Sper Scientific is a trusted manufacturer and supplier of professional measurement and monitoring instruments for laboratory, industrial, environmental and educational applications worldwide.

With more than four decades of experience, the company provides reliable, cost-effective instruments that help scientists, engineers, educators and quality control professionals obtain accurate, consistent results. Our broad product selection includes: air and water quality meters, environmental monitoring instruments, laboratory equipment, thermometers, light meters, sound meters, refractometers, materials testing and other specialized measurement tools.

Sper Scientific products combine dependable performance with practical features and user-friendly operation for both field and laboratory use. Many instruments are also available with NIST-traceable calibration certification to support quality assurance and regulatory requirements. Knowledgeable technical support, competitive pricing and industry-leading warranties provide added confidence before and after every purchase.

3nh Technologies is a global manufacturer of professional color and surface measurement instruments for industrial, laboratory and quality control applications. Its extensive product range includes gloss meters, colorimeters, spectrophotometers and haze meters designed to deliver accurate, repeatable results across demanding environments. These instruments help manufacturers evaluate color consistency, gloss, transparency, opacity and other critical appearance characteristics throughout production and inspection processes.

3nh solutions are widely used in coatings, plastics, printing, packaging, textiles, pharmaceuticals, automotive manufacturing and other industries where precise color and surface control are essential. Combining advanced optical technology with intuitive operation and durable construction, 3nh instruments support efficient testing in both laboratory and production settings. Compatibility with recognized international standards also helps quality professionals maintain consistent specifications, reduce material variation and verify that finished products meet customer and regulatory requirements.

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BRK is a professional nondestructive testing (NDT) brand specializing in advanced inspection instruments for industrial, scientific and quality control applications.

Its product range includes ultrasonic flaw detectors, ultrasonic thickness gauges, coating thickness gauges, eddy current testing instruments, probes and related accessories. Supported by strong in-house research, development and manufacturing capabilities, BRK equipment combines dependable measurement performance with practical features designed for demanding field and production environments. These instruments help inspectors detect internal flaws, measure material and coating thickness, evaluate component integrity and verify manufacturing quality without damaging the tested object.

BRK solutions are used worldwide in manufacturing, metal fabrication, aerospace, automotive, energy, infrastructure inspection and research. Durable construction and user-focused operation make BRK instruments reliable tools for routine inspections, preventive maintenance and specialized NDT applications.

Headquartered in Trenton, New Jersey, Crest Ultrasonics is a leading manufacturer of professional ultrasonic cleaning equipment for laboratory, medical, industrial and manufacturing applications.

As part of the Crest Group - the largest privately held manufacturer in the ultrasonics industry, Crest Ultrasonics combines decades of technical expertise with a long history of innovation. Its product range includes benchtop ultrasonic cleaners, heated cleaning systems, high-capacity tanks, generators, transducers and custom-engineered solutions for demanding cleaning processes. Crest equipment uses high-frequency sound waves to remove dirt, oils, residues and contaminants from intricate components and hard-to-reach surfaces.

With operations spanning 15 countries across North America, Europe, the Middle East and Asia, The Crest Group supports customers worldwide with advanced ultrasonic cleaning, thermoplastic welding and joining technologies.

Crest Ultrasonic products are proudly made in the USA.

Davis Instruments delivers professional weather monitoring solutions trusted by meteorologists, agricultural professionals, educators, researchers and serious home weather enthusiasts worldwide.

Known for long-term reliability and exceptional measurement accuracy, Davis weather stations are built to perform in demanding outdoor environments while providing precise, real-time meteorological data. Available systems monitor temperature, humidity, barometric pressure, rainfall, wind speed, wind direction and other essential weather conditions. Flexible wireless connectivity and data logging capabilities make it easy to track changing conditions, analyze historical trends and access information remotely. Davis weather instruments support applications ranging from agriculture and environmental research to schools, facilities and residential monitoring.

Each product is designed, assembled and rigorously tested in the USA at the company’s headquarters in Hayward, California, helping ensure dependable operation and lasting performance.

Oxford Lab Products, based in San Diego, California, offers a comprehensive selection of reliable benchtop instruments and laboratory supplies designed for modern research, testing and quality control applications.

Combining durable construction with ergonomic features and intuitive digital controls, Oxford Lab Products equipment helps laboratories work more efficiently while maintaining the precision and consistency required for dependable results. From routine sample preparation and measurement to specialized testing procedures, these instruments are built to support accurate workflows and reliable day-to-day performance.

With user-friendly designs and practical features, Oxford Lab Products provides laboratories, educational facilities and industrial testing environments with dependable equipment that simplifies operation, improves productivity and supports consistent results.

Founded in 1962, Pyromation is a leading North American manufacturer of thermocouples, RTDs, PT100 sensors, thermowells and temperature measurement assemblies.

The company offers an extensive selection of standard products as well as custom-engineered designs for demanding equipment and process applications. Pyromation temperature sensors are used throughout the chemical, petrochemical, power generation, food and beverage, dairy, plastics, heat-treating, oil and gas, pharmaceutical, aerospace, biomass, metal processing, rubber, mining, HVAC, water and wastewater industries.

Built for accurate, dependable performance, these products help facilities monitor temperatures, maintain process control and protect critical equipment across a wide range of operating environments. Pyromation combines decades of temperature measurement expertise with responsive engineering and manufacturing capabilities. 

Pyromation temperature sensors and assemblies are proudly made in the USA.

Sanwa Electric Instrument Co., Ltd. (Sanwa) is a highly respected Japanese manufacturer of precision electrical measuring instruments used by technicians, engineers and educators worldwide.

Best known for its professional digital and analog multimeters, Sanwa also manufactures clamp meters, insulation testers, light meters and tachometers and a wide range of test leads and accessories. Its instruments combine accurate measurement performance with durable construction, clear displays and practical controls designed for efficient troubleshooting and diagnostics. Sanwa products are widely used in electronics, electrical maintenance, industrial service, equipment repair and technical training environments where reliable readings are essential.

With decades of specialized engineering experience, the company has built a strong international reputation for quality, safety and long-term dependability. Sanwa provides electrical and electronics professionals with dependable tools for routine testing, maintenance and advanced electrical measurement applications.

Founded in 1983, Sentry Air Systems designs and manufactures professional air purification systems that capture harmful fumes, smoke, dust and airborne particulates directly at the source.

Its compact, durable air cleaners help protect operator breathing zones, reduce exposure to hazardous contaminants and improve overall workplace air quality. Available solutions include portable fume extractors, benchtop filtration systems, ductless fume hoods, welding fume extractors and specialized units for chemical vapors, powders and fine particles. Sentry Air Systems products are widely used in laboratories, research facilities, manufacturing plants, schools, medical environments and cleanroom operations where effective filtration and operator safety are critical. Flexible configurations and application-specific filtration options allow each system to address particular airborne hazards while supporting cleaner, safer and more productive work environments.

Sentry Air operates from its 44,000-square-foot headquarters and manufacturing facility in northwest Houston, Texas, and their products are proudly made in the USA.

Sekonic Corporation delivers precision light measurement instruments trusted worldwide. Beyond photography and cinematography, Sekonic’s industrial light meters, illuminometers and color meters are widely used for manufacturing, facility audits, workplace safety and quality control. Founded in Japan in 1951, Sekonic has built a reputation for accuracy, durability and innovation. Today, Sekonic Industrial solutions provide reliable lux and color measurements that support compliance, consistency and performance in professional environments.

Tongdy is a global leader in indoor air quality monitoring and control solutions for commercial, institutional, residential and industrial environments.

The company brings more than 16 years of specialized experience to the development of accurate, reliable instruments for measuring and managing indoor environmental conditions. Their extensive product portfolio includes air quality monitors, carbon dioxide transmitters, particle sensors, ozone monitors and intelligent control systems designed for building automation and ventilation management. With it's wide product lineup and installations in more than 38 countries, Tongdy supports healthier, safer and more energy-efficient buildings around the world. Its products combine precise sensing technology, dependable performance and flexible integration capabilities to help facility managers, engineers and building professionals monitor air quality, optimize ventilation and support sustainable indoor environments.

UNI-T offers professional handheld and benchtop test instruments engineered to deliver accurate, dependable measurements across electrical, electronic, mechanical, building and industrial applications.

Thier extensive product range includes digital multimeters, clamp meters, oscilloscopes, spectrum analyzers, signal generators, programmable power supplies, power analyzers and thermal imaging cameras. Founded in 1988, UNI-T has grown into one of the world’s leading test and measurement manufacturers, serving engineers, technicians, educators and industrial professionals in more than 100 countries.

The company combines continuous innovation, reliable quality and user-focused design to make advanced measurement technology more accessible. From routine electrical troubleshooting and equipment maintenance to electronics development, automated testing and precision laboratory analysis, UNI-T instruments provide the performance, features and exceptional value required by today’s technical professionals.