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This section provides an overview for oscilloscopes as well as their applications and principles. Also, please take a look at the list of 40 oscilloscope manufacturers and their company rankings. Here are the top-ranked oscilloscope companies as of July, 2025: 1.Good Will Instrument Co., Ltd, 2.Electro Static Technology, 3.Keysight Technologies.
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Categories Related to Oscilloscopes
An oscilloscope is an instrument that outputs electrical signals as waveforms on a screen, and is characterized by the ability to observe signal changes over time in two dimensions.
Oscilloscopes are broadly classified into analog oscilloscopes and digital oscilloscopes.
Analog oscilloscopes observe input signals by scanning an electron beam over the tube surface of a cathode-ray tube to draw waveforms. The input signal to the oscilloscope is immediately displayed with a short delay.
Digital oscilloscopes convert input signals into digital data using an A/D converter, store the data in memory, and then display the waveforms on a display. Unlike analog oscilloscopes, data collection is discrete, so data is complementary and displays as a smooth curve.
Oscilloscopes display electrical signals as waveforms, allowing you to visually check the operation of electronic circuits. By using an oscilloscope, it is possible to check the signal waveforms in an electronic circuit and verify that the circuit is operating as intended.
When verifying high-speed digital circuits, signals must be captured with reliable timing that is not affected by digital signal fluctuations (jitter), and oscilloscopes are used to set the timing.
Oscilloscopes are also useful in repairing electronic equipment because they can trace the signal waveforms of various parts of an electronic circuit to locate the faulty part if the cause of the equipment failure is in the electronic circuit.
In a conventional analog oscilloscope, the signal input from the probe is transmitted to the oscilloscope's vertical amplification circuit. The signal is attenuated or amplified in the vertical amplifier circuit and then transmitted to the vertical deflector plate of the cathode-ray tube.
The voltage applied to the vertical deflector plate scans the electron beam up and down. This sequence of events is the principle behind oscilloscopes. The input signal is simultaneously transmitted to the trigger circuit, and the electron beam starts scanning horizontally the moment the signal matches the set trigger condition.
In a digital oscilloscope, the input signal is converted to digital data by an A/D converter, and the data is sequentially stored in memory. Then, after a predetermined period has elapsed from the point when the input signal meets the trigger condition, it stops storing new data.
As a result, the above memory records the signals before and after the timing when the trigger condition is met, and these signals are displayed as waveforms on the display. In other words, signal waveforms before the trigger can also be observed.
The data in the memory can also be used for waveform analysis, e.g., frequency analysis of signals by FFT operation. Furthermore, the data can be output to a memory card for analysis and data storage on a PC.
When selecting an oscilloscope, it must have sufficient specifications for the application. Specifically, frequency response, sampling rate, number of channels, memory length, and available probe types should be considered.
In addition to the basic use of oscilloscopes for observing waveforms, current oscilloscope applications are expanding to include timing verification, waveform analysis, and compliance testing, and the measurement range and functionality are increasing accordingly. As a result, there is a need to select a model with functions suitable for the intended use.
In addition to observing voltage variations over time, oscilloscopes can also measure the frequency of repetitive signals and draw Lissajous curves. Oscilloscopes are widely used for testing electronic circuits, waveform visualization of video and audio signals, testing response characteristics of power devices, measuring the timing margin of high-speed digital circuits, and evaluating mechatronics products.
Preparation for measurement includes phase adjustment of probes and skew adjustment between probes. Especially when current and voltage probes are used together, skew adjustment is essential because of the significant delay time of current probes. One should also wait about 30 minutes after power-on before measuring to ensure sufficient measurement accuracy.
The trick to observing the desired waveform is to adjust the trigger. With analog oscilloscopes, the only adjustment factors are slope selection, trigger level, and trigger delay, but with digital oscilloscopes, in addition to these factors, various trigger conditions, such as pulse width and interval, can be set.
Additionally, sequential triggers, which capture signals when multiple trigger conditions are satisfied, are also available.
The features of both types of oscilloscopes can be summarized as follows:
Analog Oscilloscope
Digital Oscilloscope
Today, there are no analog oscilloscopes available for industrial measurement applications, and digital oscilloscopes are the choice for almost 100% of applications.
This is possible because of readily available high-speed A/D converters and processors for waveform processing, along with tech improvements that address digital oscilloscope limitations, resulting in affordable, highly functional products.
There are several points to note when using an oscilloscope to observe correct waveforms. In particular, it is important to select a model with a frequency response that sufficiently covers the frequency band you wish to measure.
The frequency response of an oscilloscope is defined as the frequency at which the amplitude falls to -3 dB. So, for accurate amplitude measurement, a model with a frequency response of about 5 times the frequency of the signal under test should be selected.
Additionally, the data sampling frequency of a digital oscilloscope must also be taken into consideration. If the sampling frequency is less than twice the frequency of the signal under test, aliasing will occur and false waveforms will be displayed.
*Including some distributors, etc.
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Telednye LeCroy was established in 1964 in Chestnut Ridge, New York and is a designer and manufacturer of oscilloscopes, modular data acquisition, sensors and calibrators for testing and improving design processes. The company makes LCR meters, electronic loads, torque sensors and load cells, PCI Express, and waveform generators for these industries: military and aerospace, consumer electronics, telecommunications, semiconductor and automotive. It also provides protocol technology training, automotive and device Interoperability testing, and signal integrity academy training services.
B&K Precision Corporation, established in 1951 and headquartered in Yorba Linda, California, stands as a manufacturer and supplier of test and measurement instruments. Its offerings span various industries and applications, including power supplies and DC electronic loads for power testing, signal generators for signal creation, component testers for evaluating electronic components, oscilloscopes for signal waveform analysis, and spectrum analyzers for frequency spectrum measurement. These solutions provide more options for electronic system design and development across education, research, engineering, production, and maintenance sectors. The company holds ISO 9001:2015 certification for its quality management.
Headquartered in Everett, Washington, Fluke is an American-born company operating since 1948. Fluke offers a variety of testing equipment including digital multimeters, thermal cameras, solar PV testing equipment, thermometers, oscilloscopes, leak detection devices, as well as testing-equipment related accessories. Fluke offers direct online sales.
Rohde and Shwarz, headquartered in Munich, Germany, is a technology business that creates, develops, and promotes innovative information and communication technology products for professionals. Customers all over the world rely on Rohde & Schwarz and its cutting-edge solutions in the test & measurement, secure communications, networks & cybersecurity, and broadcast & media areas. They were created in 1993 and have regional hubs in Asia and the United States.Rohde & Schwarz has invested heavily in emerging technologies such as artificial intelligence, the industrial internet of things (IIoT), 6G, cloud solutions, and quantum technology.
Electro Static Technology, Inc., established in Mechanic Falls, Maine, in 1984, is a manufacturer of Shaft Grounding Rings, used for Protecting Electric Motor Bearings. The company's product portfolio includes Split Ring Shaft Grounding Rings, Solid Ring Shaft Grounding Rings and customized Shaft Grounding Rings to address unique application requirements. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. The company also provides services including national distribution, product selection, installation, preventative maintenance, troubleshooting, repair and customer service.
Teledyne LeCroy was founded in 1964 and is headquartered in Chestnut Ridge, New York, with sales, service, and development subsidiaries in the US and throughout Europe and Asia. The company serves a wide variety of industries including semiconductor & computer, consumer electronics, automotive, and telecommunications. The company’s product categories include oscilloscopes, electronic test equipment, protocol analysis solutions such as SATA and USB devices, modular data acquisition devices, and sensors and calibrators. The company provides services such as SSD testing, automotive and device interoperability testing, and technology training.
Allied Electronics Inc., founded in 1991 with headquarters in the USA, is a distributor and supplier of fuel and vehicle servicing station equipment and accessories. The company's extensive product line of over 57,000 products includes forecourt controller parts, fuel dispenser parts, air compressors, and power conditioners. The company also provides rebuilt parts by brands that include Bennett, Daktronics, FE-Petro, and Gasboy. The company's services include equipment financing, primarily serving the retail petroleum industry, including car wash and price sign manufacturers.
Keysight Technologies, Inc. was founded in 1939 and headquartered in Santa Rosa, California. Keysight is a global developer and manufacturer of electronic design and test solutions to communications, networking, aerospace, defense, and government, automotive, energy, semiconductor, electronic, and education industries. Keysight’s communications solutions group solutions include electronic design automation software; radio frequency and microwave test solutions, hardware and virtual network test platforms and software applications, as well as optical laser source solutions. Keysight’s electronic industrial solutions group offers various design tools and verification tools. Keysight offers product support, technical support, and training and consulting services. It sells its products through direct sales force, distributors, resellers, and manufacturer's representatives.
SIGLENT Technologies America, Inc., is a Shenzhen, Guangdong, China-based designer and manufacturer of electronic test and measurement instruments established in 2002. The company offers digital & handheld oscilloscopes, RF & waveform generators, spectrum & vector network analyzers, digital multimeters, and DC electronic loads. These products are used for time domain analysis of RF systems, electromagnetic pre-compliance testing, and SMPS characterization techniques in the communication sector, government facilities, and electronic manufacturing. It has achieved the US UL certification and has additional establishments in Solon, Ohio, USA, and Europe.
TECPEL CO.,LTD. was established in 1990 and is a manufacturer of test and measurement devices based in Xindian, New Taipei City, Taiwan. The company manufactures various devices such as digital thermometers, temperature humidity transmitters, digital pH meters, digital handheld multimeters, and light meters datalogger. The products are manufactured under the CE requirements standards. The company was awarded the Asia-Pacific e-Business Champions of the Year 2008 from Alibaba. The company participated in various exhibitions such as Taitronix Exhibition, The 9th Taipei International Instrument Exhibition, and The Automotive Electronics Show 2018.
SIGLENT Technologies was established in 2002 and is headquartered in Shenzhen, China, and specializes in the design, manufacturing, and supplying of electronic measurement instruments. The company develops oscilloscopes, waveform generators, spectrum analyzers, digital multimeters, and other essential testing equipment. These instruments have various applications and are used by engineers, researchers, educators, and technicians. Their clientele includes research institutions, educational institutions, electronics manufacturers, and service providers. The company also provides solutions to Automotive electronics usually for testing equipment and to Intelligent Manufacturing where it helps with EMI debugging and even IoT industries benefit with aid in the verification of devices.
Anritsu Corporation, established in 1931 and based in Atsugi, Japan, is a manufacturer of electronic measuring instruments, quality assurance systems, and Information and Telecommunication equipment and devices. Its test and measurement products include power meters, power sensors, and conformance test systems, while X-ray inspection systems, metal detectors, and checkweighers ensure food safety and security. Other products like instrumentation-grade adapters and optical sensing equipment are used in IT. The company’s stock was listed in the 2nd section of the Tokyo Stock Exchange in 1961, and in 1968, it was listed in the 1st section.
RIGOL, established in 1998, has its R&D headquarters in China and is a manufacturer of electronic test equipment with over 400 employees serving more than 60 countries and regions worldwide. The company's main products include digital and mixed-signal oscilloscopes, spectrum analyzers, RF signal generators, waveform generators, sensitive measurement products, and data acquisition systems. RIGOL's products are used for IoT, EMC pre-compliance solutions, spectrum monitoring, RF device characterization, and complex demodulation by commercial and industrial clients.
GW Instek or Good Will Instruments is a Taiwanese instrument maker founded in 1975. GW Instek has over 300 product lines, which include Oscilloscopes, Spectrum Analyzers, Signal Sources, Basic Tests and Measurement Instruments, Safety Monitoring Systems, and more. Leading manufacturers choose them as their test and measurement provider. GW Instek has become the leading brand in the electronic test and measurement industry. They help electronic industries reduce testing costs and increase competitiveness. GW Instek has subsidiaries in five countries and is sold to more than 80. Their mission is to reduce total costs and create customers value from cost savings.
OWON - Fujian Lilliput Optoelectronics Technology Co., Ltd is based in China since 1990 as a manufacturer and supplier of test and measurement equipment. The company produces Digital Oscilloscopes available as handheld, virtual, tablet, and benchtop types as well as probes. They have Single Channel and Dual Channel Waveform Generators, along with Digital Multimeters and Programmable DC series Power Suppliers. There are also different types of Thermal Imagers, Spectrum Analyzers, and Anenmo Meters that can provide more than one kind of measurement.
Promax Test & Measurement SLU, founded in 1963 and based in Barcelona, Spain, is a manufacturer of telecommunication instrumentation and electronics equipment. The ISO 9001-certified company stocks products like digital modulators for broadcast, earth resistance meters, and optical fiber fusion splicers used to provide testing solutions for satellite, cable, and digital terrestrial television. It stocks over 200 products at its Barcelona facility, with 18 calibration centers and several service centers worldwide. It produces on-demand PCB circuit boards and electronic equipment and offers software development, training, and industrial design services.
Yokogawa Test & Measurement Corporation was founded in Japan in 1954. Yokogawa currently serves a wide array of industries including the aerospace, automotive, consumer electronics, semiconductor and telecommunications industries with both hardware and software solutions. Among Yokogawa’s suite of products are oscilloscopes, voltage probes, power analyzers and meters, data acquisition tools, optical test equipment, a wide variety of handled meters, calibrators, and testers; analog instruments, and manometers.
Red Pitaya, established in 2013 and headquartered in Solkan, Slovenia, is a manufacturer of open-source laboratory equipment and software. The company's products include the STEMlab 125-14 board, the SIGNALlab 250-12 board, and accessories that include logic analyzer extension modules, LCR meter extension modules, and sensor extension modules. These devices are used for applications that include automated testing, remote measurement, and spectrum analyzers. These products are unique in that they can be modified by the user for any purpose and run on the open-source software provided. It serves industries that include automation, automotive, and consumer product manufacturing.
Fujian Lilliput Optoelectronics Technology Co. Ltd. (OWON), established in 1990 and headquartered in Zhangzhou, China, is a test and measurement equipment manufacturer and supplier. The company offers a wide range of products, including bench-type digital multimeters, arbitrary waveform generators, and programmable DC power supplies. It also offers handheld thermal imagers, handheld spectrum analyzers, and smart anemometers. The company has expanded its products to include all the components required for home energy management systems and primarily services original equipment manufacturers worldwide.
Ikalogic S.A.S., started in 2010 and based in Limoges, France, is a manufacturer of electronic test and measurement instruments such as logic analyzers and handheld oscilloscopes. The company’s IkaScope WS200 is a portable oscilloscope with a 200MHz sampling rate, 30MHz bandwidth, and 80 VPP input range. It’s fitted inside a Wi-Fi-connected probe and has a 1-week battery life. The SP259 series is a 9-channel logic analyzer and protocol decoder that allows 8-bit parallel data to be captured along with a strobe or clock signal. It can interpret several protocols, including USART, CAN, and 1-Wire, and runs at 250 MSPS.
Lisun Instruments Ltd. is based in Shanghai, China, and is a manufacturer of lighting and electrical test instruments that was founded as a subsidiary of LISUN GROUP in 2003. The company designs and produces instruments used to test light and electrical factors in various environments. These include salt spray test chambers, devices for testing electromagnetic compatibility or immunity, and spectroradiometers for measuring the colorimetric parameters of light sources. The company serves a wide range of clients including mobile network operators, lighting device designers, and home appliance manufacturers.
Extech Instruments Corp., founded in 1971 in the USA and acquired by Teledyne FLIR in 2007, is a manufacturer of consumer test and measurement tools. Today, the brand’s extensive catalog of handheld test equipment and accessories includes multi-functional handheld meters, including meters with integration with mobile devices via the use of iOS and Android apps and Bluetooth connectivity. Extech brand products are distributed across more than 100 countries worldwide and available for purchase online.
Shenzhen Yimanfeng Science and Technology, located in Shenzhen City, China, and was established in 2004 is a manufacturer of passive electronic components-capacitors. They specialize in producing and selling thin-film capacitors for renewable energy applications, voltage regulation, and more. Their electronic components also include porcelain slice capacitors and electrolytic capacitors. The company has automatic equipment - a thin-film capacitor producing line, which was imported from Korea and Japan, as well as complete testing measures, strong technical support, advanced scientific production management, and a strict quality assurance system that adopts IEC standards.
TEKTRONIX, INC., founded in 1946, is a manufacturer of measurement solutions used in 3D sensing, EMI/ EMC testing, high-speed serial communication, material science engineering, and Wireless & RF testing. The products include oscilloscopes & probes, signal generators, margin testers, multimeters, and analyzers. The company's products are used in advanced research, aerospace & defense, automotive, power semiconductor, and medical industries. The Bracknell Berkshire company offers calibration, repair, asset management, package assembling, and testing services following NEMA, HAlT & HASS, environmental, and shock-vibration testing.
Chauvin Arnoux began in 1893 in France and took off in 1905 with the invention of the magneto ohmmeter. Chauvin Arnoux is an integrated manufacturer of portable test and measurement instruments used in the electrical sector, education, laboratories, and maintenance. A sample of Chauvin Arnoux’s products include calibrators, electrochemical measurements, relays, analystical software, and accessories. Chauvin Arnoux also offers industrial subcontracting, leveraging its large network of independently operating yet functionally integrated subcontractors’ abilities to manufacture and install PCBs, specialty items, sheet metal, tooling, and more.
Kaise Corporation, established in 1955 and headquartered in Ueda City, Nagano Prefecture, Japan, is a manufacturer and supplier of electronic measuring instruments. Its product lineup includes battery checkers, jump starters, code readers, as well as oscilloscopes, and circuit testers, primarily used in automotive maintenance. Additionally, the company offers digital multimeters, clamp meters, and insulation resistance meters. Its SK-8550 Battery Checker received the 2016 Maintenance Support Award at the Automotive Newspaper Accessories Awards.
PeakTech Prüf- und Messtechnik GmbH, established in 1957 and based in Ahrensburg, Germany, is a manufacturer and supplier of electronic measurement technology. The company's product portfolio includes multimeters, voltage testers, thermal imaging cameras, isolating transformers, and sound level meters, as well as calibrators. These products are applied in various industries, including electrical engineering, environmental monitoring, aviation, telecommunications, and research and development. The company provides customer services, including technical support, repair, service requests, and product development.
SEFRAM INSTRUMENTS SAS, founded in 1947 and headquartered in St Etienne, France, operates as a manufacturer and supplier of electronic equipment for data acquisition and TV meters. Its product range comprises recorders & dataloggers, TV meters & RF test instruments, power supplies, as well as electronic loads, and signal generators, applied in various recording-related fields. The company holds ISO 9001 certification, signifying its adherance to maintaining quality in product manufacturing.
Digilent is based in Pullman, Washington State, USA, and is a manufacturer of electrical engineering products that was established in 2000 before being acquired by National Instruments in 2013. The company primarily produces microcontroller boards for robotics or automation, field-programmable gate array (FPGA) boards, and Pmod and Zmod expansion modules for providing I/O options for portfolio microcontroller and FPGA boards. The company’s products are commonly used in the robotics, artificial intelligence, and computer science industries.
TEXIO TECHNOLOGY CORPORATION has been in operation in Japan for over 60 years. TEXIO specializes in custom orders of a variety of different products including power supplies. TEXIO also specializes in DC power supplies, oscilloscopes, multimeters, function generators, and safety testers.
Pico Technology was established in 1991 and is headquartered in St Neots, Cambridgeshire, United Kingdom where it designs, manufactures, and supplies PC-based test and measurement instruments. The company deals in data acquisition, oscilloscopes, and automotive diagnostics with various test and measurement instruments, including oscilloscopes, data loggers, spectrum analyzers, signal generators, and automotive diagnostics tools. The products help engineers, scientists, researchers, and technicians capture, analyze, and interpret signals and data in various applications. The company also collaborates with academic and research organizations besides aerospace, telecommunications, electronics, and manufacturing industries.
Shenzhen Shengyu Electronics Technology Ltd., founded in 2008 and headquartered in Shenzhen, China, is an electric component distributor that is ISO 9001 certified. The company stocks several components, including switches, capacitors, and resistors, which it sources from multiple manufacturers like Seiko Instruments, Inc., Renesas Electronics America, and Nuvoton Technology Corporation America. Depending on the size and configuration of the customer’s components, the company provides a full range of packaging services. It accepts single or multiple-part quotations, and its website allows customers to search hundreds of products ranging from ICs to computer accessories.
Gao Tek Inc., started in 2001, and headquartered in Manhattan, New York, is a supplier of test and measurement equipment like embedded development tools, electronic measurement instruments, and telecommunication testers. The company is a B2B tech supplier that also stocks drone products, commercial gas detectors, and transceivers and is incorporated in the USA and Canada. It provides a one-year product warranty against defective material or workmanship and offers overnight delivery in the continental USA and Canada. It is a member of the GAO group and has served customers in over 50 countries worldwide.
Ranking as of July 2025
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Good Will Instrument Co., Ltd |
10.1%
|
| 2 | Electro Static Technology |
7.0%
|
| 3 | Keysight Technologies |
5.7%
|
| 4 | Rohde & Schwarz USA, Inc. |
5.3%
|
| 5 | IGOL TECHNOLOGIES, INC. |
4.0%
|
| 6 | PROMAX Test & Measurement SLU |
3.6%
|
| 7 | B&K Precision Corporation |
3.6%
|
| 8 | Teledyne LeCroy |
3.6%
|
| 9 | TEKTRONIX, INC. |
3.3%
|
| 10 | Yokogawa Test & Measurement Corporation |
3.3%
|
Derivation Method
The ranking is calculated based on the click share within the oscilloscope page as of July 2025. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
8 | 33.3% |
|
Japan
|
7 | 29.2% |
|
China
|
4 | 16.7% |
|
Taiwan
|
2 | 8.3% |
|
United Kingdom
|
2 | 8.3% |
|
Spain
|
1 | 4.2% |
266 products found
266 products
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It is a product with a piezoelectric acceleration sensation and preamplifier. Product features ･ ･ M 1 1 1 1 1 1 1 1 1 1 1 ･ ･ ･ ･ 8 -bit oscillos...
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■Features A compact single-phenomenon analog oscilloscope with excellent cost performance.
