Schmidt Rebound Hammers

RockSchmidt

Rock strength and uniformity testing using rebound hammer technology
  • Automated working
  • N and L versions
  • Extremely durable

Applications:

Correlation to unconfined compressive strength of rock / Estimation of weathering grade / Estimation of modulus of elasticity of rock

Adapted specifically for rock testing applications and penetration rate prediction for tunnel boring machines and rotary drum cutters
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User experience
Automated working with ASTM and ISRM standards.
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Versatility
N and L versions for core testing and massive rock.
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Reliability
Extremely durable, optimized for fieldwork.

Swiss Made
RockSchmidt
RockSchmidt
Sensor Tech
Impact Energy
2.207 Nm (N), 0.735 Nm (L)

Compressive Strength Range
20 to 150 MPa Unconfined (or Uniaxial) Compressive Strength (UCS)

Measurements
Impact angle independent
Series validity checked automatically
Delete impacts
Select units
Create custom curves
Create custom curve databases for different rock types

Report Generation
Using RockLink PC software included

Instrument Firmware
Custom curves
Correlation to UCS
Correlation to E-modulus
Weathering according to ISRM
Rebound according to ASTM and ISRM
Single button programming of settings

Pc Software
RockLink for data assessment and export to third party software

Display
Integrated digital display

Memory
400 series of 10 measurements

Connections
USB interface to PC

Battery
Integrated Li-ion

Battery Lifetime
>5000 impacts between charges

Operating Temperature
0° to 50°C

Languages
English, German, Japanese, Chinese, Korean, Spanish, Portuguese, Italian, French, Russian
The RockSchmidt is a variation of the SilverSchmidt adapted specifically for rock testing applications such as UCS correlations or to predict penetration rates for tunnel boring machines and rotary drum cutters.

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FAQ
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Standards & Guidelines

Standards
  • Arrow, click names to download Standards & Guidelines ASTM D 5873 (Rock)
Guidelines
  • Arrow ISRM
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