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Lateral Extensometer
Lateral Extensometer (Product Code: SLE/CE/22) is a hinged strain-measuring frame used to measure the lateral extension of a concrete specimen under compressive load in materials testing laboratories. Built from two movable frames pivoted at one end, it shows sideways movement on a 0.002 mm dial gauge so that students and engineers can pair lateral readings with axial strain. Jain Scientific Equipments Pvt Ltd (ScienceLab) manufactures it as the OEM at its own factory in Ambala, India.
Specifications
| Parameter | Detail |
|---|---|
| Frames | Two movable frames pivoted at one end |
| Fixing | Fixed to the specimen with tightening screws |
| Dial gauge | 0.002 mm × 5 mm; indicates the lateral extension |
| Gauge contact | Dial gauge tip rests on an anvil |
| Zero setting | By adjusting the anvil screw |
| Case | Supplied in a wooden carrying case |
| Product code | SLE/CE/22 |
| Manufacturer | Jain Scientific Equipments Pvt Ltd (ScienceLab) — OEM |
| Country of origin | India (made in Ambala, Haryana) |
What Is the Lateral Extensometer Used For?
When a concrete specimen is squeezed along its axis it also bulges slightly sideways. The two frames of the lateral extensometer are screwed to the specimen and hinge apart as it expands, and the dial gauge records that movement. Comparing lateral strain with longitudinal strain from a compressometer gives Poisson's ratio, a key input in structural analysis.
Fix the frames with the tightening screws, check they are not touching the machine platens, then zero the gauge with the anvil screw before loading. Take readings at the same load steps used for the compressometer so the two data sets line up. It is a practical test and measuring instrument in India for concrete technology and strength-of-materials practicals.
OEM Manufacturer
Jain Scientific Equipments Private Limited trades as ScienceLab and is the OEM (original equipment manufacturer) of this Lateral Extensometer, producing it at the company's own licensed factory at Saha, Ambala, Haryana, India. Laboratories, colleges, dealers and importers buy it factory-direct, which keeps quotations, repeat orders and spare-part questions with the manufacturer itself. If a component needs replacing, ask us. Company information is on the ScienceLab company profile.
Related Civil Engineering Lab Equipment
Lateral strain readings are normally taken alongside axial strain on the same loaded specimen, so these items are commonly ordered together.
- Longitudinal Compressometer — measures axial strain for the Poisson's ratio calculation.
- Automatic digital compression testing machine — loads the specimen in compression.
- Cylindrical Mould — for casting cylinder specimens.
- Tamping Rod — for compacting concrete in the moulds.
Find more concrete and materials testing apparatus in the Civil Engineering Lab Equipment category.
Frequently Asked Questions
What does the Lateral Extensometer measure?
The Lateral Extensometer measures the lateral (sideways) extension of a concrete specimen as it is loaded in compression. Its reading, taken with axial strain from a compressometer, is used to calculate the Poisson's ratio of the concrete.
How is the Lateral Extensometer attached to the specimen?
The Lateral Extensometer is fixed to the specimen with tightening screws. Its two movable frames are pivoted at one end, so they open as the specimen expands sideways and the dial gauge records that movement.
What reading does the Lateral Extensometer dial gauge give?
The Lateral Extensometer uses a dial gauge of 0.002 mm × 5 mm to indicate lateral extension. The gauge tip rests on an anvil, and the zero is set by adjusting the anvil screw before loading begins.
Can the Lateral Extensometer be used with a compressometer?
Yes. The Lateral Extensometer is normally used together with a longitudinal compressometer on the same specimen, so lateral and axial strains are recorded at the same load steps for a Poisson's ratio determination.
Who manufactures the Lateral Extensometer?
The Lateral Extensometer is manufactured by Jain Scientific Equipments Pvt Ltd (ScienceLab), the OEM, at its own licensed factory at Saha, Ambala, Haryana, India. Quotations and spare-part enquiries are handled by the manufacturer directly.
How is the Lateral Extensometer supplied?
The Lateral Extensometer is supplied in a wooden carrying case that protects the frames and dial gauge. Keep it in the case between tests and give the specimen size you test when you request a quotation through the contact page.
Request a Quote
Send your enquiry for the Lateral Extensometer (SLE/CE/22) through the contact page or the enquiry cart. The quotation comes direct from the manufacturer, Jain Scientific Equipments Pvt Ltd (ScienceLab), Ambala, India.
Last updated: 24 September 2026
