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SEMI AUTOMATIC CONE PENETROMETER AZA0852
The AZA0852 Semi Automatic Cone Penetrometer from AZALAB is a precision-engineered laboratory instrument used for determining the liquid limit and consistency characteristics of fine-grained soils. Designed to eliminate operator-dependent errors, this semi-automatic model ensures uniform cone release and repeatable penetration results, making it an ideal choice for geotechnical, civil engineering, and construction material testing laboratories.
The apparatus conforms to IS 2720 (Part 5) and BS 1377 standards and is widely used for soil classification, foundation assessment, and settlement analysis. Its semi-automatic clutch-based drop mechanism allows the cone to penetrate the soil sample under controlled conditions for a fixed duration of 5 seconds, ensuring consistent and reliable test outcomes.
Principle of Operation
A soil paste prepared at known moisture content is placed in the sample cup. The standardized cone, attached to a calibrated weight, is released using the semi-automatic clutch mechanism, allowing free fall penetration into the soil. After the specified time (typically 5 seconds), the penetration depth is measured using a high-precision dial gauge.
The moisture content corresponding to a penetration of 20 mm is considered the liquid limit of the soil, as defined in IS and BS standards.
Description
Key Features and Advantages
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Semi-Automatic Operation: Eliminates manual release errors and improves repeatability
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Uniform Cone Drop: Controlled clutch mechanism ensures consistent penetration
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High Accuracy Measurement: Precision dial gauge with fine resolution
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Robust Construction: Heavy-duty cast iron base for stability
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No Power Requirement: Fully mechanical operation
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Laboratory & Field Ready: Compact, durable, and easy to operate
Standards Compliance
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IS 2720 (Part 5) – Liquid Limit determination of soils
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BS 1377 – Methods of test for soils for civil engineering purposes
Applications
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Liquid limit determination of cohesive soils
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Soil consistency and strength evaluation
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Geotechnical site investigations
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Foundation and pavement design studies
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Settlement and bearing capacity analysis
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Academic and research laboratories
Technical Specifications
| Feature | Specification |
|---|---|
| Model | AZA0852 |
| Operation | Semi-automatic cone release with clutch |
| Penetration Range | 0 – 25 mm |
| Least Count | 0.01 mm |
| Cone Angle | 30° (as per IS 2720 Part 5) |
| Cone Weight | 148 g |
| Additional Weights | 50 g & 100 g (included) |
| Drop Time | 5 seconds (preset) |
| Dial Gauge | Precision mechanical, 0.01 mm resolution |
| Base | Cast iron with anti-slip feet |
| Power Supply | Not required |
| Application | Liquid limit & soil consistency testing |
| Brand | AZALAB |
Supplied With
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Semi automatic cone penetrometer frame
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Standard stainless steel penetration cone
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50 g and 100 g additional weights
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Preset counter / timer mechanism
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Measuring cup
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Operating manual (on request)
Frequently Asked Questions (FAQ)
Q1: What is the main use of the AZA0852 cone penetrometer?
It is used to determine the liquid limit and consistency of fine-grained soils.
Q2: How does the semi-automatic mechanism improve accuracy?
It ensures uniform cone release and penetration time, reducing operator variability.
Q3: Does this equipment require electricity?
No. It operates using a mechanical clutch and does not require power.
Q4: Is it suitable for field testing?
Yes. Its compact and rugged design makes it suitable for both laboratory and site use.
Q5: Which soils can be tested using this device?
It is ideal for cohesive soils such as clay, silt, and fine-grained materials.
Additional information
| Penetration Scale |
0–25 mm with 0.01 mm least count |
|---|---|
| Base Material |
Cast iron base with anti-slip feet |
| Power Supply |
Not required (manual mechanism) |
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