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 plane
Features
Equipped 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
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 Parameters
| Items | 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 |
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