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SYA-18 Type On-Site Air Tightness Testing Equipment for Building Doors and Windows

The on-site airtightness testing instrument for building doors and windows is a specialized device designed to evaluate the air-tightness performance of these products. Typically comprising a differential pressure sensor, a control system, and a data acquisition system, the instrument features a compact, portable design that readily meets the demands of field testing.

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Building Energy-Efficient Material Testing Equipment

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lbt@lbt.ltd

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SYA-18 Type On-Site Air Tightness Testing Equipment for Building Doors and Windows

Description

Product Introduction:

Precise Measurement: The instrument employs a high-precision differential pressure sensor, enabling accurate measurement of the air pressure difference between the interior and exterior of doors and windows, thereby assessing their airtightness performance.

Convenient Operation: The instrument is equipped with a user-friendly interface and control system, making the testing process straightforward and easy to understand, allowing operators to get up to speed quickly.

Real-time Data Acquisition and Analysis: The tester can collect test data in real time and process it using its built-in data analysis software, delivering test results promptly.

High adaptability: This testing instrument is suitable for various types of doors and windows, including those made of wood, aluminum alloy, PVC‑steel, and other materials, thereby meeting a wide range of testing requirements.

High Efficiency and Energy Saving: The instrument employs advanced energy-saving technologies, enabling reduced power consumption while maintaining test accuracy. In terms of its operating principle, the on-site air-tightness tester for building doors and windows is primarily based on differential pressure measurement. During testing, the device connects to both the interior and exterior sides of the door or window via tubing, measuring the pressure difference when the opening is closed. Based on these measurements, the air-tightness performance can be evaluated; a stable, low-pressure difference indicates good air tightness.

Application areas:

This detector is widely used in the following fields:

Building Engineering: During the construction and installation process, air-tightness tests are conducted on doors and windows to ensure building energy efficiency and occupant comfort.

Quality Supervision: The quality inspection department uses this instrument to conduct quality testing on window and door products available on the market, ensuring that they meet relevant standards.

Product Development: Window and door manufacturers use this instrument during the product development phase to conduct testing, which helps optimize product design and enhance product quality.

Energy conservation and emissions reduction: By testing the air-tightness of doors and windows, it is possible to assess a building’s energy consumption and provide data to support energy-saving and emission-reduction efforts.

Technical Specifications:

Parameter item	Specific information
Wind Pressure Test Range and Accuracy	Range: -200 to 200 Pa; Accuracy: 0.5%
Wind Pressure Control Index	Accurate to 1 Pa
Airflow Measurement Range and Accuracy	Range: 0.0–360 m³/h; Accuracy: 1.5%
Device power consumption	Employing variable-frequency speed control technology, the power can be adjusted within the range of 0 W to 750 W.
Power distribution	Single-phase five-wire power supply: AC 220V, 750W, 50Hz
External dimensions	Accessory box: 1150×350×180 (mm) Fan unit: 480×390×520 (mm)

Instructions:

An AC 220 V, 50 Hz, 1000 W power supply must be available on site.
Connect the two terminals of the fan’s power cable: one to the power supply and the other to the control box, according to the terminal type.
Install the sealing plastic sheeting over the window. First, affix the adjustable support blocks to the window frame at the designated locations, then secure the sealing plastic sheeting to the window using wooden strips and small cement nails, ensuring it covers the entire opening. Finally, seal the window with sealing tape.
Connect the piping and the pressure-tapping line.
Connect all the cables to the laptop, then power it on and boot into the operating system.
Double-click the airtightness test icon to enter the main interface.

13. After the experiment, disconnect the power supply, remove the sealing cloth, and tidy up all experimental equipment.

Device Hardware Configuration

Serial number	Model Name	Functions and Technical Specifications	Quantity	Place of origin
1	Control box	Install the control system	1 set	Tianjin Leibote
2	Flow meter	Measure air flow rate	1 set	Suzhou
3	Pressure transmitter	Measure pressurization pressure	1 set	Kang Yu
4	Electrical components	Electrical connection	1 set	Chint
5	Inverter	Variable-frequency automatic pressure control	1 set	Easy Energy
6	Control board	Strong and weak current connections	1 set	Beijing
7	RS232-485 converter	RS-485 to RS-232 serial port conversion	1 piece	Beijing
8	Notebook	Uses a Tsinghua Tongfang brand computer.	1 set	Tsinghua Tongfang
9	Software	Automatic Control Operating System	1 set	Tianjin Leibote

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Customer Reviews

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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-18 Type On-Site Air Tightness Testing Equipment for Building Doors and Windows

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