PST Brands

PST brings together well-established brands, each of which are trusted for the precision and reliability of their products, strong innovation and singular focus on customer service. With a history of development and innovation starting in 1965 and continuing to the present day, we look forward to many more milestones to come.

Michell Instruments

Headquartered in Ely, United Kingdom Michell Instruments is a worldwide leader in the field of moisture and humidity measurement solutions. With over 40 years’ experience, Michell designs and manufactures a wide range of transmitters, instruments and system solutions capable of measuring dew-point, humidity and oxygen in a vast range of applications and industries ranging from compressed air, power generation, process, oil and gas, pharmaceutical and many more.

Analytical Industries Inc

Headquartered in Pomona, California, designs and manufactures innovative solutions for gas analysis, including advanced oxygen sensors and oxygen analyzer platforms. Analytical Instruments Inc. is a leading worldwide supplier of oxygen sensors, PPM and percent oxygen sensors, PPB, PPM and percent oxygen analyzers to the industrial process control, natural gas, medical and professional sports diving industries.

Rotronic AG

Rotronic is an industry leading, Swiss manufacturer of measurement devices for relative humidity, temperature, water activity, CO2 and differential pressure for use in any application where superior measurement accuracy, stability, and reliability are essential. For more than 55 years, the world’s leading companies have been relying on the precision and quality of Rotronic products as well as on their innovative solutions such as RMS, a modular, real-time environmental monitoring system that enables regulated pharmaceutical customers to meet specific FDA/EU regulations and also supports customers within industrial applications to maintain optimal product quality.


LDetek designs and manufactures gas chromatography solutions, including highly sensitive detectors; high-performance, patented, stand-alone gas chromatographic systems; compact online analyzers; and accessories for applications in industrial gas, semiconductor, environmental, energy, and food and beverage end markets. LDetek was founded in 2009 and operates from its headquarters in Thetford Mines, Quebec, Canada.


Dynament has a significant global customer base and is a high-profile provider of miniature, infrared gas sensors to large original-equipment manufacturers (OEMs) across the global gas-detection and monitoring industry. The company’s products enable highly sensitive detection and measurement of toxic and combustible gases such as carbon dioxide, methane, propane and nitrous oxide for customers in industrial markets, including oil and gas, chemical, and environmental monitoring.

Status Scientific

Status Scientific Controls manufactures fixed-gas detection instruments, refrigerant identifiers and analyzers, and a comprehensive range of control panels. With over 30 years’ experience, Status Scientific products use the very latest gas detection technology for both hazardous and non-hazardous area applications throughout the world in industries such as oil, gas, petrochemicals, automotive, water, electricity, civil engineering, tunneling, telecommunications, and shipping.

Ntron Gas Measurement

Founded in 1987, NTRON has a significant global customer base and is a high-profile provider of sensors and analyzers for oxygen measurement and gas analysis. Customers include large original-equipment manufacturers (OEMs) as well as end-customers across the additive manufacturing, pharmaceutical, and high-purity gas industries. NTRON’s products help improve product quality, protect the health and safety of operating personnel and their production environments, as well as preserve capital equipment and investments by optimizing operating efficiencies.

SST Sensing Limited

SST Sensing Limited is a global provider of oxygen-measurement and liquid-level sensors. Based in Coatbridge, Scotland, the company has been designing fluid and gas-sensing solutions for more than 15 years and strives to deliver products that exactly meet customers’ technical and commercial sensor requirements. These products include standard sensors as well as bespoke solutions, all designed by highly experienced and qualified engineers.


Founded in 2001, Milwaukee based Isensix has been a pioneer and gained a significant footprint in the North American market for wireless remote monitoring equipment, mainly focusing on temperature. Their measurement solutions are specifically designed for hospitals as well as other healthcare facilities such as pharmacies, laboratories or blood banks.

SensoScientific, Inc.

SensoScientific was founded in 2005 and is a thought leader in the environmental monitoring industry. Since their inception, they have been at the forefront of innovation with Internet-of-Things (IoT) technology and the development of wireless environmental monitoring systems that can be scaled enterprise-wide. As an industry leader, SensoScientific also focuses on providing superior systems, products, services, calibration, and 24/7 technical support to ensure that clients meet regulatory standards, improve operational efficiencies, and make meeting compliance easier than ever.


Sensore was founded in 2010 in Klosterneuburg, Austria, and has since been perfecting the performance of its Zirconia oxygen sensors while establishing a strong reputation for quality, accuracy, and reliability. Sensore expands PST's capabilities in the design and manufacture of high-performance oxygen sensors.


Fluid Components International (FCI) was founded in 1964 and is headquartered in San Marcos, California. The company designs and manufactures thermal mass flow meters, flow and level switches for industrial process measurement applications utilizing patented thermal dispersion flow measurement technologies. FCI products deliver accuracy and reliability to the world's most demanding processes and industries including chemical, oil and gas, power and energy, water and wastewater, pharmaceutical, pulp and paper, nuclear power, aerospace, and many more.