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QBW-1515 Building Wall Steady-State Heat Transfer Performance Testing Machine

The QBW series building wall steady-state heat transfer performance testing machine is developed and produced based on GB/T13475-2008 "Determination, Calibration, and Protective Heat Box Method for Steady-State Heat Transfer Properties of Building Components". It uses the principle of the protective heat box method, while also integrating the calibration heat box method. It is mainly used to measure the heat transfer coefficients and thermal resistance of various building walls, and is also suitable for testing the heat transfer coefficients of various panel insulation materials, hollow glass, laminated glass, and so on.

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1. Equipment Introduction
The QBW series steady-state heat transfer performance testing machine for building walls is developed and produced based on GB/T13475 'Determination, Calibration, and Protective Heat Box Method for Steady-State Heat Transfer Properties of Building Components'. It uses the principle of the protective heat box method and integrates the calibration heat box method. It is mainly used to determine the heat transfer coefficients and thermal resistance of various building wall materials, and is also suitable for testing the heat transfer coefficients of various board insulation materials, hollow glass, laminated glass, etc.
2. Main Technical Indicators
(1) Protective box temperature control range: 15~50℃, continuously adjustable, control accuracy: ±0.1℃;
(2) Cold box temperature control range: -10~-20℃, control accuracy: ±0.2℃;
(3) Measurement accuracy of the instrument: ≤±5%, repeatability: ≤±1%;
(4) Rated power supply: Power supply: AC380V, three-phase five-wire system: 3kVA
(5) Specimen specifications: 1212 type: Maximum test specimen size: 1630mm×1630mm×300mm;
1515 type: Maximum test specimen size: 1920mm×1920mm×450mm.
(6) Dimensions: 1212 type: 2560mm×2450mm×2150mm (length×width×height);
Minimum footprint: 3500mm×5000mm×3200mm (length×width×height).
1515 type: 2600mm×2600mm×2400mm (length×width×height);
Minimum footprint: 4000mm×5500mm×3500mm (length×width×height).