loading

Gester Instruments | Professional PPE, Footwear and  Textile Testing  Equipment Manufacturers Since 1997


Products
Test Standard

Twenty Scientific Instruments That Made Great Contributions to Human Progress

Modern society cannot do without electricity. When you enjoy the convenience of electric lights, air conditioners, telephones, and the Internet every day, have you ever wondered how scientists figure out the principle? In The Prologue of Electrical Age, we will look back at 1600 through some 20 important and beautiful historical instruments—The history of electricity in the 1900s. Using scientifically accurate, high-quality computer graphics (CG), we have managed to restore these historical instruments to their original appearance, and to present how they work and the important scientific discoveries associated with them. We plan the final form of 'Prologue of the Electric Age' to be an illustrated popular science book and an interactive iPad app. We are currently looking for co-authors for the project. If you are an experienced science writer and interested in this project, please contact us (liangyan@novoedu.com). The following is a preview of the project: 'Prologue of the Electric Age' is divided into 8 themes, introducing nearly 20 important historical instruments, related scientists and their important scientific discoveries. Below is a preview of the 10 instruments. ?William·Gilbert invented the electrostatic electroscope in 1600, which is the earliest electrostatic detection device. Gilbert was the first scientist to distinguish between electrical and magnetic phenomena. ? Otto·Feng·Triboelectric device invented by Curric in 1663. After rubbing the yellow sulfur ball with your hand, the sulfur ball can attract small objects such as feathers. The nature of his experimental phenomenon was unclear at the time, and he believed that the attraction of the sulphur ball to other objects was similar to that of the Earth. ?Jean-Antoine·Electrostatic generator invented by Noley in 1753. Rubbing rapidly rotating hollow glass spheres with hands or fur can generate a large amount of static charge on the glass surface. ?Leiden Flask by Feng· Kleist invented independently in 1745 and Mussenbrooke in 1745-1746, and takes its name from the city of Leiden, where Mussenbroke is located. The Leiden jar was the first capacitor. ? Benjamin·The Leiden jar battery pack invented by Franklin in 1758. Franklin was the first to use the word Battery to describe a battery pack. Battery previously referred to military platoons. ?Charles·Augustine·Coulomb invented the torsion balance device in 1785. With this sophisticated instrument, Coulomb discovered the famous Coulomb's Law. ?Alessandro·The voltaic pile was invented by Volt in 1800. This is the first chemical battery that can be powered continuously. The invention of the voltaic pile greatly promoted the progress of electrochemistry and electromagnetism. ?Michael·The electromagnetic rotating device invented by Faraday in 1821. This device was the precursor to all electric motors. ?Michael·Faraday discovered the famous phenomenon of electromagnetic induction in 1831. The picture above is the first electromagnetic induction generator invented by Pixie in 1832 based on Faraday's research results. ?Heinrich·An experimental device for electromagnetic wave detection invented by Hertz in 1886. Through this experimental setup, Hertz confirmed the existence of electromagnetic waves for the first time, and determined that the propagation speed of electromagnetic waves is the same as the speed of light.

GET IN TOUCH WITH Us
recommended articles
Bally Leather Flexing Tester GT-KC10A Assembly Guide
This comprehensive guide provides detailed instructions for the proper assembly, calibration, and operation of the Bally Leather Flexing Tester GT-KC10A. Essential for quality control labs, it ensures accurate testing of flex resistance in leather, coated fabrics, and textiles used in footwear uppers, helping to prevent material failure.
GESTER: China Top PPE Testing Equipment Company Leading Global Safety Standards
Since 1997, GESTER International Co., Ltd has emerged as China’s top PPE testing equipment company, with 25+ years of R&D experience in high-precision testing instruments. Serving clients in over 160 countries and partnering with global leaders like SGS, Intertek, and TUV, GESTER aligns its products with international standards (ISO, ASTM, EN, GB) to ensure reliable PPE performance. Highlighted by the GT-RC02B TPP Thermal Protection Tester—capable of simulating extreme thermal environments and calculating critical safety metrics like TPP values and escape time—and the GT-KC28 TDM Cut Test Machine, GESTER’s portfolio covers thermal protection, cut resistance, footwear testing, and more. The company offers comprehensive support, including ISO 17025/NFPA-aligned calibration, on-site installation, and staff training, empowering PPE manufacturers and testing laboratories to meet stringent global regulations, prevent workplace injuries, and accelerate market access. As a leader in global safety standards, GESTER combines technical precision, user-centric design, and lifecycle service to deliver tailored solutions for high-risk industries worldwide. Visit https://www.gesterinstruments.com/ for full product details.
Understanding Universal Tensile Testing machine: Feature, Operation
Discover how universal testing machines perform tensile, compression, bending, and peel tests on metals, plastics, rubber, and composites. Features include servo motors, 0.001mm resolution, RS232 data, and safety systems. Step-by-step operation guide included.
What Are the ISTA Standard Tests and ISTA Testing Equipment?
ISTA (International Safe Transit Association) standard tests are globally recognized transportation packaging test procedures designed to evaluate the safety and reliability of products and their packaging throughout the logistics chain. By simulating real-world transportation conditions such as drops, vibration, impact, stacking, and compression, ISTA testing helps identify potential packaging weaknesses before products enter large-scale distribution. ISTA testing equipment—including drop testers, vibration testers, incline impact machines, and compression testers—plays a critical role in accurately reproducing these conditions under laboratory settings. Proper selection and use of ISTA-compliant equipment enable manufacturers to reduce transportation damage, lower return costs, enhance packaging design, and improve customer confidence in product quality and logistics safety.
How to Improve the Accuracy of a Martindale Tester
Ensuring the accuracy of your Martindale abrasion and pilling tester is critical for reliable textile quality control. This guide details essential steps, from precise sample preparation and correct machine operation to routine maintenance. We also explore how advanced testers, like the GESTER model with its dual-servo drive and tool-free operation, are engineered to eliminate common sources of error and enhance testing precision for superior results.
Analysis of Pilling Influencing Factors and Testing Methods
Pilling testing plays a vital role in textile quality control, helping manufacturers evaluate and improve the wear performance of fabrics. Through the use of advanced instruments like ICI Pilling Box Test Method (GT-C18) , Martindale Abrasion Test Method (GT-C13B) , and Random Tumble Pilling Test Method (GT-C19A) , laboratories can conduct precise and standardized assessments, ensuring that final textile products deliver superior appearance, comfort, and longevity.
Mask Testing Equipment: Everything You Need to Know
This article comprehensively introduces mask testing equipment, including its definition, application significance, core international testing standards, main equipment types and functional characteristics. It also puts forward a step-by-step selection guide and common selection misunderstandings, providing a reference for mask manufacturers, third-party testing institutions and regulatory departments to select appropriate testing equipment, so as to ensure mask product quality, pass international certification and protect user safety.
Must-See Innovation: Leading Safety Helmets Tester Company at A+A International Trade Fair
The A+A International Trade Fair in Düsseldorf serves as the global hub for occupational safety and PPE innovation, where GESTER—an industry leader with over 20 years of R&D experience—shines as a top safety helmets tester company. This article explores the evolving global safety standards (ISO, ASTM, EN, ANSI) driving demand for advanced testing equipment, and highlights GESTER’s high-precision solutions for impact absorption, penetration resistance, and flame resistance testing. With ISO 9001 certification, computerized automation, real-time data capture, and a comprehensive global support framework (on-site installation, calibration, OEM/ODM services), GESTER empowers PPE manufacturers and laboratories to meet rigorous compliance requirements. The company’s presence at A+A underscores its commitment to bridging innovative PPE design with reliable safety validation, helping businesses accelerate time-to-market while ensuring worker protection worldwide.
Why Is Shoe Slip Resistance Tester Important for Footwear Safety?
Slip resistance is one of the most critical performance indicators for modern footwear, especially safety shoes used in industrial and high-risk working environments. Slip and fall accidents frequently occur on wet or smooth surfaces, posing serious risks to workers and consumers. To prevent such accidents and improve product safety, footwear manufacturers widely use professional testing equipment such as Shoe Slip Resistance Tester and Footwear Slip Testing Machine. These devices simulate real walking conditions to measure the coefficient of friction between the shoe sole and various surfaces. This article explores the working principle, features, applications, and industry significance of shoe slip safety tester, explaining why accurate slip resistance testing is essential for footwear safety, product development, quality control, and compliance with international standards.
Leather Physical Properties Testing Guide
This guide details the 9 critical physical property tests essential for assessing leather quality: Tensile Strength, Tear Strength, Abrasion Resistance, Thickness, Water Vapor Permeability, Water Resistance, Shrinkage Temperature, Color Fastness to Friction, and Bending Strength. It covers the testing scope (natural leather, synthetic leather, finished products, semi-finished goods) and introduces specialized testing equipment required for each method (e.g., Universal Testing Machine, Elmendorf
no data
Quanzhou Gester International Co.,Ltd gains certificates of ISO 9001, 3A and SGS Audited supplier etc. with advanced design concept, excellent manufacturing technology and strict quality control.
WeChat
Contact us
Tel: +86-595-28886108 
Fax: +86-595-22515221
E-mail: sales10@gester-instruments.com,
                 info@gester-instruments.com
Mobile/Whatapp/ Wechat:  
             + 86(0)18059985379
Address:  Block 402,4th floor, f buliding, shengfulan business Center, no.577 jitai road, economic and  Technological development zone quanzhou of fujian.China.
Customer service
detect