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SYA-73 Building Curtain Wall Exterior Doors and Windows Thermal Performance Testing Equipment (New Standard)

This equipment is manufactured in accordance with the latest national standard GB/T 8484-2020, “Classification and Test Methods for Thermal Performance of Building Exterior Windows,” and is used to measure the thermal transmittance (K‑value) and the anti‑condensation factor of building curtain walls. The device is based on the principle of steady‑state heat transfer and employs the calibrated hot‑box method for its calibration.

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Building Energy-Efficient Material Testing Equipment

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lbt@lbt.ltd

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+86-15102211717

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SYA-73 Building Curtain Wall Exterior Doors and Windows Thermal Performance Testing Equipment (New Standard)

Description

Product Introduction:

This device is manufactured in accordance with the latest national standard GB/T 8484-2020, “Classification and Test Methods for Thermal Performance of Building Exterior Windows,” and is used to measure the thermal transmittance coefficient K and the anti‑condensation factor of building curtain walls. Based on the principle of steady‑state heat transfer, the equipment employs the calibrated hot‑box method. After sealing the gaps of the test specimen and maintaining stable air temperature, airflow velocity, and thermal radiation conditions on both sides of the specimen, the heat output of an electric heater is measured to calculate the thermal transmittance coefficient K per unit area under a specified temperature difference, with units expressed as watts per square meter‑degree.

Product Features:

1. The equipment employs a computer as its central controller to manage the entire testing process. It sends commands to the data acquisition unit for temperature data collection and processing, and to the power meter for power data collection and processing, with an intuitive and user-friendly interface.

2. It employs the high-precision DLS18B20 temperature sensor from the United States, with PID control. The PID parameters are auto-tuned via software and the system automatically performs calculations according to the programmed sequence. The data acquisition interval can be set arbitrarily, and the test results can be monitored and output at any time.

3. The equipment is equipped with nearly 200 temperature measurement points, used to measure the temperatures of laboratory air, the outer wall of the hot chamber, the inner wall of the hot chamber, the air inside the hot chamber, the hot side of the specimen frame, the cold side of the specimen frame, the air in the cold chamber, and the cold and hot surfaces of the filling material, as well as the surface temperatures of glass and profiles.

Technical Specifications:

Parameter Category	Parameter content
External dimensions of the equipment insulation enclosure	Length 6,500 × Width 5,100 × Height 5,800 mm
Equipment footprint dimensions	Length 8,000 × Width 6,500 × Height 6,800 mm
Temperature range	Hot chamber: 0–20°C; Cold room: -20 to 0°C
Temperature control accuracy	External environment: ±0.5℃, Temperature field uniformity: ≤0.5℃, Hot chamber: ±0.1℃, Cold chamber: ±0.2℃
Hot Cell Power Control	DC regulation, power ripple: ≤0.3 W, accuracy: Class 0.5
Wind Speed Control on the Hot and Cold Sides of the Specimen	Cold side: continuously adjustable from 1 m/s to 5 m/s; Hot side: 0–0.5 m/s, continuously adjustable
Power supply	AC 380V
Total power	15kW

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FAQs

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Customer Reviews

European Plastic Pipe Manufacturer｜Purchase: Ring Stiffness & Hydrostatic Burst Tester

From Thomas Bennett, Quality Director, UK plastic pipe factory

2026.06.05

★★★★★

“We have purchased two sets of pipe testing equipment from Laibote (Tianjin) for 18 months. The ring stiffness and hydrostatic burst testing machines run stably for daily batch inspection, test data matches ISO standard requirements precisely, and the intelligent test software is easy for our operators to master. Their after-sales team offers timely remote technical guidance whenever we have operational problems, spare parts supply is efficient. We have arranged a second bulk order for our new production workshop and will recommend Laibote’s testing machines to our industry partners across Europe.”

Middle East Construction Lab｜Purchase: Universal Electronic Testing Machine & Geotextile Test Equipment

From Mohamed Kareem, Lab Manager, UAE third-party construction inspection institute

2026.06.05

★★★★★

“We compared multiple testing equipment brands from Europe and China before cooperating with Laibote. Their WDW universal tester and full-set geotextile testing instruments meet local construction testing standards perfectly. Custom fixtures tailored per our specimen specifications save much testing time. Pre-sale technical communication was patient and professional; engineers provided online operation training after goods arrived. Stable machine performance greatly improves our laboratory’s detection efficiency, we are satisfied with cost performance and overall service.”

Southeast Asia Rubber & Polymer Factory｜Purchase: Vicat Softening Point & Tensile Testing Machine

From Tanaka Hiroshi, R&D Supervisor, Indonesia rubber materials enterprise

2026.06.05

★★★★★

“Laibote’s Vicat softening point tester and electronic tensile machine have been applied to our raw material incoming inspection and new formula development for over one year. High testing accuracy effectively controls our product defect rate. What impresses us most is their responsive after-sale service; technical staff reply our troubleshooting requests within 24 hours even for time zone differences. Compared with expensive European brands, Laibote’s equipment balances quality and price excellently, we plan to expand procurement of auxiliary testing instruments next quarter.”

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SYA-73 Building Curtain Wall Exterior Doors and Windows Thermal Performance Testing Equipment (New Standard)

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