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HIGHLIGHTS
Digishear is the entry level machine for direct/residual shear testing. It incorporates one high-resolution stepper motor with high precision transmissions.
The user interface is based digital display LCD 4-row by 20 characters permitting to start, pause and stop the test.
The axial transmission of the horizontal force adopts a straight connection through shear box, shaft and load cell. This design avoids the load measurement inaccuracies occurring with the widely used “swan neck” basic design.
A high quality techno-polymeric material has been adopted for the carriage of the shear box, offering excellent resistance to corrosion, wear and tear and to the chemicals often mixed with the soil specimens. Furthermore, this polymeric carriage is lightweight and easy to clean.
Vertical load is applied directly to the specimen via a loading yoke and a weights holding arm which amplifies 10 times the applied value.
The machine can be supplied in two different configurations:
- Analog with load ring and dial gauges
- Digital with load cell and displacement transducers that have to be connected to an external data acquisition system
Standard complete analog configuration is composed by:
- Digishear
- Shear box (see related products)
- Vertical dial gauge (see accessories and related products)
- Horizontal dial gauge (see accessories and related products)
- Load ring (see accessories and related products)
- Set of weights (see accessories and related products)
Standard complete electronic configuration is composed by:
- Digishear
- Shear box (see related products)
- Vertical displacement transducer (see accessories and related products)
- Horizontal displacement transducer (see accessories and related products)
- Load cell (see accessories and related products)
- Data acquisition (see accessories and related products)
- Template for data processing ( see accessories)
- Set of weights (see accessories and related products)
FEATURES
- Maximum horizontal force: 5 kN
- Maximum vertical force: 5 kN
- Infinitely variable speed from 0.00001 to 15.00000 mm/min
- Digital display LCD 4-row by 20 characters
- High stiffness load chain shear box – driving head – load cell
- Compatible with shear boxes up to 100 mm diameter or square
- Sturdy shear box techno-polymeric carriage untouchable by corrosion
- Test velocity and travel (forward and reverse) adjustable (residual shear test)
- Suitable for analogue or electronic measurement with dedicated external data acquisition
SPECIFICATIONS
- Maximum shear force: 5000 N
- Maximum vertical force: 500 N or 5000 N using 10:1 cantilever loading device supplied with the machine
- Maximum horizontal travel: 23 mm
- Test speed: from 0.00001 to 15.00000 mm/min
- Digital display: LCD 4 row by 20 characters
- Sample type and size: up to 100 mm square or round
- Overall dimensions: 1040 x 350 x 1200 mm (l x d x h)
- Multivoltage: Multifrequency power supply 230 V, 50 Hz or 110 V, 60 Hz
ACCESSORIES
Shear Boxes
27-WF0215/B
Shear box for square specimen 60x60mm
27-WF0216/B
Shear box for square specimen 100x100mm
27-WF0217/B
Shear box for 50mm dia samples
27-WF0218/B
Shear box for 60mm dia samples
27-WF0219/B
Shear box for 63.5mm dia samples
27-WF0222/B
Shear box assembly for 100mm diameter sample
Extrusion dollies
27-WF0215/8
Extrusion dolly for 60mm square samples
27-WF0216/8
Extrusion dolly for 100mm square samples
27-WF0217/8
Extrusion dolly for 50mm dia samples
27-WF0218/8
Extrusion dolly for 60mm dia samples
27-WF0219/8
Extrusion dolly for 63.5mm dia samples
27-WF0222/8
Extrusion dolly for 100mm
Sample cutter
27-WF0215/B7
Sample cutter for 60mm square samples
27-WF0216/B7
Sample cutter for 100mm square samples
27-WF0217/B7
Sample cutter for 50mm dia samples
27-WF0218/B7
Sample cutter for 60mm dia samples
27-WF0219/B7
Sample cutter for 63.5mm dia samples
27-WF0222/B7
Sample cutter for 100mm
Slotted weights set
27-WF0230/C3
Set of slotted steelweights tot.37.5kg: 2×0.250kg;2×0.500kg; 2x1kg; 3x2kg; 3x4kg; 2x8kg.
27-WF0230/C4
Additional set of slotted steel weights: 2x1kg; 1x2kg; 3x10kg.
Analog measurement
30-WF6401
Dial gauge 12 mm x 0.002 mm
30-WF6402
Dial gauge 30 mm x 0.01 mm
27-WF1002/ST
2000N load ring complete with adapters for shear machine
27-WF1003/ST
5000N load ring complete with adapters for shear machine
Electronic measurement
30-WF6207
Linear potentiometric transducer, 10mm travel, with 6 pin Lumberg connector complete with mounting block
30-WF6208
Linear potentiometric transducer, 25mm travel, with 6 pin Lumberg connector complete with mounting block
27-WF0377/ST
5 kN load cell, complete with adaptors for shear machine 27-WF20D60 and WF21A60.
30-WF6008
GEODATALOG 8, 8 channels multipurpose data logger with license for SOILMASTER T&A included.
82-P9008/ELT
Set of four cables for connecting load cells, pressure transducers, strain gauges, LDT / LVDT / potentiometric type displacement transducers to DATALOG 8 (82-P9008/F) and GEODATALOG 8 ( 30-WF6008)
Template for data processing
30-WF9000/PR
SOILMASTER P&R Processing and Reporting. All-in-one modular software for data processing and reporting for the following test and Standard: – Consolidation: EN 17892-5; ASTM D2435 ; AS 1289.6.6.1 – Direct/ResidualShear: EN 17892:10; ASTM D3080; AS 1289.6.2.2 – Triaxial Total Stress: EN 17892:8; ASTM D2850; AS 1289.6.4.1 – Triaxial Effective Stress: EN 17892:8; ASTM D4767 and ASTM D7181; AS 1289.6.4.1 – Permeability: EN 17892:12; ASTM D5058 and D5856 – Unconfined Test: EN 17892:7; ASTM D2166. Software can received data from WF Standard or Automatic as well as third party machines. All of these tempaltes have an independent trial period that can be activated buying licence. This code is referred to a single template activation, in case of two or more templates shall be activated quantity shall be selected accordingly.
MODELS
27-WF20D60
DIGISHEAR – Direct and residual shear testing machine with digital LCD display. 220-100 V / 50-60 Hz / 1 PH.
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