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LBT-HW-711 Mask Leakage Test Chamber

Manufactured in accordance with relevant standards, it is primarily used for leak‑testing masks and respirators under specified conditions. It is suitable for mask and respirator manufacturers, quality‑control agencies, research institutions, and organizations involved in the use and wearing of such devices.

Category:

Mask testing instrument

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E-mail:

lbt@lbt.ltd

WhatsApp:

+86-15102211717

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Description

Product Introduction:

Product Features:

1. Utilizes computer control to display leakage and automatically calculate the leak rate.

2. A large‑size leak test chamber, facilitating movement and operations for testing personnel.

3. The test chamber features a stainless steel and transparent tempered glass construction, enabling real-time observation of the internal conditions.

4. Equip with both saline and oily aerosol generators that meet the standard requirements.

5. An aerosol particle counter from TSI (USA) is used to measure and collect particulate concentrations.

Applicable Standard:

GB2626

Technical Specifications:

Parameter Category	Parameter content
Saline aerosol generator	The flow rate is 100–150 L/min, with a concentration of 8 ± 4 mg/m³. ³ , with a particle size distribution of 0.02–2 μm and a mass median diameter of 0.6 μm. (Standard configuration; dedicated to the KN series; not applicable to the KP series.)
Oil-based aerosol generator	The flow rate is 100–150 L/min, with a concentration of 25 ± 5 mg/m³. ³ , with a particle size distribution of 0.02–2 μm and a mass median diameter of 0.3 μm. (Optional; for use exclusively with the KP series; not compatible with the KN series.)
Particulate matter collector	Range 0–200 mg/m³ ³ , with an accuracy of 1% and a response time of 200–450 ms.
Sampling flow pump	0.50–4 L/min, with a test flow rate of 1–2 L/min.
TSI aerosol particle counter	90° light scattering (photometer), range 0–200 mg/m³ ³ , with an accuracy of 1%, a particle size range of 0.1–0.6 μm, and a maximum flow rate of 3.0 L/min; the factory‑set range is 1.4–3.0 L/min.
Instrument dimensions (mm)	Test chamber: 1700×2200×2200; required floor space: 3000×2500×2300.

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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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Keywords:

LBT-HW-711 Mask Leakage Test Chamber

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E-mail:lbt@lbt.ltd

Address:Tianjin Jinghai Economic Development Zone

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