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Salt Spray Chamber (Corrosion Tester) - Patent No. 244580

Benefits of Salt Spray Chamber

The Presto salt spray chamber is the most reliable equipment for checking the corrosion resistance of surface coatings when exposed to a salt laden environment. This time-tested product has been specifically designed to assess the rust-proof ability of components to withstand corrosion due to atmospheric conditions. It provides complete flexibility in simulation of real life weathering conditions.

The test temperature in the chamber is user adjustable from ambient to +40°C and is controlled by a PID controller system. The HMI based touch screen installed in the Presto salt spray chamber is a powerful tool that eases the analysis of corrosion resistance for a wide variety of sample types. A special zero corrosion PT 100 sensor is incorporated in the apparatus. 

The Presto salt spray chamber is triple walled and is fitted with a glass wool insulation, which ensures that the results are accurate and reliable enough to meet the international standard of testing. The chamber incorporates the latest technology including an Air Regulator which regulates the air flow from 0 to 30 psi.

The Salt Spray Tester is designed as per various international Testing Standards which includes, ASTM B 117 and JIS Z 2371. Other than these features like Automated Air Purging and Online Fog Collection makes it easy for the user to perform an error free test.

In the metal industry, it is important for packaging product manufacturers to conduct a salt spray test on the materials in order to test the durability of their products against corrosion. With the use of the Presto salt spray chamber for Paint ,Coatings & plating part manufacturers can easily detect the corrosion-resistant properties of the materials. It complies to ASTM B117 & JIS Z 2371 besides other standards. Users can easily select different types of dimensions of chamber available in this lab testing instrument. Presto is a leading manufacturer of salt spray chambers and offers this high-quality fog test chamber equipped with highly advanced features.

This salt spray test chamber will stimulate the atmospheric conditions for the products to test under different test conditions. This standardized salt spray chamber will easily assess the behavior of the materials and ensure that accurate products will be delivered to the customers. This lab testing equipment also supports an Ethernet communication protocol that allows the users to connect devices utilizing LAN or an internet network. You can get the best salt spray chamber price when you purchase this lab testing instrument from Presto. 


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Torque Tester Digital Model With Printer

Benefits of Torque Tester

The torque tester for bottles are used to determine the torque of Threaded or screwed caps on bottles and similar containers. This measurement with the torque Tester for bottles is particularly important to and out whether the containers are properly closed. A container's cap torque is not important to determine only for its product integrity, but also for customer satisfaction and their safety

PET industries cater the requirements of a wide assortment of industries such as food industries, beverage bottling plants etc. The PET bottles are used for packaging of food items and beverages for better safety and long lasting freshness. A major aspect of bottles that must be tested before usage is the fastening of the bottles caps. Presto’s Torque tester-Digital is an ideal testing instrument to test the fastening of the bottle caps and lids.

The digital model of torque tester offered by Presto is one of the most efficient and accurate testing instrument that is used in most of the PET industries and bottling plants to test the fastness of the lids and caps of the PET bottles and jars. The instrument is provided with a digital display which allows easy reading of the test results with greater accuracy.

This digital torque tester with printer has been made with strong clamping pegs/holders for zero gripping support and a digital display that provide accurate and repeatable results.  We have designed this high-quality lab testing instrument with an in-house calibration facility to have precise measurements of torque. Besides this, it has an adjustable clamping mechanism that will easily hold the different sizes of bottles with ease.

This high-quality lab testing equipment will easily save 9 sample readings with digital readout. Users can also monitor peak load with digital readout and get highly accurate testing results with the help of this lab testing instrument. It comes with the provision to hold peak value in the memory. Presto is a leading torque tester manufacturer and provides reliable torque tester price to clients. With its Safety lock pin, users can also eliminate extra torque application on the sample.

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Crush /RCT/ECT /FCT Digital Model

Benefits of Edge Crush tester

Presto Edge Crush tester – Digital (ECT) is rugged enough for any production testing environment. It is the ideal testing equipment for paper making, packaging, quality inspection department and more. ECT tester – Digital (ECT) is a useful equipment for determining the probable compression strength of corrugated and solid fiber board boxes by testing the paper and paper-board used in making such boxes.

Edge Crush Tester / Ring Crush Tester / Flat Crush Tester is used for accurate testing of paper, paper-board, solid fiber-board & corrugated board for ECT test and its components. The Edge Crush tester can also be used for performing compression test on all small packages.

The higher ECT value determined by the ECT tester depicts the rigidity of the CFB box. Hence, it may be used to compare the quality of the CFB board. It is also possible to determine the compression strength of the box (CFB) by using ECT tester with McKee’s formula i.e.Compression strength = k. ECT x T x Z


Where K= Constant

ECT = edge crush test value

T=Thickness of CFB board (wall thickness)

Z= Perimeter of the box i.e. (2 L + 2 W)


Testing the edge-wise compression strength of corrugated boxes or cardboards is important in determining whether the materials will be strong enough to withstand the rigors of shipping or not. Thus, to make it easy for the paper and packaging product manufacturers to conduct the edge-wise compression strength on materials, this high-quality edge crush tester has been designed by the experts at best price in Presto.

This digital model of Presto Crush /RCT/ECT /FCT model is for a simple and accurate read-out on a digital display. It comes with electronic force measurement for the load and the key locks embedded in this lab testing instrument will help the users to prevent accidental or unauthorized resetting.

The microprocessor-based display has also been embedded for accurate testing results. With its strong gripping clamps, bright LED display, and other advanced features, one can easily test the edge-wise compression strength of the materials. It comes with an in-built calibration facility, users can get accurate testing results every time they conduct the test.


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Tensile Testing Machine Digital

How Does Tensile Testing Machine Work?

The Presto Tensile testing Machine is highly recommended for evaluating the tensile strength of products and materials. The equipment is based on the Constant Rate of Traverse (CRT) principle. It is equipped with an upper jaw and a lower jaw.

While the upper jaw is stationary, the lower one can be moved at a designated fixed speed with the help of a motor. The test specimen is held between the two jaws. The lower jaw is gradually made to move to evaluate the tensile strength of the sample.

The motor is equipped with a gear Box and a lead screw arrangement. The machine also incorporates a special sensor, connected with a load cell. The sensor is capable of judging the load exerted on the stationary jaw and directly indicating the reading in kgs (in digital format).

There are special case hardened lead screws which ensure stability and durability. It incorporates a standard branded motor and CE standard electrical wiring. The completely modular construction of the Presto Tensile Testing Machine ensures trouble free maintenance and easy operation.

Presto Tensile testing Machine is highly stable machine, built using heavy mild steel. Its strength and high quality can be attributed to the various built in safety arrangements, such as over load and over travel protection.

The Presto Tensile testing Machine has an Autumn Gray & Blue combination finish and bright chrome / zinc plating has been added to impart a corrosion resistant finish.

The Instrument comes complete with Instruction Manual; Electrical Wiring Diagram & Calibration Certificate traceable to NABL approved Labs.

The tensile strength test conducted with the help of the Presto tensile strength tester will help the manufacturers to assess the maximum load a material can withstand without getting deformed. By using Presto tensile testing machine manufacturers will ensure the tensile properties of the materials and ensure that quality products will be delivered to the customers. Presto is a leading tensile tester manufacturer and offers the best tensile tester price to our clients.

The digital model of this high-quality testing equipment comes with an advanced load sensor with linearity feature and repeatability to conduct the tensile strength test on the materials with ease. Besides this, we have designed this tensile tester in such a way that it can easily be transported without getting damaged. The safety limit switches have been embedded in this testing machine for over-travel safety.

With its bright LED display, users can accurately view the testing results and ensure that quality materials are delivered. It comes with specially designed gripper jaws for holding fragile samples. Users can easily customize this tensile testing machine according to their needs and requirements.

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Hot Wire Bottle Cutter NXG

Presto’s Hot Wire Bottle Cutter is a widely used instrument in PET bottle industries. PET bottles are mainly used for packaging of various products such as carbonated drinks, food items and so forth. They are also used for packaging of chemical. The shape and size of the bottles is important for the better safety of the products that are packaged in the bottles. For the best shape and size, it is important to test the weight of every section of the PET bottles individually. This process is called the section weight analysis. For accurate section weight analysis, the individual sections of the PET bottles need to be cut properly and precisely without causing any deformation in the shape of the bottle. The Hot wire Bottle cutter helps in this testing procedure of the PET bottles.

The Presto’s Hot Wire Bottle cutter NXG is designed to easily cut the individual sections of the PET bottles. The capacity of the bottles that can be cut using the instrument ranges from 200 ml to 2000 ml. the maximum diameter of the bottles that can be cut with the hot wire bottle cutter is 110 mm. Each section of the bottles is cut in exact dimensions and not deformation occurs in the shape and size of the bottles during the cutting. After accurate cutting of the sections, each section is weighed on a digital balance for accurate measurement of the weight of the sections. This helps in controlling the manufacturing process for better quality assurance and quality control.

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Box Compression Tester Digital

How does Box Compression Tester Work?

Box Compression Tester is a consistent tool to indicate the Compression strength of cardboard boxes so that it does not get deformed or crushed when stacked one above the other during storage or transit.  The Compression strength is determined by placing the box on a flat platform and pressing it downwards from the top with the help of motorized arrangement.

Box Compression Tester is designed to quantify box or container performance so that the effect of various board mediums, closures and interior partitions can be plainly compared by means of Load & bend analysis. Presto BOX Compression Tester is manufactured to meet the requirements of the Paper & Packaging Industries according to International Standards. It is ergonomically designed and easy to use.

Presto Box Compression Tester is used to measure the box compression strength (BCT), shape change and stacking capability of cartons, beehive crates, paper tanks, paper cases etc. Box Compression Tester is designed to evaluate compression strength of the corrugated box and the load range selected to completely collapse as peak load or may be with a pre-determined load for a given period to evaluate stacking load. Compression Strength Test also serves as a useful index of over all quality of the material and workmanship of the box.

The Compression strength is determined by placing the box on a flat platform and pressing it downwards from the top with the help of a motorized arrangement. Box Compression Tester is designed to quantify box or container performance so that the effect of various board mediums, closures, and interior partitions can be plainly compared by means of Load & bend analysis. This high-quality lab testing instrument has been made in accordance with industry standards that make it easy for the manufacturers to conduct the box compression test on the materials with ease.

This compression strength tester consists of a Microprocessor-based display that let the users view highly accurate testing results under uniform compression force. It comes with a strong base plate with a rugged structure and an optional printer facility. Users can easily operate this lab testing instrument with its feather touch controls. This testing instrument is also available in a computerized model also with various platform sizes and load cell capacity. Thus, with the use of this high-quality lab testing instrument, users can easily conduct box compression tests and ensure that their product will not get deformed or compressed while stacking. Our box compression tester Price in India is very good & reasonable according to our product quality. 

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Wall Thickness Gauge

Benefits of Wall Thickness Gauge

Magna-Mike 8600- PPT 

Magnamike is a high-quality product by Olympus. It is the best device to perform wall thickness gauge testing. The instrument provided a non-destructive method of testing the wall thickness of the PET bottles. Presto Stantest is an authorized dealer of the device. The device is used to measure the thickness of non-ferrous material that ranges from PET, plastics, preforms, plastic bottles, water tanks glass bottles, aluminum, etc. The wall thickness gauge offers reliable and accurate test results.

The best testing device which is used to perform bottle thickness measurement is Magnamike 8600 – wall thickness gauge. The instrument is widely used to test the quality of non-ferrous material like Preforms, glass, water tanks, aluminum, foam, PET, etc. The testing instrument works on the principle of Hall Effect technology. It works on a very simple magnetic procedure that makes a simple and repeatable measurement of non-ferrous materials. The device is provided with the digitally colored display that clearly shows the result of thickness measurement on the screen.

Presto offers the best quality of wall thickness gauge testing instrument i.e. Magnamike 8600. The instrument works on the basis of Hall Effect Technology. To perform the test efficiently, it is necessary to access both sides of the container. The ball is placed inside the bottle, and the magnetic probe is placed outside. The sensor inside the probe measures the distance between the ball and the probe tip which helps to measure the thickness of the bottles accurately and efficiently. The wall thickness gauge is used to measure the thickness of plastic bottles, glass containers, aluminum beverage cans, foam, paper glass, HDPE containers.


  • Thickness of Plastic Bottles & Packaging for Pharmaceutical and Medical
  • Measuring Thickness of Glass Containers & Scientific Glass.
  • Measuring Thickness of Aluminium Beverage cans.
  • Measuring Thickness of Paper Glass
  • Measuring Thickness of Foam
  • Measuring Thickness of HDPE containers


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Melt Flow Index Tester - Deluxe

Benefits of Melt Flow Index Tester

Presto Melt Flow Index tester is used for evaluating the flow properties of molten plastics or resins. The Melt flow Index of thermoplastic materials is defined as the rate of flow (in grams per ten minutes) of extrudates of molten resins through a jet of a particular length and diameter. The test is carried out under prescribed condition of temperature, load and piston position in a cylindrical cavity inside a heated metallic tube barrel. The Presto Melt Flow Index tester accurately provides all standard terms of temperature and pressure strictly as per standards ASTM D 1238-1992, ISO 1133, IS 2267-1972, IS 2530-1963, IS 10810-1984.

Presto Melt Flow Index tester is fitted with a Microprocessor based PID Temperature controller, with a temperature range from ambient to 400°C. It has a resolution of 0.1°C and an accuracy of ± 0.1°C. The instrument incorporates a digital presettable timer with a range of up to 59 minutes; 59 seconds and buzzer output. The provision of automatic sample cutting ensures the accuracy and smooth operation.

The equipment is built on a rigid metal base plate to ensure stability during operation. The Presto Melt Flow Index tester is finished in Autumn Gray & Blue combination painting. Further, a bright chrome / zinc plating has been added to impart a corrosion resistant finish. The Instrument comes complete with an instruction manual; Electrical Wiring Diagram & Calibration Certificate traceable to NABL approved Labs.

Melt flow testing is a method used to measure the rate at which a polymer melts and flows under specified conditions. This quality test is used to determine the melt flow index (MFI) of a polymer and help in improving product quality and manufacturing processes. Presto melt flow index tester is a microprocessor-based PID controller that helps manufacturers in automatic sample cutting.

It also consists of a digital preset timer that will provide highly accurate and precise testing results. Besides this, it has a digital steel barrel for uniform and consistent heating of the barrel/test cylinder. Besides this, it has corrosion resistant finish that makes this lab testing instrument to be used for the longest time. The results will be displayed in the LED digital display and have a temperature range of Ambient to 400°C.

Presto is a leading melt flow index tester manufacturer and provides the best melt flow index tester price for this quality lab testing equipment. This standardized lab testing instrument will make it easy for the manufacturers to determine the rate at which the polymer melts and flows. The lower the MFI value the higher the viscosity of the polymer and the greater the resistance to its flow. With the use of this high-quality lab testing instrument, manufacturers of the polymer industry can identify potential processing problems and ensure that products meet performance requirements.

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Laboratory Heat Sealer - Prima Model - PLHS-22 (150 mm)

Benefits of Heat Sealer Machine

Heat Sealer Prima is a consistent tool used to perform sealing on flexible packaging products and other thermoplastic materials using pressure and heat by maintaining high temperatures.  A heat sealer is used to measure the heat seal performance of composite films, plastic films such as PP, PE used in packaging different food products such as milk powder, instant noodle, food, washing powder, and drugs.

The Presto (Pneumatic Model laboratory) Heat Sealer is widely used in the plastic industry. The temperature of the Presto Heat sealer is also adjustable. The instrument has been provided with Digital Display and is Microprocessor based.

Both the upper and lower jaws of the Presto Heat sealer are heated separately with separate temperature sensors and controllers. Thus, it is possible to maintain both jaws at different temperatures. It is even possible to switch off one heater, while keeping the other on.

The Presto lab heat sealer is widely used in the packaging industry to seal flexible packaging products and other thermoplastic materials using heat and pressure.  This high-quality heat seal testing instrument comes with a microprocessor-based display for accurate test results. This lab heat sealer comes with a sealing temperature working range of ambient to 230 degrees Celsius. Presto is a leading manufacturer of laboratory heat sealers and offers this testing equipment embedded with highly advanced features.

The Presto heat sealing equipment has been manufactured as per industrial standards that include ASTM F 2029. Besides this, it comes with a PID temperature controller for the highest level of control and repeatability. It comes with a digital preset timer and works on a guide rod mechanism for efficient control of sealing. With the use of this lab testing instrument, one can effectively test the seal strength of packaging films and ensure quality material will be delivered to the customers. This consistent and easy-to-use lab testing equipment will make the product more functional by determining its sealing strength. You can get more information like laboratory heat sealer price then you can easily consult with us.

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Colour Matching Cabinet - CMC - Asia

Benefits of Colour Matching Cabinet

The Presto Color Matching Cabinet Spectrum Asia II is highly recommended for laboratories and industries where it is important to maintain color consistency and quality. The equipment provides a standardized environment for evaluation and visual assessment of color.

Metamerism is a phenomenon wherein the test samples appears to match under one light source but seem different when viewed under another light source. In such situations it is highly beneficial to use the Presto Color matching cabinet. The equipment is widely used in the paint and plating industry, besides textile & yarn, plastic, paper and other areas.

The Presto color matching cabinet – Spectrum Asia (Rocker Switch Control) provides faster, closer and accurate color matching solution. It has, thus, been the universally preferred choice for decades.

Presto has designed this color matching cabinet- CMC Asia that has been embedded with different light sources to test the quality of colors in a manufactured product. This will help you to maintain the quality and consistency of colors and make sure that you deliver Metamerism-free products to your customers.

With its standardized and controlled lighting conditions, one can easily ensure that high-quality products will be delivered to the customers with ease. This high-quality testing equipment has been made in accordance with industry standards that include ISO 3664, BS 950, ASTM D 1729, and DIN 6173. The angle of the viewing booth is 45 degrees so that the users can accurately view the color difference in the product with ease. We at Presto are leading color-matching cabinet manufacturers and provide the best color-matching cabinet price.

With the expanding demand for accurate colored products in the market, we at Presto have designed this quality product to ensure that the right product will be delivered to the customers with ease. With its consistent testing environment, you will be able to test your products accurately and test any sort of color difference present in the product. This lab testing instrument is widely used in different industries and ensures that products will be tested for color accuracy.  

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Bursting Strength Tester Genie 2.0

Working mechanism of Bursting Strength Tester Genie 2.0

The force required for bursting or complete rupture of the board is measured through a Digital Indicator. The bursting strength defines the materials quality as compared to the others. Bursting Strength Tester Genie 2.0 provides a hydraulic load under a rubber diaphragm of a specific area of the sample under test. It can be used to accurately determine the bursting strength of paper, corrugated cardboard, carton box, card board, leather, cloth or synthetic leathers. The bursting strength value is expressed in terms of kg/cm². Presto, one of the leading manufacturers of testing instruments offer wide range of paper and packaging instruments.

Presto Bursting Strength Tester Genie 2.0 is utilized for measuring the bursting strength of paper/strong paper-board by submitting it to an increasing uniform hydraulic pressure. The procedure involves preparing the specimen for test and mounting the sample between two circular clamps. The specimen is then, tightened with the help of geared handle provided. The increasing pressure (hydraulic) is then applied by the handle. The diaphragm is expanded till the specimen ruptures. The reading on the digital display is the Bursting strength of the given test specimen in kg/cm2. For more details about bursting strength tester contact us.

Bursting strength is considered to be the vital property of the material that depicts the resistance of the material against bursting. Materials like corrugated boxes, carton boxes, cardboard, and other related packaging materials will get burst while shipping or transporting products to the customers.

Thus, with the use of this high-quality bursting strength tester Genie 2.0 is used to test the bursting strength of boxes with ease. By using this high-quality lab testing instrument, paper and packaging manufacturers can easily test the bursting strength of boxes with ease. This high-quality lab testing instrument has been designed to analyze the strength of the package and help manufacturers to decide whether or not the box will be used for the intended application.

We at Presto are the leading manufacturers of bursting strength testers and provide the best-bursting strength tester price for our clients. With its digital indicator, the users can easily get a view of the test readings. This equipment is completely microprocessor based with the original ‘Intel’ chip and the TARE facility is also incorporated in this lab testing instrument.

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Bursting Strength Tester Genie Smart 3.0

Bursting Strength Tester is a reliable index of measurement of strength and performance of materials like paper, paper boards, corrugated boards and boxes, solid fiber boards, filter cloth, industrial fabric, leather and Rexene. With the help of a bursting strength tester, industries can ensure the best quality of products to their clients. Presto is one of the leading manufacturers of Bursting Strength tester.

Other models available of Bursting Strength Tester are: Digital Model, Pneumatic Model, Computerized Cum Digital Model with Manual Clamping and Computerized Cum Digital Model with Pneumatic Clamping.

The bursting strength of the sample is measured by applying the hydrostatic pressure required for producing rupture of the material, when pressure is applied at a controlled increasing rate through a rubber diaphragm. The value of the bursting strength will give an indication of the maximum weight that may be carried in the box. The quality of Corrugated Boxes is graded based on the value of their bursting strength. The Analogue Bursting Strength Tester is a testing instrument that offers highly reliable and accurate test results.

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Polariscope Strain Viewer - Deluxe

Presto offers Polariscope, a highly efficient strain viewer that helps the manufacturers in testing the quality and transparency of the products so that best quality assurance could be ensured to the customers. The working of the Presto’s Polariscope is based on the principle that any change in refractive index is due to different strain distribution and this leads to lower transparency of the material. The testing instrument offered by Polariscope comes in variety of sizes and specifications according to the requirements of the clients

Photoelasticity is a major phenomenon that occurs in PET, Preforms and Glass products. Photoelasticty means the change in the refractive index of the material when there is non-uniform strain distribution throughout the material. Photoelasticity can be a great problem for the manufacturers of PET and glass products as this is great flaw in the quality of the products.

Presto offers two models of Polariscope that are Polariscope Dx and Polariscope computerized. The instruments are manufactured with best quality of materials to provide an extended service life and accurate testing procedures. The testing instrument is provided protection from corrosion and rust with Zinc and chrome plating and has been given a smooth and attractive finish in grey and blue color. The instrument is also provided with an instruction manuals and a conformance certificate that can be traced to any of the NABL approved laboratories.

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Testing Instruments in South Korea

Accurate lab testing instruments are essential for product quality control. Without them, manufacturers will not be able to ensure the safety of their products and consumers could experience high damage rates for products. Thus, by investing in reliable laboratory testing instruments, one can easily test the quality of products accurately. Presto is a leading manufacturer and supplier of laboratory testing equipment and has experience of more than 40 years to test the quality of products accurately.

Thus, whether you are working in the paper & packaging industry, or in the automotive industry, testing the quality of products with our lab testing equipment will provide you with peace of mind and overcome the challenge of high product rejection rates.
Our eagerness for excellence has brought about a revolution aimed at providing unmatched quality and material testing equipment.  We work professionally, quickly, and efficiently – always at the highest level, delivering high production value, with perfection engrained in each and every equipment. Our team of highly talented and experienced professionals has mastered the art of achieving the best results on time and within your budget, every time. 
Now, let us discuss the importance of testing products with standardized testing equipment.

Importance of testing products with standardized testing equipment

Standardized testing equipment is essential for testing products because it ensures consistency and reliability in the testing process. By using standardized testing equipment, the results obtained are comparable and reproducible, regardless of who performs the testing or where it is performed.
This helps to eliminate errors and inconsistencies that may arise from quality testing. Thus, we at Presto Quality Testing Instruments have designed this quality testing equipment in accordance with industrial standards.
Our quality laboratory testing equipment is designed to eliminate the need for manual testing or subjective interpretation of results, which can be time-consuming and prone to errors. It also reduces the need for retesting and improves the overall efficiency of the testing process.
Standardized testing equipment is crucial for testing products because it ensures accuracy, reliability, and consistency of the testing process, helps to meet quality standards, and saves time and costs.
You can easily visit our testing lab to know more about our laboratory testing instruments and also conduct free sample testing sessions for the use of this quality testing equipment. Give us a call at +919210903903 or email us at info@prestogroup.com. Our team of technical experts will consult you regarding all your needs and queries.