- Product Describe
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The electric waterproof membrane lap joint impermeability tester complies with the national standard GB55030-2022 General Specifications for Waterproofing in Building and Municipal Engineering, mandatory, and the national standard "Safety and General Technical Specifications for Building Waterproof Membranes" which newly adds the requirement for waterproof membrane "lap joint impermeability." This requirement covers all lap joint processes including hot melt, welding, self-adhesive, adhesive, and tape. After the specification is officially implemented, "lap joint impermeability" will become a mandatory quality acceptance item for waterproof membranes.
Importance of Waterproofing: The construction of building waterproofing works is an important part of construction technology and a sub-project to ensure that buildings and structures are not eroded and that internal spaces are not damaged. Through the reasonable application of waterproof materials, water ingress and leakage can be prevented, thereby ensuring the functional use of the building and extending its service life.
Technical Parameters
1. Power supply: 220V 50Hz
2. Test pressure: 0～0.6Mpa
3. Pressure sensor accuracy: Grade 1
4. Number of water permeability plates: three stations
5. Inner diameter of water permeability plate: 250mm
6. Specimen size: 300*300mm
Precautions
1. The equipment should not be operated or used in magnetic or electric fields; shielding measures must be taken to prevent damage to the instrument or reduction in measurement accuracy.
2. For mechanical instruments and equipment, a no-load run must be performed before use to ensure proper operation. Lubricate before use and wipe clean after use.
3. Instruments and equipment must not be disassembled or modified arbitrarily. If new functions need to be developed or upgrades made, approval procedures must be followed according to hierarchical management authority before implementation.
4. Regular maintenance and care of the equipment should be conducted, and it should be stored in a dry and ventilated place. For instruments and equipment unused for a long time, power them on periodically to prevent moisture and mildew damage to the instrument and its components.
5. Establish a regular calibration and verification system for large precision and valuable equipment to maintain the required technical specifications. Keep original usage records.
Operating Steps
(1) Before use, first adjust the pressure gauge according to the test conditions of the specimen. The adjustment method is to set it to 0.2Mpa.
(2) During use, loosen and remove the pressure rings of the three water permeability plates, unscrew the water injection port cover, then close the drain valve tightly. Slowly inject clean water from the water injection port until water emerges from the central inlet hole of the water permeability plate. Place the test specimen on the water permeability plate gasket, then place the lap joint impermeability cover plate on the specimen, press the specimen firmly, and start the test.
Company Profile
Hebei Yinfeng Experimental Instrument Co., Ltd. is a high-tech enterprise dedicated to the research and development, production, and sales of experimental instruments. The company is headquartered in Hebei Province, relying on the strong industrial foundation and technological innovation resources in the Beijing Tianjin Hebei region. It is committed to providing high-precision and high reliability testing equipment and solutions for material testing, engineering quality control, scientific research experiments and other fields.
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Waterproof Membrane Lap Joint Impermeability Tester
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Whatsapp/Tel: +86-15931715356,+86 16631790555
E-mail: info@cnhblabequipment.com
Add: Chengnan Industrial Zone, Xian County, Cangzhou City, Hebei Province