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Geotextile Plane Flow Meter
In order to evaluate the water conveyance capacity of the material, the geotextile surface flow meter was used to measure the permeable flow rate under a certain hydraulic gradient of geotextile material under certain pressure .
STANDARDS
ISO 12958 Geotextiles and geotextile-Related products - Determination of water flow capacity in their plane
ASTM D4716 Standard test method for determining the (in-plane) flow rate per unit width and hydraulic transmissivity of a geosynthetic using a constant head
GB/T 17633 Geotextiles and geotextile-related products-Determination of water flow capacity in their planeFeaturesEquipped with 10mm and 25mm thickness rubber foam pad to meet the 10mm, 10-25mm, 25mm thickness of the test requirements of the sample
Tightness test leakage rate : Less than 0.1 mL / s
Constant temperature constant speed water supply system: The temperature accuracy of 0.1℃
Flow unit width is adjustable
Built-in filter degassing device
Configure dissolved oxygen
Technical ParametersItems Parameters Normal pressure range 10-220kPa (according to the need to expand the
compression range to 5-260kPa)Pneumatic pressurization system Provide 20kPa, 100kPa, 200kPa standard constant pressure and a variety of custom pressure Pressure control accuracy Less than ± 2% The loading platform area 300mm × 300mm Specimen thickness Less than 50mm Timer time setting range 0.1-9999s Time accuracy 0.1s
