Laboratory Casagrande Device (Liguid Limit test Apparatus)

The Laboratory Casagrande Device is engineered to provide exceptional accuracy and stability during testing. It is widely used in geotechnical engineering laboratories, universities, construction material testing facilities, and research centers to evaluate the plasticity characteristics of clay soils. Determining the liquid limit helps classify soils and predict their engineering behavior when subjected to moisture changes.

This evaluation is crucial because moisture content significantly affects the strength, compressibility, and settlement potential of fine-grained soils. By identifying the liquid limit, engineers can better understand soil performance in foundations, embankments, retaining structures, pavements, and other critical applications.

Model	2810140	2811061	2811062
Description	Hand Operated Casagrande Apparatus	Motorized Atterberg Liquid Limits Machine	Motorized Atterberg Liquid Limits Machine
Power Supply	_	120 V, 60 Hz, 1 Ph	220 V, 50 Hz, 1 Ph
Dimension	200x250x170 mm	300x200x180 mm	300x200x180mm
Weight	2.5 kg	11 kg	11kg

Superior Construction of the Laboratory Casagrande Device

The Liquid Limit Device Casagrande consists of a set of carefully engineered components designed to deliver long-term accuracy and operational reliability. Its construction includes:

 Brass Cup for High-Precision Soil Testing

The device features a removable brass cup that is durable, corrosion-resistant, and dimensionally stable. It ensures consistent performance during repeated laboratory use, providing the required impact to create soil deformation for liquid limit measurement.

Adjustable Crank for Controlled Operation

An adjustable crank mechanism allows smooth rotation, enabling the brass cup to be raised and dropped at the exact height specified by soil testing standards. This ensures every blow is applied consistently for maximum accuracy.

 Mechanical Blow Counter for Enhanced Repeatability

The integrated mechanical blow counter provides precise tracking of cup strikes, eliminating guesswork and ensuring the test is conducted according to standardized requirements. Accurate blow counting is essential for determining the moisture content at which soil begins to flow.

Bakelite Engineering Base for Strength & Stability

The device includes a heavy-duty Bakelite base, engineered for dimensional stability and durability. This stable platform ensures uniform cup impact and reduces vibration disturbances during testing.

Motorized & Manual Options

The Liquid Limit Device Casagrande is available in both manual and motorized configurations.

• The manual version offers controlled hand operation using the adjustable crank.

• The motorized version provides automated cup lifting and dropping, ensuring perfectly consistent blow frequency and reducing operator fatigue.

Both versions deliver accurate and repeatable liquid limit measurements suitable for high-volume laboratories or specialized testing environments.

 How the Laboratory Casagrande Device Enhances Soil Classification

The Liquid Limit Device Casagrande is used to determine the transition point at which clay soil flows like a liquid under specific impact energy. This moisture content value is a key component in the Atterberg Limits, which classify soils based on plasticity characteristics.

Engineers frequently use liquid limit data to:

• Predict soil swelling potential

• Assess compressibility

• Determine suitability for construction

• Estimate settlement behavior

• Compare soil behavior with empirical engineering data

Accurate classification ensures safe, efficient, and cost-effective foundation and earthwork design.

Why Choose the Liquid Limit Device Casagrande for Your Laboratory?

The Liquid Limit Device Casagrande offers numerous advantages:

• Exceptional precision in determining soil moisture thresholds

• Highly durable construction for long-term use

• Consistent results supported by mechanical blow counters

• User-friendly design for both beginner and expert technicians

• Available in manual or motorized configurations

• Supports accurate soil classification and engineering design

Its combination of classic mechanical design and modern engineering materials makes it one of the most reliable tools for determining soil plasticity.