Geotextile Plane Flow Meter
Category：Permeability Tester
Introduction
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 D4716Standard test method for determining the (in-plane) flow rate per unit width and hydraulic transmissivity of a geosynthetic using a constant head
GB/T 17633Geotextiles 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
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 |
