analysis zone is 0.5 mm to 1.5 mm, - wherein the cover plate and the housing are configured to be assembled together to form a sample cavity including the distribution zone, the analysis zone and the ventilation zone, - wherein the assembled cover plate and housing are configured to chill the molten iron received therein to a solidified white structure metal sample, such that an analysis surface of the solidified white structure metal sample lies in the first plane, and - wherein the first and second openings (20, 22) are spaced apart from the first plane, characterized in that - a first portion of a bottom surface of the distribution zone extends in a horizontal plane parallel to a longitudinal axis, and a second portion of the bottom surface is angled, such that the depth of the distribution zone decreases in the flow direction of the hot metal from the inflow conduit toward the gas coupler, and further characterized in that - the ratio of the mass of the sample chamber to the mass of the hot metal collected within the sample chamber is in the range of 9 to 12. - a carrier tube having an immersion end; - a sample chamber assembly arranged on the immersion end of the carrier tube, the sample chamber assembly comprising a cover plate and a housing, - an immersion end having a first opening for an inflow conduit and an opposing end having a second opening for receiving a gas coupler, both ends defining a longitudinal axis and - a first face extending in a first plane between the immersion end and the opposing end, the first face having a first depression proximate the immersion end and a second depression, the first depression being an analysis zone and the second depression being a ventilation zone, a portion of the analysis zone overlying a distribution zone which is in direct flow communication with the first opening and configured to receive the molten iron from the inflow conduit, wherein a depth of the analysis zone is 0.5 mm to 1.5 mm, - wherein the cover plate and the housing are configured to be assembled together to form a sample cavity including the distribution zone, the analysis zone and the ventilation zone, - wherein the assembled cover plate and housing are configured to chill the molten iron received therein to a solidified white structure metal sample, such that an analysis surface of the solidified white structure metal sample lies in the first plane, and - wherein the first and second openings (20, 22) are spaced apart from the first plane, characterized in that - a first portion of a bottom surface of the distribution zone extends in a horizontal plane parallel to a longitudinal axis, and a second portion of the bottom surface is angled, such that the depth of the distribution zone decreases in the flow direction of the hot metal from the inflow conduit toward the gas coupler, - the ratio of the mass of the sample chamber to the mass of the hot metal collected within the sample chamber is in the range of 9 to 12.