Handheld Digital Multimeter Sales

Handheld Digital Multimeter Sales Market Outlook

The global handheld digital multimeter market is anticipated to reach a valuation of approximately USD 2.5 billion by the year 2035, with a compound annual growth rate (CAGR) of around 6.5% during the forecast period from 2025 to 2035. This growth can be attributed to the increasing demand for precision in electrical measurements and diagnostics across multiple sectors, including automotive and industrial applications. Additionally, the rising trend of DIY electronics and maintenance work in residential and commercial spaces is further propelling the market forward. The growing adoption of advanced features, such as connectivity options and enhanced display technologies, also plays a significant role in driving the market's expansion. Moreover, the need for reliable and durable measuring instruments to ensure safety and compliance with regulatory standards adds to the growth momentum.

Growth Factor of the Market

The handheld digital multimeter market is experiencing rapid growth due to several pivotal factors. The increasing complexity of electrical systems in vehicles and machinery necessitates the use of sophisticated measuring tools, with handheld digital multimeters being among the most favored options for professionals and hobbyists alike. Furthermore, technological advancements in multimeter design and functionality, such as the introduction of auto-ranging features and Bluetooth connectivity, have heightened user experience and efficiency, thus attracting more consumers to the market. Additionally, the educational sector is increasingly incorporating digital multimeters into their curricula, enhancing students' practical skills and driving market demand. The rise of renewable energy technologies, particularly in photovoltaic systems, is also contributing to the growth, as accurate measurements are imperative for system optimization and maintenance. Lastly, the global push for sustainability and energy efficiency has led to an upsurge in industrial applications, marking a significant growth trajectory for the multimeter market.

Key Highlights of the Market

• The global market for handheld digital multimeters is projected to reach USD 2.5 billion by 2035.
• The market is expected to grow at a CAGR of 6.5% between 2025 and 2035.
• The automotive and industrial applications are the leading segments driving the demand.
• Technological innovations, such as wireless capabilities, are enhancing user functionality.
• The educational sector's emphasis on practical training is boosting market penetration.

By Product Type

Manual Range Multimeters:

Manual range multimeters are one of the traditional types of multimeters that require users to manually set the range for the measurement they wish to take. Although these devices have become less common with the rise of auto-ranging multimeters, they still hold a significant position in the market due to their cost-effectiveness and simplicity. They are favored by experienced professionals who prefer to have complete control over their measurement settings and are often employed in educational settings to teach basic electrical principles. Their rugged designs make them suitable for various environments, especially in industrial applications where cost considerations are a priority.

Auto Range Multimeters:

Auto range multimeters are among the most popular types in the handheld digital multimeter segment. They automatically select the appropriate measurement range based on the input voltage, current, or resistance, making them user-friendly and efficient. This feature significantly reduces the time spent on adjustments, allowing users to focus on obtaining accurate readings. As a result, these multimeters are particularly favored in fast-paced work environments such as automotive diagnostics and industrial maintenance. Their popularity is further enhanced by the continuous advancements in technology, leading to the development of more accurate and reliable devices that cater to a wider range of applications.

Benchtop Multimeters:

Benchtop multimeters, while primarily used in laboratory settings, are distinguished by their high precision and stability. These devices are designed for more extensive testing and measurement, providing a higher level of accuracy compared to portable options. Although they are not classified strictly as handheld, the emergence of more compact benchtop models has broadened their appeal to technicians and engineers who require reliable measurements in various applications, particularly in research and development. The growing emphasis on quality assurance in manufacturing is expected to drive the demand for benchtop multimeters, as they contribute to ensuring that products meet strict regulatory standards.

Clamp Multimeters:

Clamp multimeters are specifically designed for measuring current without the need for direct electrical contact. This feature is particularly useful in industrial environments where safety and efficiency are paramount. The clamp mechanism allows users to measure current by clamping the meter around a conductor, thus eliminating the need to break the circuit. As electrical systems become more complex, the demand for clamp multimeters has risen significantly, particularly in maintenance and troubleshooting applications. Their convenience and the added safety they provide make them increasingly popular among technicians and electrical engineers.

HVAC Multimeters:

HVAC multimeters are specialized devices designed to cater to the unique requirements of heating, ventilation, and air conditioning systems. These multimeters often come equipped with specific features such as temperature probes and capabilities for measuring capacitance, making them indispensable tools for HVAC technicians. Their ability to quickly measure and diagnose HVAC system performance contributes to improved service efficiency and customer satisfaction. As the demand for HVAC systems continues to grow, driven by factors such as climate change and energy efficiency regulations, the demand for specialized multimeters will simultaneously increase, further solidifying the position of HVAC multimeters in the market.

By Application

Automotive:

The automotive application segment is one of the largest contributors to the growth of the handheld digital multimeter market. With the rise of advanced automotive technologies and electric vehicles, the need for accurate and efficient diagnostic tools has never been greater. Handheld digital multimeters are especially valuable for automotive technicians who rely on precise measurements to troubleshoot electrical systems, sensors, and other critical components in vehicles. As the automotive industry continues to innovate, the demand for reliable multimeters that can keep pace with these advancements is expected to increase, making this a pivotal application segment for growth.

Industrial:

The industrial application segment encompasses a wide range of sectors including manufacturing, construction, and energy. Handheld digital multimeters are vital tools in these industries, used for testing electrical circuits, troubleshooting machinery, and ensuring compliance with safety standards. The growing emphasis on automation and smart manufacturing is driving the demand for precision measurement tools that can withstand harsh working conditions. Moreover, as industries continue to implement advanced electrical systems and smart technologies, the need for adaptable and versatile multimeters will likely persist, positioning the industrial segment as a cornerstone of market growth.

Residential:

The residential application segment has gained traction in recent years due to the increasing popularity of DIY projects and home renovations. Homeowners and hobbyists are increasingly turning to handheld digital multimeters to conduct electrical repairs and installations safely. As more individuals engage in self-directed home improvement projects, the demand for affordable, user-friendly multimeters has risen, contributing to the market's expansion. Furthermore, the trend towards energy efficiency in residential settings is prompting homeowners to utilize multimeters to measure electrical consumption, optimize appliance usage, and ensure that their homes are operating efficiently.

Commercial:

The commercial application segment includes a variety of settings such as offices, retail stores, and educational institutions. Handheld digital multimeters are essential tools for maintaining electrical systems and ensuring the safety of electrical equipment in these environments. As commercial establishments increasingly prioritize electrical safety and energy efficiency, the demand for multimeters that can deliver accurate measurements in a timely manner has grown. Additionally, the integration of digital technologies in commercial settings enhances the need for reliable diagnostic tools, ensuring that multimeters remain a staple in commercial electrical maintenance routines.

Educational:

The educational application segment is particularly important as it involves the training of future professionals in the fields of electronics and electrical engineering. Handheld digital multimeters are frequently used in educational institutions to teach students about electrical principles, measurements, and diagnostics. Their user-friendly interfaces and multifunctional capabilities make them ideal tools for practical demonstrations and hands-on learning. The growing emphasis on STEM education is likely to bolster demand for these devices, as educational institutions invest in modern equipment to enhance the learning experience for students pursuing careers in electrical and electronic fields.

By Distribution Channel

Online Retailers:

Online retailers have rapidly emerged as a crucial distribution channel for handheld digital multimeters, driven by the convenience and variety they offer to consumers. The shift towards e-commerce has allowed manufacturers and distributors to reach a broader audience, providing detailed product information and customer reviews that assist in the purchasing decision. Additionally, online platforms often offer competitive pricing and promotional deals, making it easier for consumers to access a wide range of multimeters from various brands. As consumer preferences continue to gravitate towards online shopping, this channel is expected to see sustained growth and increased market penetration.

Specialty Stores:

Specialty stores remain an important distribution channel for handheld digital multimeters, providing expert guidance and personalized service to customers seeking precise measurement tools. These stores often carry a curated selection of high-quality multimeters, catering to professionals who require specific features and functionalities. The advantage of purchasing from specialty stores includes the opportunity for consumers to receive hands-on demonstrations, which can be invaluable for making informed decisions. As professionals seek reliable tools, specialty stores are likely to maintain their significance in the market, promoting customer loyalty through exceptional service and product knowledge.

Direct Sales:

Direct sales remain a viable channel for distributing handheld digital multimeters, particularly for manufacturers seeking to establish a strong relationship with their customers. This approach allows for personalized interactions and tailored solutions based on individual customer needs. Companies often leverage direct sales teams to provide in-depth product demonstrations and technical support, which can be crucial in industries requiring specialized measurement tools. As manufacturers continue to emphasize customer satisfaction and long-term partnerships, direct sales are expected to play a significant role in the market's overall growth.

Distributors:

Distributors serve as key intermediaries in the handheld digital multimeter market, facilitating the flow of products from manufacturers to various retail channels. They play an essential role in managing logistics, inventory, and supply chain dynamics, ensuring that multimeters are readily available to end-users. Distributors often collaborate with manufacturers to understand market trends and consumer demands, enabling them to stock popular models and features. As the market evolves, distributors will need to adapt to changing consumer behaviors and preferences, ensuring that they remain relevant and effective in their role within the supply chain.

Wholesalers:

Wholesalers are essential players in the distribution of handheld digital multimeters, often dealing in bulk purchases and supplying products to various retailers and end-users. Their ability to offer competitive pricing and large quantities makes them attractive to retailers seeking to minimize costs while maximizing inventory. Wholesalers typically maintain relationships with multiple manufacturers, allowing them to provide diverse product offerings. As demand for multimeters continues to grow, wholesalers will play a crucial role in ensuring that products are accessible across various markets and distribution channels, thereby contributing to overall market expansion.

By Display Type

Analog Display:

Analog display multimeters utilize traditional needle-and-dial technology to present measurement readings, offering a simple and straightforward way to visualize electrical parameters. Although they have been largely overshadowed by digital displays, analog multimeters are still favored by some users for their ease of use and reliability in specific applications. They are particularly popular among those who appreciate the tactile feedback of a needle moving across a scale, which can make it easier to gauge rapid changes in measurement. As such, analog displays continue to serve a niche market, especially in environments where basic electrical measurements are sufficient.

Digital Display:

Digital display multimeters represent the majority of the handheld multimeter market, providing clear numerical readings for voltage, current, and resistance measurements. These devices are favored for their accuracy and ease of interpretation, making them ideal for both professionals and hobbyists. Digital displays often come equipped with various features such as auto-ranging, data hold, and backlighting, enhancing their usability in different environments. As technology continues to advance, digital display multimeters are also incorporating additional functionalities such as wireless data transmission, further solidifying their dominance within the market.

Graphical Display:

Graphical display multimeters offer advanced measurement visualization through digital screens that can depict waveforms and trends in real-time. This capability is particularly beneficial for users who require a deeper understanding of electrical signals and performance over time. The graphical interface allows for more intuitive data analysis, making them suitable for complex applications in research, development, and troubleshooting. As professionals seek increasingly sophisticated tools for precise diagnostics, the demand for graphical display multimeters is likely to grow, driven by their enhanced technical capabilities and user-friendly interfaces.

Advanced Display:

Advanced display multimeters incorporate cutting-edge technology to provide users with enhanced measurement capabilities and interfaces. These devices often feature high-resolution screens, touch interfaces, and customizable displays that allow users to prioritize the data most relevant to their tasks. Advanced displays may also include functionalities for recording and analyzing data over time, making them invaluable tools for engineers and technicians working on intricate electrical systems. As the need for sophisticated measurement solutions grows, advanced display multimeters are expected to gain traction in various professional settings.

Wireless Display:

Wireless display multimeters represent the forefront of technological innovation, allowing users to connect their devices to smartphones or computers for real-time data monitoring and analysis. This capability not only enhances user convenience but also facilitates remote measurements, which can be essential in hazardous environments or when dealing with high-voltage systems. The ability to store and analyze data wirelessly opens up new avenues for diagnostics and performance monitoring, making these multimeters particularly appealing to professionals in sectors such as automotive, industrial, and research applications. As wireless technology continues to evolve, the adoption of wireless display multimeters is expected to rise significantly.

By Region

Regionally, the North American market for handheld digital multimeters is projected to be the largest, with an expected market share of around 35% by 2035. The region's strong focus on technological innovation, coupled with the presence of leading manufacturing companies, plays a crucial role in driving market growth. Furthermore, the increasing adoption of advanced automotive technologies and the growing emphasis on energy efficiency across various sectors contribute to the region's robust demand for precise measurement tools. The market in North America is expected to grow at a CAGR of 6.8% during the forecast period, reflecting the region's strong investment in technological advancements and infrastructure improvements.

In Europe, the handheld digital multimeter market is also witnessing significant growth, projected to capture approximately 30% of the global market share by 2035. The region's stringent safety regulations in industrial applications drive demand for reliable and accurate measuring instruments. Moreover, the emphasis on renewable energy and smart grid technologies is further propelling the need for sophisticated multimeters that can handle complex measurements. The European market is anticipated to grow at a CAGR of 6.2%, indicating a steady increase driven by regulatory compliance and environmental initiatives.

Opportunities

The handheld digital multimeter market presents numerous opportunities for growth and innovation, particularly in the realm of technology integration. As industries increasingly adopt smart technologies and the Internet of Things (IoT), there is a growing demand for multimeters that can connect to other devices for real-time data analysis and monitoring. This integration opens doors for manufacturers to develop more sophisticated products that cater to the evolving needs of technicians and engineers. Moreover, the potential for integrating cloud capabilities allows users to store, analyze, and share measurement data seamlessly, fostering collaboration and enhancing overall productivity in various applications. Companies that invest in research and development to create cutting-edge, connected multimeter solutions are likely to capture a significant share of the market.

Another promising opportunity lies in the untapped potential of emerging markets. As developing countries continue to industrialize and expand their electrical infrastructure, there is a burgeoning demand for reliable measurement tools that can ensure safety and compliance. Manufacturers that focus on providing cost-effective and user-friendly handheld digital multimeters tailored to the needs of these markets stand to benefit significantly. Additionally, educational institutions in these regions are beginning to incorporate modern measurement tools into their curricula, further driving demand. Companies that recognize and invest in these emerging markets will likely experience substantial growth and expansion in the coming years.

Threats

The handheld digital multimeter market faces several threats that could hinder its growth potential. One of the primary challenges is the intense competition among manufacturers, leading to price wars and reduced profit margins. As more players enter the market, the pressure to innovate and differentiate products increases, which may strain smaller companies that lack the resources to invest in research and development. Additionally, the rapid pace of technological advancement means that companies must continuously upgrade their offerings to remain relevant, further exacerbating the competitive landscape. Furthermore, counterfeit products pose a significant risk, as they can undermine consumer trust in established brands and compromise safety standards in critical applications.

Another significant restraining factor impacting the market is the economic uncertainty experienced in various regions, which can lead to reduced capital expenditure in both industrial sectors and consumer markets. Economic downturns can result in budget cuts for maintenance and purchasing, causing a decline in demand for handheld digital multimeters. Additionally, regulatory changes and compliance standards can shift, affecting product lines and requirements. Companies that do not adapt quickly to these changes may find it challenging to maintain market share. As the industry evolves, it is imperative for stakeholders to remain vigilant and proactive in addressing these challenges to sustain growth.

Competitor Outlook

• Fluke Corporation
• Keysight Technologies
• Tektronix
• Amprobe
• Extech Instruments
• Chauvin Arnoux
• Klein Tools
• Uni-T
• Mastech Group
• Agilent Technologies
• Sanwa Electric Instrument
• AEMC Instruments
• Gossen Metrawatt
• Triplett
• Metrel

The competitive landscape of the handheld digital multimeter market is characterized by the presence of several established players and numerous emerging companies. Major players like Fluke Corporation, Keysight Technologies, and Tektronix dominate the market with their extensive product lines, strong brand recognition, and commitment to research and development. These companies are continuously innovating, introducing state-of-the-art multimeters equipped with advanced functionalities. Their focus on quality and reliability has positioned them as leaders in the industry, catering to various sectors such as automotive, industrial, and educational applications. Furthermore, their global presence enables them to reach a wide customer base, solidifying their competitive advantage.

Fluke Corporation is particularly notable for its high-quality, reliable multimeters known for their rugged design and precision. The company's commitment to innovation has led to the introduction of advanced features such as wireless connectivity and smartphone integration in their latest multimeter models. Keysight Technologies, on the other hand, is recognized for its expertise in electronic measurement, providing a range of multimeters that cater to professional engineers and technicians. Their focus on cutting-edge technology and data analysis capabilities sets them apart from competitors, making them a preferred choice in research and development environments.

Emerging companies are also making significant strides in the handheld digital multimeter market, often focusing on affordability and user-friendly designs. Companies like Uni-T and Mastech Group are gaining traction by offering budget-friendly options without compromising on essential functionalities. These brands cater to DIY enthusiasts and small businesses, tapping into the growing demand for accessible electrical measurement tools. As the market evolves, the competitive landscape is expected to become even more dynamic, with both established players and new entrants vying for market share and exploring innovative solutions to meet consumer needs.

• 1 Appendix

  • 1.1 List of Tables
  • 1.2 List of Figures

• 2 Introduction

  • 2.1 Market Definition
  • 2.2 Scope of the Report
  • 2.3 Study Assumptions
  • 2.4 Base Currency & Forecast Periods

• 3 Market Dynamics

  • 3.1 Market Growth Factors
  • 3.2 Economic & Global Events
  • 3.3 Innovation Trends
  • 3.4 Supply Chain Analysis

• 4 Consumer Behavior

  • 4.1 Market Trends
  • 4.2 Pricing Analysis
  • 4.3 Buyer Insights

• 5 Key Player Profiles

  • 5.1 Uni-T
    • 5.1.1 Business Overview
    • 5.1.2 Products & Services
    • 5.1.3 Financials
    • 5.1.4 Recent Developments
    • 5.1.5 SWOT Analysis
  • 5.2 Metrel
    • 5.2.1 Business Overview
    • 5.2.2 Products & Services
    • 5.2.3 Financials
    • 5.2.4 Recent Developments
    • 5.2.5 SWOT Analysis
  • 5.3 Amprobe
    • 5.3.1 Business Overview
    • 5.3.2 Products & Services
    • 5.3.3 Financials
    • 5.3.4 Recent Developments
    • 5.3.5 SWOT Analysis
  • 5.4 Triplett
    • 5.4.1 Business Overview
    • 5.4.2 Products & Services
    • 5.4.3 Financials
    • 5.4.4 Recent Developments
    • 5.4.5 SWOT Analysis
  • 5.5 Tektronix
    • 5.5.1 Business Overview
    • 5.5.2 Products & Services
    • 5.5.3 Financials
    • 5.5.4 Recent Developments
    • 5.5.5 SWOT Analysis
  • 5.6 Klein Tools
    • 5.6.1 Business Overview
    • 5.6.2 Products & Services
    • 5.6.3 Financials
    • 5.6.4 Recent Developments
    • 5.6.5 SWOT Analysis
  • 5.7 Mastech Group
    • 5.7.1 Business Overview
    • 5.7.2 Products & Services
    • 5.7.3 Financials
    • 5.7.4 Recent Developments
    • 5.7.5 SWOT Analysis
  • 5.8 Chauvin Arnoux
    • 5.8.1 Business Overview
    • 5.8.2 Products & Services
    • 5.8.3 Financials
    • 5.8.4 Recent Developments
    • 5.8.5 SWOT Analysis
  • 5.9 AEMC Instruments
    • 5.9.1 Business Overview
    • 5.9.2 Products & Services
    • 5.9.3 Financials
    • 5.9.4 Recent Developments
    • 5.9.5 SWOT Analysis
  • 5.10 Gossen Metrawatt
    • 5.10.1 Business Overview
    • 5.10.2 Products & Services
    • 5.10.3 Financials
    • 5.10.4 Recent Developments
    • 5.10.5 SWOT Analysis
  • 5.11 Fluke Corporation
    • 5.11.1 Business Overview
    • 5.11.2 Products & Services
    • 5.11.3 Financials
    • 5.11.4 Recent Developments
    • 5.11.5 SWOT Analysis
  • 5.12 Extech Instruments
    • 5.12.1 Business Overview
    • 5.12.2 Products & Services
    • 5.12.3 Financials
    • 5.12.4 Recent Developments
    • 5.12.5 SWOT Analysis
  • 5.13 Agilent Technologies
    • 5.13.1 Business Overview
    • 5.13.2 Products & Services
    • 5.13.3 Financials
    • 5.13.4 Recent Developments
    • 5.13.5 SWOT Analysis
  • 5.14 Keysight Technologies
    • 5.14.1 Business Overview
    • 5.14.2 Products & Services
    • 5.14.3 Financials
    • 5.14.4 Recent Developments
    • 5.14.5 SWOT Analysis
  • 5.15 Sanwa Electric Instrument
    • 5.15.1 Business Overview
    • 5.15.2 Products & Services
    • 5.15.3 Financials
    • 5.15.4 Recent Developments
    • 5.15.5 SWOT Analysis

• 6 Market Segmentation

  • 6.1 Handheld Digital Multimeter Sales Market, By Application
    • 6.1.1 Automotive
    • 6.1.2 Industrial
    • 6.1.3 Residential
    • 6.1.4 Commercial
    • 6.1.5 Educational
  • 6.2 Handheld Digital Multimeter Sales Market, By Display Type
    • 6.2.1 Analog Display
    • 6.2.2 Digital Display
    • 6.2.3 Graphical Display
    • 6.2.4 Advanced Display
    • 6.2.5 Wireless Display
  • 6.3 Handheld Digital Multimeter Sales Market, By Product Type
    • 6.3.1 Manual Range Multimeters
    • 6.3.2 Auto Range Multimeters
    • 6.3.3 Benchtop Multimeters
    • 6.3.4 Clamp Multimeters
    • 6.3.5 HVAC Multimeters
  • 6.4 Handheld Digital Multimeter Sales Market, By Distribution Channel
    • 6.4.1 Online Retailers
    • 6.4.2 Specialty Stores
    • 6.4.3 Direct Sales
    • 6.4.4 Distributors
    • 6.4.5 Wholesalers

• 7 Competitive Analysis

  • 7.1 Key Player Comparison
  • 7.2 Market Share Analysis
  • 7.3 Investment Trends
  • 7.4 SWOT Analysis

• 8 Research Methodology

  • 8.1 Analysis Design
  • 8.2 Research Phases
  • 8.3 Study Timeline

• 9 Future Market Outlook

  • 9.1 Growth Forecast
  • 9.2 Market Evolution

• 10 Geographical Overview

  • 10.1 Europe - Market Analysis
    • 10.1.1 By Country
      • 10.1.1.1 UK
      • 10.1.1.2 France
      • 10.1.1.3 Germany
      • 10.1.1.4 Spain
      • 10.1.1.5 Italy
  • 10.2 Asia Pacific - Market Analysis
    • 10.2.1 By Country
      • 10.2.1.1 India
      • 10.2.1.2 China
      • 10.2.1.3 Japan
      • 10.2.1.4 South Korea
  • 10.3 Latin America - Market Analysis
    • 10.3.1 By Country
      • 10.3.1.1 Brazil
      • 10.3.1.2 Argentina
      • 10.3.1.3 Mexico
  • 10.4 North America - Market Analysis
    • 10.4.1 By Country
      • 10.4.1.1 USA
      • 10.4.1.2 Canada
  • 10.5 Middle East & Africa - Market Analysis
    • 10.5.1 By Country
      • 10.5.1.1 Middle East
      • 10.5.1.2 Africa
  • 10.6 Handheld Digital Multimeter Sales Market by Region

• 11 Global Economic Factors

  • 11.1 Inflation Impact
  • 11.2 Trade Policies

• 12 Technology & Innovation

  • 12.1 Emerging Technologies
  • 12.2 AI & Digital Trends
  • 12.3 Patent Research

• 13 Investment & Market Growth

  • 13.1 Funding Trends
  • 13.2 Future Market Projections

• 14 Market Overview & Key Insights

  • 14.1 Executive Summary
  • 14.2 Key Trends
  • 14.3 Market Challenges
  • 14.4 Regulatory Landscape

Segments Analyzed in the Report

The global Handheld Digital Multimeter Sales market is categorized based on

By Product Type

• Manual Range Multimeters
• Auto Range Multimeters
• Benchtop Multimeters
• Clamp Multimeters
• HVAC Multimeters

By Application

• Automotive
• Industrial
• Residential
• Commercial
• Educational

By Distribution Channel

• Online Retailers
• Specialty Stores
• Direct Sales
• Distributors
• Wholesalers

By Display Type

• Analog Display
• Digital Display
• Graphical Display
• Advanced Display
• Wireless Display

By Region

• North America
• Europe
• Asia Pacific
• Latin America
• Middle East & Africa

Key Players

• Fluke Corporation
• Keysight Technologies
• Tektronix
• Amprobe
• Extech Instruments
• Chauvin Arnoux
• Klein Tools
• Uni-T
• Mastech Group
• Agilent Technologies
• Sanwa Electric Instrument
• AEMC Instruments
• Gossen Metrawatt
• Triplett
• Metrel