How does the Presto tensile tester work?

How does the Presto tensile tester work?

Tensile strength is a material property that describes the resistance of a material to being pulled apart by an external force. It is measured in terms of stress, which is the force per unit area applied to the material. Ultimate tensile strength (UTS) is the maximum stress that a material can withstand before it breaks. Testing the tensile strength of materials is important to ensure that quality products will be delivered to the customers. Presto is a leading manufacturer of tensile strength testers and is highly useful in testing the tensile strength of materials. The digital model of the tensile strength tester has been designed to test the tensile strength of materials and ensure that materials will not break down with high tensile forces. Here in this blog, we are going to discuss the importance of testing the tensile strength of materials. We will also discuss how Presto tensile tester works. So, let us get started!

What is ultimate tensile strength?

Tensile strength is the stress a material can withstand while being stretched or pulled before breaking. The ultimate tensile strength of a material is its maximum tensile strength before it fractures.

When first starting out, engineers need to know the approximate ultimate tensile strength of the materials they are working with so that they can design their products accordingly.

This type of strength is important for many engineering applications, as it can help to predict how a material will perform under various conditions. While ultimate tensile strength is a useful property to consider, it is only one of many factors that should be taken into account when choosing a material for an application. Presto designed a high-quality tensile strength tester digital model that will help the manufacturers to perform quality analysis and helps to measure the force required to break the sample. Now, let us discuss more Presto tensile strength tester.

All about Presto tensile tester digital

Tensile tests are commonly used to measure the strength and ductility of materials. The results of these tests provide valuable information that can be used to compare different material types, understand how a material will perform in an application, or optimize processing conditions.

Tensile testing is also an important part of quality control as it can be used to identify material defects and determine whether a material meets specifications. This quality test is performed by applying a force to a specimen of the material until it breaks. The results of the test can be used to compare different materials or to assess the quality of a material. You can read more about tensile strength and its importance.

Presto digital tensile tester is one of the high-quality lab testing equipment that is used to test the tensile properties of the materials with ease. With the use of this quality lab testing equipment, one can easily evaluate the material-breaking properties and ensure quality products.

Now, let us discuss the features of the Presto tensile strength tester.

Features of Presto tensile strength tester

Tensile testing, also known as tension testing, is a fundamental test that will help to test the sample until it fails. The results of the test provide valuable information about the material's tensile strength, yield strength, elongation, and Young's modulus. Presto digital tensile strength testing instrument has been embedded with high-quality features that we have listed below.

  • High testing range

  • Vice-type clamping grips for firm gripping of the test specimen.

  • Advanced peak load indicator for accurate readout and storage of test results.

  • Limit switches protection for the protection of grips and the machine.

  • Strong load frame.

  • Safety limit switches are incorporated for both the upward and the downward directions.

  • Completely hardened and nickel-plated center load-bearing screw provided for longer, rugged life.

  • Aesthetically designed using heavy Metal channels covering the side rods.

  • Minimum maintenance requirements and low wear and tear of parts.

  • Displays all operational data - The software window displays all operational data e.g. force, elongation, strain, and percentage elongation.

  • Memory function - Test data may be displayed, saved for future reference, or printed for reports, certification, and presentations.

  • Simple operation - Test parameters are easily set through simple key & point & click entries with the mouse.

Technical Specifications of Presto tensile tester digital model

  • Load Cell Capacity: 10000 kgf

  • Test Speed Range with Speed drive (optional): 50 - 500mm/min

  • Load Monitoring: Peak Load indicator with digital readout and peak hold feature

  • Load Sensor S-type Load Cell

  • Clamping mechanism: Vice-type clamping Grips

  • Load accuracy: ±3% full scale (with master load)

  • Elongation: ±3% full scale

  • Least count: 10 Kg

  • Load Cell Overload safety: <80% of the total load

  • Drive Mechanism: Variable Frequency Drive Mechanism

  • Safety Feature: Up and down fixed and movable limit switch rings

  • Over Load relay contact rating: Potential free relay 5 Amp. 220 V AC single phase

  • Earthing Required: Proper Earthing is required corresponding to not more than 4 V AC with respect to neutral.

  • Motor Capacity: 5 HP

  • Gear Box Ratio: 7.5:1

With these features and technical specifications, one can easily conduct tensile strength tests on the materials and ensure that quality products will be delivered. You can easily choose the right-sized specimen for the tensile testing machine and conduct the test easily.

Working of Presto tensile tester

To conduct the tensile strength test, you should prepare the specimen first. For this take a sample strip from the material you want to test. You can place it on the dumbbell cutting die.

Cut the specimen from the sample strip as stated in the test standard for that material. You can prepare the rectangular sample as well by cutting the strip of 25 mm width and appropriate length. Now mark the specimen strip as follows. Marking should be done in such a way that the distance between the grips of the machine is 100 mm after clamping of the specimen. This distance can vary between different test standards. You can mark the specimen at a distance of 25 mm from both ends to ensure proper and equal clamping force on the specimen on both ends.

After that, you need to place the sample on the upper side of the specimen between the upper fixed grips and tighten the grip firmly. Now bring the lower movable grip upwards so that the specimen can easily reach the grips.

Once you followed all these steps, you can successfully commence the test. In this way, you can easily test the tensile strength of the specimen.

If you want a free sample testing session for this quality testing equipment then give us a call at +91-9210903903 or email us at Our team of technical experts will consult you regarding all your needs and queries.