Geotextile Direct Shear Friction Tester

The Digital Direct Residual Shear Box is a sophisticated geotechnical testing instrument designed to measure the residual shear strength of soils and other granular materials. This advanced devide is essential for evaluating the long-term stability of slopes, embankments and foundations, particularly in landslide-prone areas or critical infrastructure projects. The control panel features an LCD screen and a 16-key membrane keypad for manual settings and operation. The large liquid crystal display ensures clear visibility, while the intuitive keypad allows for easy adjustments.

Application:

This machine is designed for all kinds of geotextile and its relative products frictional characteristic.

Standards:

ISO 12957.1, GB/T 17635.1, ASTM D5321, JTGE50T1129, SL/T235-1999

Key Specification:

ITEM	Parts and Specifications	QTY
1	Shear Base Unit	1
	including:
	Computer controlled Shear frame, Max. Travel ranges: 30mm.
	Lever ration: 11:1, 10:1, 9:1.
	Digital control and display of speed. Reversible stepper.
	Motor for residual strength test. Infinitely variable speed drive from 0.00001 to 9.99999mm/min.
	Power supply: 220VAC / 110VAC (50HZ or 60HZ)
2	Shear Box Assembly(Material:SUS304 )	1
	60*60 and 100*100mm
3	One embedded controller for horizontal controls, including:	1
	One front panel LCD and Keypad for manual controls, 240*128 liquid crystal display and a 16 key membrane, reciprocating shear capability and times are settable Built-in 16 bit Data Acquisition and Control, two analog and two digital channels with signal conditioning and power supplies built-in.
	Micro-switch mechanism to prevent ram over travel.
4	Load Sensor Assembly:	1
	5KN capacity, fitted with 4 pin DIN plug.
5	Vertical Displacement Transducer Assembly:	1
	12.7mm travel,
	Accuracy:0.003mm，
	Resolution:0.001mm, with 4pin DIN plug, mounting pillar and bracket for shear box.
6	Horizontal Displacement Transducer Assembly:	1
	25.4mm travel,
	Accuracy:0.003mm，
	Resolution:0.001mm, 4 pin DIN plug, mounting pillar and bracket for shear box.
7	Set of Weights: 50kg in total .	1
8	software in Windows :	1

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