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Overview
The electric waterproof membrane impermeability tester (electric oil felt impermeability tester) is an instrument used to test the impermeability of petroleum asphalt felt and polymer waterproof membranes. It meets the test requirements specified in GB/T328.10-2007 and is suitable for the standards GB18242-2000 and GB18243-2000. This instrument uses an electric air pump for pressurization and is suitable for use in scientific research, construction, production, design, and teaching departments.
This product uses electric automatic control for air injection and pressurization, automatically maintains pressure, and features digital timing display. It provides very convenient equipment for the detection, testing, and research of impermeability of oil felt and polymer waterproof membranes. When the test pressure does not exceed 0.6 MPa, this instrument can also be used to measure the air permeability or water permeability of other related materials.
Electric Waterproof Membrane Impermeability Tester Main Uses - User Manual
Technical Parameters of Electric Waterproof Membrane Impermeability Tester
1. Power Supply Voltage: 220 V
2. Test Pressure Range: 0.1---0.6 MPa
3. Inner Diameter of Water Permeability Plate: 92 mm
4. Number of Test Specimens: 3 pieces (one set)
5. Specimen Size: Circular material with a diameter of 150 mm
Operating Instructions for Electric Waterproof Membrane Impermeability Tester
1. Before use, adjust the instrument according to the test requirements of the specimen. Set the lower pressure limit 0.1 MPa lower than the upper limit. During operation, when the pressure reaches the required value (upper limit), pressurization will automatically stop. When leakage or water permeability causes the pressure to drop to a certain value (lower limit), the air pump will automatically start to replenish the pressure.
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. Slowly inject clean water through the water injection port until the container is two-thirds full. Open valves "1", "2", and "3" (0 is the drain valve) until water overflows from the middle water inlet holes, filling the water permeability plates. Then tighten the water injection port cover.
3. Place the test specimen on the annular rubber ring of the water permeability plate, then place the specimen pressing plate on the test specimen and tighten the screws.
4. Set the time dial according to the test requirements to the desired time value.
5. Plug in the power cord, turn on the power switch, and the air pump will start injecting pressurized gas into the container. The pressurization indicator light will turn on.
6. When the pressure reaches the upper limit, pressurization will automatically stop, and the constant pressure indicator light will turn on. After the test is completed according to the specified time, unscrew the water injection port cover to release the pressure, then loosen the pressure rings and remove the specimen. The test is complete.
Precautions
1. After each test, clean all parts of the water permeability plates and apply anti-rust grease.
2. If the pressure does not rise, check all parts for water or air leaks.
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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DTS-9 Waterproof Membrane Impermeability Tester
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Add: Chengnan Industrial Zone, Xian County, Cangzhou City, Hebei Province