Civil engineering & Material Testing equipments

ASTM Geotextile vertical permeability tester

ASTM Geotextiles vertical permeability tester

Model: GT020S


This tester uses the constant head method to test the vertical permeability property of geotextile and other relevant products, the water head adjusting range is 0-300mm, to reduce the water head loss, it uses the box structure. It’s kind of very common geosynthetics testing instrument.

Standards compliance

ISO11058; GB/T15789; JTG E50 T1141; SL/T 235-1999


1. Transparent design for easy observation of testing process.

2. Wide compliance to different standards.

3. Box structure design enable less water head loss.

4. Water-circulation system and frequency control flow system equipped.

5. 52,100mm sample clamp equipped to avoid the discreteness of sample, and can compare with the early instruments.

6. The sample clamp can be tailor-made.

Technical specification

Sample diameter 52mm,100mm
Water head (0-300)mm
Sample thickness 0.1-10mm
Temperature range 5-45°C
Over size 850×500×400 mm (L×W×H)
Weight 170kg
Power supply AC220V   50HZ
Model DW1320

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