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LBTZ-17 Waterproof Layer Impermeability Water Permeation Tester

This instrument is used for on-site testing of the impermeability of horizontal waterproofing layers.

Category:

Rubber and Waterproofing Material Testing Equipment

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E-mail:

lbt@lbt.ltd

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+86-15102211717

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LBTZ-17 Waterproof Layer Impermeability Water Permeation Tester

Description

Product Introduction:

This instrument is used for on-site testing of the impermeability of horizontal waterproofing layers. It complies with the JGJ/T 299 Technical Specification for On-Site Testing of Building Waterproofing Works.

Technical Specifications:

1. The graduated cylinder shall be made of transparent acrylic, with a capacity of 600 mL and an inner diameter of 50 mm. It shall be equipped with scale markings, with a graduation interval of 1 mm.

2. The inner diameter of the annular base shall be 150 mm, and the outer diameter should preferably be 220 mm.

3. Plastic positioning ring: Its dimensions shall match the planar dimensions of the annular base of the seepage meter.

4. Two counterweight blocks: the mass of each counterweight block shall not be less than 5 kg.

Procedure:
1. Place the plastic positioning ring at the measurement point, and use chalk to draw lines along both the inner and outer edges of the ring, thereby defining annular zones.
2. Remove the plastic locating ring, and evenly apply the sealing material within the annular area, ensuring that no sealing material enters the inner raceway.
3. Place the infiltration meter, ensuring that its center aligns with the center of the annular area; press firmly and install the weight block.
4. After the sealing material has fully cured, fill the graduated cylinder of the permeameter with water up to the 0‑mark, and record the water level every 5 minutes until 30 minutes have elapsed.
5. At the end of the test, the water level in the permeameter’s graduated cylinder shall not drop by more than 2 mm. If the drop exceeds 2 mm, the waterproofing layer at that test point shall be deemed to have failed the impermeability test.
6. When the impermeability of the waterproofing layer at a test point fails to meet the requirements, the impermeability of the entire test area and the corresponding testing unit shall be deemed non‑compliant.

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FAQs

Do you supply full-set testing instruments for asphalt and geotechnical engineering projects?

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Can you customize fixtures or test machines based on our special test requirements? How about after-sales service and warranty?

We provide non-standard customization of test equipment and customized fixture clamps according to customers’ specimen size and test standards. All our testing machines enjoy 12-month factory warranty; overseas customers get remote online debugging guidance, spare parts supply and technical operation training. Our products have been exported to over 70 countries globally

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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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LBTZ-17 Waterproof Layer Impermeability Water Permeation Tester

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E-mail:lbt@lbt.ltd

Address:Tianjin Jinghai Economic Development Zone

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