Cone Penetrometer
Product Code : LSK-SM-10663
Cone Penetrometer (SKU LSK-SM-10663) is a laboratory instrument for finding the liquid limit of soil by letting a weighted cone sink into a soil paste. It is especially useful for soils with a low plasticity index and is an alternative to the Casagrande cup. Soil mechanics labs in engineering colleges, polytechnics and TVET centres use it. Science Lab Supplies supplies it from Ambala, India to these institutes, tender contractors and distributors.
Specifications
The penetrometer releases a cone with a total sliding weight of 148 g into a cup of prepared soil paste. The moisture content at which the cone penetrates 25 mm is taken as the liquid limit, so a short series of tests at different water contents gives the result by interpolation.
| Parameter | Value |
|---|---|
| SKU | LSK-SM-10663 |
| Test | Liquid limit of soils |
| Total sliding weight | 148 g |
| Liquid limit criterion | Moisture content at 25 mm cone penetration |
| Particularly suited to | Soils with a low plasticity index |
| Supplied by | Science Lab Supplies, Ambala, India |
Applications and Experiments for the Cone Penetrometer
The cone method determines the liquid limit, one of the Atterberg limits used to classify fine-grained soils and estimate their compressibility. Because the result rests on a measured penetration rather than judging when a groove closes, it gives repeatable readings for students and technicians.
- B.Tech / B.E. civil engineering: liquid limit by cone penetration, combined with the plastic limit to find the plasticity index.
- Diploma civil engineering: soil classification practicals on silts and clays.
- TVET lab equipment for construction and road works modules: checking the plasticity of fill and subgrade soils.
Standard Scope of Supply
The Cone Penetrometer is supplied as a single unit as described above; any optional accessories are listed on the quotation. Moisture containers and a drying oven for the test samples are separate items and can be quoted with it if your lab does not already have them.
Packing, MOQ and Lead Time
One penetrometer or a full class set can be quoted, and the quotation gives the packing, delivery time and price for that quantity. Plastic limit and shrinkage limit sets can join the same quotation, giving a complete Atterberg limits bench from one laboratory equipment supplier in India.
With an Importer-Exporter Code as a registered exporter, Science Lab Supplies can ship to buyers in Qatar, Sri Lanka, Vietnam, Malaysia, Peru and Egypt. Questions can go through the contact page, chosen items into the enquiry cart, and tender requirements to the lab tender page.
Frequently Asked Questions
How is the liquid limit read with a cone penetrometer?
Soil paste is mixed at several water contents and the cone is released into each. The water content at which the 148 g cone penetrates 25 mm is the liquid limit.
Should a lab choose the cone or the Casagrande apparatus?
Both determine the liquid limit. The cone relies on measured penetration rather than groove closure and is noted as especially useful for low-plasticity soils, so many labs keep both methods.
Who supplies the Cone Penetrometer?
Science Lab Supplies, working from Ambala in India, supplies it to colleges, polytechnics, training centres, contractors and distributors.
What cone angle does it use?
The cone geometry is confirmed on the quotation. If your test method specifies a particular cone, ask through the contact page and the offer will state it.
Related Atterberg Limits Equipment
Liquid limit is only one of the Atterberg limits, so the cone is usually ordered with items that complete the set: cup-type liquid limit devices for comparison, plus the plastic and shrinkage limit tests needed to classify fine-grained soils.
- Hand Operated Casagrande Equipment — brass cup method for the liquid limit.
- Motorised Casagrande Equipment — the cup method with a motor drive.
- Plastic Limit Set — thread-rolling test for the plastic limit.
- Shrinkage Limit Set — completes the Atterberg limits.
Browse the full Soil Mechanics range or all TVET lab equipment.
Last updated: 25 September 2026
