標準號：ISO 8990-1994
中文標準名稱：絕熱 穩態傳熱性質的測定 校準和防護熱箱法
英文標準名稱：Thermal insulation - Determination of steady-state thermal transmission properties - Calibrated and guarded hot box
標準類型：P31
發布日期：1999/12/31 12:00:00
實施日期：1999/12/31 12:00:00
中國標準分類號：P31
國際標準分類號：27.220
適用范圍：Lays down the principles for the design of the apparatus and minimum requirement that shall be met for determination of the laboratory steady-state thermal transmission properties of building components and similar components for industrial use. Does not specify a particular design. Describes also the apparatus, measurement technique and necessary data reporting. Primarily intended for laboratory measurements of large, inhomogeneous specimens. Does not provide for measurements where there is mass transfer through the specimen during the test.