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The Clegg Impact Soil Tester is the trusted choice for rapid, reliable measurement of soil compaction and surface strength.

Widely used across civil engineering, roadworks, and sports turf maintenance, this robust instrument delivers accurate Impact Value (IV) readings to verify whether soil compaction meets specification.

The classic 4.5 kg model is simple to operate, built for tough site conditions, and comes complete with everything you need to start testing.

Key Features

• Measures soil compaction using Impact Value (IV) in accordance with UK industry standards
• Simple, single-operator use with fast results in the field
• Rugged, weather-resistant design for use in all UK site conditions
• Digital readout with clear backlit display
• Supplied with a durable transit case and calibration certificate
• Long battery life for extended field testing
• Manufactured by SDi – a global leader in soil testing technology

Applications

• Trench reinstatement testing
• Subgrade and sub-base compaction verification (CBR correlation)
• Sports turf hardness and safety checks
• Civil engineering QA/QC
• Pavement and road surface assessment

Technical Specifications

• Hammer Weight: 4.5 kg
• Measurement Range: 0–150 IV
• Display: Digital readout, backlit for low-light conditions
• Data Output: USB
• Power: Rechargeable battery with charger included
• Dimensions: 600 mm height (assembled)
• Carry Case: Included

Package Includes

• Clegg Impact Soil Tester (4.5 kg) – Classic Model
• Digital readout display unit
• Impact hammer
• Calibration certificate
• Carry case
• Charger and cables
• User manual