prEN 1946-4 rev Thermal performance of building products and components - Specific criteria for the assessment of laboratories measuring heat transfer properties - Part 4: Measurements by hot box methods
This part 4 of this standard provides specific technical criteria for the assessment of laboratories to undertake steady-state heat transfer property measurements on products and components using calibrated or guarded hot box apparatus in accordance with EN ISO 8990:1996, including its application to doors and windows in accordance with EN ISO 12567, or using a heat flow meter in a hot box apparatus in accordance with EN 1934:1998. It complements the common criteria in Part 1.