【Scope of application】
The automatic geosynthetic vertical permeability tester is a constant head tester designed and manufactured according to the latest national standard GB/T15789-2016 and the requirements of the Ministry of Water Resources "SL235-2012 Geosynthetics Test Regulations". It is suitable for various geotextiles with water permeability. And composite fabrics are tested for vertical permeability performance under constant water head. This machine adopts microcomputer program control, sensor acquisition and measurement, head difference digital setting, automatic positioning, automatic conversion of permeability coefficient, display, storage, statistics, editing, printing, etc.
【Related standards】
GB/T15789-2016 Method B, SL235-2012
【technical parameter】
1. Operation interface: 7.8-inch touch color screen Chinese interface
2. Water head difference: 0-250mm digital setting, automatic positioning
3. The inner diameter of the holder: not less than 50mm
4. Sample clamping direction: vertical clamping
5. Thermometer range: 0-100℃±0.2℃
6. Time controller: 0-999.9 seconds can be set arbitrarily, with a control accuracy of 0.1S
7. Timing method: seconds, minutes, hours (optional)
8. Water head measurement accuracy: 0.2 mm
9. Water head adjustment stroke: 0-300mm
10. Flow rate unit: m/s and mm/s two kinds
11. Test cabin size: 490*500*510mm
12. Water collection volume: 0—3000ML (measure cup weighing method) or laser method
13. Water level measurement accuracy: 0.03mm
14. Test results: the instrument automatically converts the results directly, and the permeability coefficient program automatically calculates
15. Data output: two-way control between host and PC, equipped with special computer test software
16. Data management: test reports can be displayed, stored, edited, and printed out
17. Sample clamping method: sample loading in water, pneumatic clamping (optional)
18. Power supply: AC220V
19. Dimensions: 1200×650×1620mm
20. Weight: 150kg
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