Rock Strength Index Apparatus

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Rock Strength Index Apparatus

Standards

ASTM D5731

Description

The apparatus consists of a load frame 60 kN cap. with a hydraulic loading ram actuated by a hand pump. The frame is adjustable for testing samples up to 102 mm dia. A ruler assembled on the frame allows for direct measurement of the distance D between the conical platens before and after the test. The compression load is measured by a pressure transducer with an advanced digital display unit assuring the best accuracy and resistance to the failure shocks. The machine, fit with the accessory NG-D0550/D5, can also be used for compression tests on small cores or cylindrical specimens. The apparatus is contained in an easily transportable plastic case.

Main Features

  • Light and portable unit
  • Sample size up to 102 mm dia.
  • Accepts irregular shaped samples
  • High resolution digital display, battery operated
  • Resistant to failure shocks
  • Serial port for PC connection included
  • Compression platens option for compression test on small cores and cylinders

Technical Specifications

NG-RockStrength
Load Range 0 - 60 kN
Digital Display 2x16 characters
Resolution 32,000 div
Load Pacer Included
Units for Load Measurement kN and MPa
Connections Serial port for PC
Accuracy ±1%
Case Dimensions 80 x 50 x 28 cm
Approximate Weight 15 kg
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