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BESMAK

PROVING RING PENETROMETER – BSO-202/7

The Proving Ring Penetrometer is designed for rapid field determination of soil bearing capacity, penetration resistance and compaction quality. Complying with ASTM D1883, AASHTO T193, BS 1377 and TS 1900, this lightweight field testing instrument provides accurate measurements for geotechnical investigations and road construction projects.

Standards:

  • ASTM D1883
  • AASHTO T193
  • BS 1377
  • 1924
Category:

Proving Ring Penetrometer for Soil Bearing Capacity Testing

The Proving Ring Penetrometer is designed to determine the bearing capacity of subgrades and evaluate soil compaction directly in the field. It is widely used for shallow soil investigations, pavement construction, foundation engineering, and geotechnical site assessments.

The instrument features a calibrated proving ring and a precision dial gauge that provide direct penetration resistance readings, eliminating the need for manual calculations or conversion charts. Its lightweight, portable construction enables engineers to perform fast, reliable field testing with minimal setup time.


Key Features

  • Designed for field soil penetration testing
  • Determines soil bearing capacity
  • Measures soil compaction quality
  • Calibrated proving ring for accurate load measurement
  • Precision dial gauge with direct reading
  • No calculation charts required
  • Lightweight and portable design
  • Durable cast aluminum two-hand handles
  • Quick and easy field operation
  • Reliable and repeatable measurements
  • Ideal for geotechnical and pavement investigations
  • Rugged construction for long service life

Standards

  • ASTM D1883
  • AASHTO T193
  • BS 1377
  • TS 1900

Technical Specifications

Specification Value
Weight 6.8 kg
Proving Ring Capacity 300 lbf (approximately 1.33 kN)
Dial Gauge Direct Reading
Extension Rod Length 19.25 in (489 mm)
Drive Rod Cone 30° Cone, 3 in² (6.45 cm²)
Rod Markings Every 6 in (152 mm)

Standard Components

The Proving Ring Penetrometer is supplied with the following components:

  • Calibrated Proving Ring
  • Precision Dial Gauge
  • 30° Drive Cone
  • Extension Rod
  • Extension Rod Coupler
  • Cast Aluminum Two-Hand Handle

Soil Penetration Testing

The Proving Ring Penetrometer measures soil penetration resistance by determining the force required to drive a standardized cone into the ground.

The calibrated proving ring transfers the applied force directly to the precision dial gauge, allowing engineers to obtain immediate and accurate field measurements without additional calculations. This enables rapid assessment of soil bearing capacity and compaction quality for construction and geotechnical applications.


Applications

The Proving Ring Penetrometer is suitable for:


Why Choose the BESMAK Proving Ring Penetrometer?

The BESMAK Proving Ring Penetrometer combines portability, precision, and durability to deliver fast and reliable field soil testing. Its direct-reading proving ring system minimizes operator errors by eliminating calculation charts while providing accurate and repeatable measurements.

Designed for demanding field conditions, it is an ideal solution for road construction, foundation design, geotechnical investigations, and quality control applications.


Frequently Asked Questions

What is a Proving Ring Penetrometer?

A Proving Ring Penetrometer is a portable field testing instrument used to measure soil penetration resistance and estimate the bearing capacity of soils directly on-site.

What is the Proving Ring Penetrometer used for?

It is commonly used for:

  • Determining soil bearing capacity
  • Measuring soil penetration resistance
  • Evaluating field compaction
  • Geotechnical investigations
  • Road subgrade evaluation
  • Foundation site assessments

Which standards does the equipment comply with?

The Proving Ring Penetrometer complies with the following standards:

  • ASTM D1883
  • AASHTO T193
  • BS 1377
  • TS 1900

Is the Proving Ring Penetrometer portable?

Yes. Weighing only 6.8 kg, the instrument is lightweight and easy to transport, making it ideal for rapid field investigations and on-site soil testing.

What components are included?

The standard set includes:

  • Calibrated Proving Ring
  • Precision Dial Gauge
  • 30° Drive Cone
  • Extension Rod
  • Extension Rod Coupler
  • Cast Aluminum Two-Hand Handle

Where is the Proving Ring Penetrometer commonly used?

The Proving Ring Penetrometer is widely used in:

  • Highway engineering
  • Geotechnical investigations
  • Pavement construction
  • Foundation engineering
  • Construction quality control
  • Soil testing laboratories
  • Universities
  • Research and development institutes