Thermal Insulation Performance Tester for Doors and Windows
The Thermal Insulation Performance Tester for Doors and Windows is designed for the accurate determination of thermal insulation performance of building envelopes under steady-state conditions. The system integrates advanced digital temperature sensing technology with PID control to ensure high measurement accuracy, operational stability, and reliable long-term performance. All data acquisition, test execution, diagnostics, and result processing are automatically completed by the host computer, enabling standardized, repeatable, and fully automated testing in compliance with national standards.
Applications
The system is widely used for thermal performance evaluation and grading of building components, including but not limited to:
(1) External building doors
(2) External windows and skylights
(3) Curtain wall components
(4) Residential and commercial window systems
(5) Insulated wall assemblies
(6) Ceilings and roof components
(7) Floor slabs and sandwich panels
(8) Industrial enclosure panels and similar construction elements
Standards
(1) GB/T 8484-2008 — Classification and Test Method for Thermal Insulation Performance of Building External Doors and Windows
(2) GB/T 13475-2008 — Thermal Insulation — Calibration and Guarded Hot Box Method for Determining Steady-State Thermal Transmission Properties of Building Materials and Components
Technical Parameters
Door and Window Thermal Insulation Section
| Parameter | Specification |
|---|---|
| Power Supply | AC 380 V, ≤ 9 kW, three-phase five-wire |
| Overall Dimensions (L × W × H) | 3900 × 2700 × (Cold chamber 3500 mm; Hot chamber 3150 mm) |
| Test Efficiency (Intermittent) | 8–10 h per specimen |
| Test Efficiency (Continuous) | 7–9 h per specimen |
| Specimen Size | 1800 mm × 2400 mm |
| Hot Chamber Temperature Range | 10–50 °C (settable) |
| Hot Chamber Measurement Accuracy | ≤ 0.1 °C |
| Hot Chamber Temperature Fluctuation | 0.01–0.1 °C |
| Cold Chamber Temperature Range | −22 to −10 °C (settable) |
| Cold Chamber Measurement Accuracy | ≤ 0.1 °C |
| Cold Chamber Temperature Fluctuation | 0.01–0.1 °C |
| Hot Chamber Power Measurement Range | 10–1100 W |
| Power Measurement Accuracy | Class 0.2 |
| Steady-State Power Fluctuation | ≤ 0.2–1 W |
| Heating Method | Direct electric heating |
| Measurement Repeatability | ≤ 5% |
| Temperature Measurement Points | 144 points |
| Control System | Imported Omron PLC |
| Insulation Material | 100 mm PUR (polyurethane foam) panels |
| Refrigeration System | Integrated unit |
| Software Functions | Automatic control, acquisition, curve display, report generation |
Wall Thermal Insulation Section
| Parameter | Specification |
|---|---|
| Specimen Size | 1880 mm (W) × 400 mm (max thickness) × 2000 mm (H) |
| Cold Box Dimensions | 2000 × 1100 × 2000 mm |
| Hot Box Dimensions | 2000 × 500 × 2000 mm |
| Metering Area | 1200 mm × 1200 mm |
| Power Meter Accuracy | Class 0.5 |
| External Wall Thermal Resistance | > 3.5 |
| Minimum Specimen Thermal Resistance | ≥ 0.1 (m²·K)/W |
| Hot Box Maximum Heating Power | 0.5 kW |
| Hot Box Control Temperature | 10–40 °C |
| Cold Box Control Temperature | −20–20 °C |
| Temperature Measurement Accuracy | 0.1 °C |
| Temperature Measurement Points | 48 points |
Features
(1) Fully automatic test control, data acquisition, diagnostics, and result processing via host computer
(2) Advanced digital temperature sensors combined with PID self-tuning control technology
(3) High-precision temperature measurement with low failure rate
(4) Test chamber and specimen frame manufactured using polyurethane foaming technology for excellent insulation and durability
(5) Fully enclosed system design with high sealing performance
(6) 100 mm thick PUR insulation panels with excellent chemical stability and mechanical strength
(7) Integrated refrigeration unit with stable cooling performance and long continuous operating capability
(8) Solid adsorption dehumidification system with reusable desiccant
(9) Control core based on imported Omron PLC and temperature expansion modules
(10) Solid-state, contactless output switching devices with high reliability and low noise
(11) RS-232 serial communication interface for stable and reliable data transmission
(12) Automatic and manual operation modes for testing and system commissioning
(13) Automatic generation of test results and standardized test reports
(14) Built-in pressure and overheating protection for refrigeration system
(15) Low operating noise and long service life of refrigeration components
FAQ
(1) What is this product?
It is a thermal insulation performance tester designed to measure heat transfer and insulation characteristics of building doors, windows, and structural components.
(2) What is it used for?
It is used to determine thermal transmittance, insulation grading, and condensation resistance of building envelopes under steady-state conditions.
(3) Why is it important?
It provides standardized, accurate, and repeatable data required for product certification, quality control, and compliance with building energy-efficiency regulations.
(4) What products can it test?
External doors, windows, skylights, walls, ceilings, floors, and industrial building components.
(5) What types are there?
The system supports configurations for door and window testing as well as wall and building component thermal insulation testing.
(6) How does it operate?
After specimen installation, the system automatically controls chamber temperatures, collects thermal data, evaluates steady-state heat transfer, and generates complete test reports through computer-based control.
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