TRIO Test & Measurement represents some of the best the world has to offer in test equipment and instrumentation.

Agilent TechnologiesAgilent Technologies

The world’s premier measurement company, manufacturing a full range of Test & Measurement equipment from Nano Measurement systems to handheld Multi Meters.

AnapicoAnapico of Switzerland

Anapico manufactures microwave & RF signal generators and analyzers, programmable synthesizer modules, and dedicated phase noise test systems for ATE, lab or field use.

Array Electronic Co.Array Electronic Co.

Array Electronic Co., a Taiwanese Company founded in 1998 specialising in the R&D and manufacture of DC electronic loads and power supplies.

Associated Power TechnologiesAssociated Power Technologies

Associated Power Technologies, Inc. (APT) provides AC power sources for a variety of test & measurement, avionics, manufacturing, and military applications.

Associated ResearchAssociated Research Inc.

Since 1936 Associated Research has been providing test & measurement solutions for the electrical safety compliance industry. Our commitment to quality, innovation, and customer service has helped shaped the industry.

ATTEN ElectronicsATTEN Electronics Co.

ATTEN Electronics Co. Manufactures RF & Microwave Instruments: Spectrum Analyzers, Oscilloscopes, Frequency Counters, Attenuators, Coaxial load converters, Function Signal Generators, Power Dividers, Couplers, Detectors and Regulated DC Power Supplies

Berkeley  NucleonicsBerkeley Nucleonics Corp.

Berkeley Nucleonics Corporation (BNC), a instrumentation manufacturer founded in 1963, manufactures industry-leading lines of precision test, measurement and nuclear instrumentation.

Center TechnologyCenter Technology Corp.

Center Technology Corporation are focused on industrial testing meters and environmental monitoring instruments. These include digital multimeter, clamp meters, insulation testers, thermocouple/infrared/RTD thermometers, sound level meters, light meters, and gas leakage detectors.


Cleverscope has been designing and manufacturing test equipment since 2004 and make PC hosted, USB/Ethernet connected test equipment.

Delta ElectronikaDelta Electronika

Delta Elektronika manufactures power supplies and power units which today are an integral component in equipment found all over the world.

Extech InstrumentsExtech Instruments

Extech Instruments Division is a manufacturer and supplier of 15 major product categories of technically advanced, portable meters including multimeters, clamp meters, electrical testers, and environmental meters for the measurement of light, sound, temperature, humidity, airflow, RPMs, and water quality.

FLC ElectronicsFLC Electronics

FLC Electronics, established 1993 in Sweden, designs and produces a wide range of high voltage amplifiers and multichannel arbitrary waveform generators.

Flir SystemsFlir Systems

FLIR was founded in 1978, originally providing infrared imaging systems that were installed on vehicles for use in conducting energy audits. We later expanded our focus to other applications and markets for thermal imaging technology.

General DynamicsGeneral Dynamics

General Dynamics SATCOM Technologies is a leading supplier of satellite and wireless communications products and services for video, voice and data worldwide.

Graphtec CorporationGraphtec Corporation

Graphtec Corporation manufacture data logging, charting and recording instruments.


Herzan’s mission is to provide high performance environmental solutions to the precision research market and manufacture active vibration control tables and acoustic, vibration and EMI isolation systems.

Ideal IndustriesIDEAL Industries

IDEAL Industries are a manufacturer of tools and supplies for professional electrical and data communications cable installation and maintenance.


Kyoritsu manufactures a range of test and measurement instruments including multimeters, voltage testers, clamp meters, insulation/ continuity Testers, earth testers, LOOP/PFC/PSC testers, RCD testers and power quality analysers.


LINEEYE CO., LTD. manufactures interface converters and compact high-performance Portable Communication Analyzers that are capable of on-line monitoring and simulation.

Megger Megger

Megger designs and manufactures portable electric test equipment. Megger products help you install, improve efficiency, reduce cost and extend the life of your or your customers’ electrical assets.

Microtest Corporation Microtest Corporation

Microtest Corporation manufactures high precision, automatic testing and measuring instruments including high performance LCR and impedance analysers, transformer testers and cable harness testers.

Picosecond Pulse LabsPicosecond Pulse Labs

Picosecond Pulse Labs designs and manufactures instruments, modules, and components for test & measurement applications. Picosecond’s core competence is the precision generation and measurement high-speed signals.

Picotest Corp Picotest

Picotest specialises in the manufacture of high-tech precision electronic instruments and test equipment.

Pintek Electronics Pintek Electronics Co

Pintek Electronics manufacture a large range of electronic test equipment and accessories including low cost power supplies and function generators and a full range of oscilloscope differential and high voltage probes.

Prova Prova

Prova manufacture clamp meters, clamp-on ground resistance testers, power and harmonics Analysers, flexible current meters and the latest instrument aimed at the Solar industry the Prova Solar Module Analyser.

Quartzlock Quartzlock

For more than 5 decades Quartzlock have been specialising in measurement science, and building off-air (LF and GPS) and atomic (rubidium and hydrogen) frequency referencing standards and calibration equipment.

Radiodetection Radiodetection

Radiodetection manufacture Cable Avoidance Tools which prevent accidental damage to underground services when excavating. Trenchless products enable pipe-laying companies to direct the drill and so speed installation of utilities. Radiodetection’s cable test products quickly locate problems such as breaks or deteriorating insulation.


TRIO designs and manufactures the SafeTcheck Portable Appliance Testers (PAT) to meet Electrical Safety Compliance.  The SafeTcheck PATs are easy to use, hand held, battery operated; providing on-board Data Logging and Management Software and Test Tag Printers.

Sapphire Instruments Sapphire Instruments

Sapphire Instruments developed the world’s first handheld active differential probe and manufactures a series of professional quality active differential probes.

Satimo Satimo

SATIMO is an industry leader in electromagnetic field measurements in the microwave frequency range. It is part of the Microwave Vision Group (MVG), which was created together with ORBIT/FR and AEMI in 2008.

Siglent Technologies Siglent Technologies

Siglent is a national high-tech company, concentrates on R&D, sales and production of digital oscilloscope, isolated handheld oscilloscope, function/arbitrary waveform generator, DC power supply and spectrum analyser and other general test instruments. Siglent is the biggest DSO manufacturer by shipments in China.

Slaughter Company Slaughter Company

Slaughter Company offer a full line of Multi-Function Electrical Safety Testers, Hipot Testers, Insulation Resistance Testers and Ground Bond Testers.

Spectrum Instrumentation Spectrum Instrumentation

Since 1989, Spectrum has led the way in the manufacture of high-speed and high-resolution PC instruments for Ethernet/LXI, PCI, PCI-X, PCI Express, PXI and CompactPCI (CPCI) busses.

Tabor Electronics Tabor Electronics

Tabor Electonics’ extensive product portfolio includes signal amplifiers, pulse, function and arbitrary waveform generators, waveform creation software and more, in various platforms, interfaces and frequency ranges.


TEGAM is internationally recognized for its offering of RF power sensor calibration systems, RF attenuation measurement systems, resistance standards, ratio standards, and ohm meters. In addition, the company’s supplies LCR meters/impedance bridges, arbitrary waveform generators, high-voltage amplifiers, MEMS engine driver systems, handheld thermometers, humidity meters, and other test and measurement solutions.

Total Phase Inc. Total Phase Inc.

Total Phase is a leading provider of embedded systems development tools for engineers all over the world. Total Phase’s mission is to create powerful, high-quality, and affordable solutions for the embedded engineer.

Waveline Inc. Waveline Inc.

Waveline manufactures Waveguide and Solid State Pin Diode components to the highest quality standards.

zeroplus_logoZEROPLUS Technology Co, Ltd.

ZEROPLUS manufactures and develops PC Based Logic and Protocol Analysers