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Process Sensing Technologies (PST)

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Crompton Fields,
Crompton Way,
Crawley,
West Sussex,
RH10 9EE,
United Kingdom

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Products

Compressed Gas Dew Point Meter - Easidew PDP Dryer Portable

Moisture spot checking at the pressurized outlet of a gas dryer is crucial for ensuring the quality of compressed gas. The Easidew PDP Dryer Portable hygrometer monitors and logs key parameters like dew point, pressure and temperature in real time. It is compliant with ISO 8573-1.

Air-quality compliance to ISO 8573-1 Class 1−4
Pressure dew-point monitoring to 20 barg
Multi-parameter datalogging/downloading
Touchscreen user-friendly interface
Dew-point and pressure dryer outlet graphing
Rugged construction for tough field conditions
Designed for high electrical noise environments
Integrated self-contained travel case
Easy to maintain
Battery life of two working days

Carbon Dioxide - CO2 Sensors

Our low power CO2 sensors have been used in hundreds of applications for well over a decade.

As engineers, we’ve amassed years of experience solving complex design challenges and developing unique solutions.

Hydrocarbon Gas Sensors

Methane, Propane and other Hydrocarbon Gas Sensors
Hydrocarbon type sensors specially characterised during manufacture to measure Propane (C3H8) gas over the range 0-2% volume.

Liquid Level Sensors

PST design, test and manufacture over 300,000 sensors a year.
We have the widest range of optical liquid level detection sensors available for any oil/ water-based liquid, reliably detecting the absence or presence of liquids in an application where status is critical.

Nitrous Oxide Sensors

Dynament offers a range of nitrous oxide infrared sensors that measure N2O gas over a range from 0-1% volume.

The sensors are designed with non-dispersive infrared technology and respond to nitrous oxide.

Optical Oxygen Sensors

PST offer a range of factory calibrated optical oxygen sensors which measure trace and ambient oxygen levels using luminescence-based optical technology.

The patented technology allows the range of sensors to produce low power operation, while offering a long lifetime.

Zirconia Oxygen Sensors

PST offer a range of zirconia oxygen sensors that use a unique closed loop measurement system.

The sensing technology and stainless-steel construction allow Zirconia oxygen sensors to be used in environments where extreme pressure, temperature and high humidity are present.

Replacement Oxygen Sensors

PST offer replacement electrochemical oxygen sensors for all major brands and models of fixed and portable oxygen analyzers in the demanding industrial environments.

Medical Oxygen Sensors

USA manufactured electrochemical galvanic oxygen sensors (O2 sensors) for use in ventilators, anaesthesia machines, incubators, oxygen monitors and breathing gas mixes.

Approved FDA, MDSAP, ISO13485, ISO9001 replacement oxygen sensors for respiratory medical devices with lifetimes up to 60 months. .

Diving Sensors

Oxygen Sensors, Analyzers and Accessories for Diving Products
PST are proud to be the preferred supplier of diving sensors to some of the most reputable rebreather manufacturers throughout the world.

Refrigerant Gas Sensors

Dynament offers a range of refrigerant non-dispersive infrared gas sensors that measure R32 and R454b gases over the LEL range for use in refrigeration service and maintenance.

Industrial Dew Point Transmitters Systems

Our range of dew-point sensors are easy to install and maintain. They measure dew point, moisture content and trace moisture in both gases and hydrocarbon liquids. Typical applications include monitoring compressed air dryers to maximize energy savings, protecting process equipment from moisture corrosion/contamination and monitoring controlled atmospheres in glove boxes. Available with a sensor exchange program to minimize maintenance time, they are reliable and cost-effective.

Relative Humidity Probes & Sensors

Relative humidity is measured in a variety of applications. Rotronic offers a range of probes and sensors in its portfolio to cover all industries and needs. From a simple plug-in humidity probe for handheld instruments and data loggers to the highly developed cable probes for humidity measurement in high temperature and other special applications, we can provide you with exactly the right sensor to suit your needs for humidity measurement. As standard, they all have high accuracy, which can be increased further by specific adjustments within our patented AirChip, making every probe in our range a high-end product for all applications.

Water Activity Measurment & Moisture Monitoring

The measurement of water activity or equilibrium relative humidity (ERH) is a key parameter in the quality control of moisture sensitive products or materials. If there is too much water in a product, there is a risk of microbial growth and water migration. This can lead to clumping, changes in consistency and reduced shelf-life. Manufacturers of foods and pharmaceutical products must, for example, show to the FDA that the water activity of a product has declined to such an extent that bacteria can no longer grow.

OEM Oxygen Analyzers

The PST group understands that oxygen sensors and analyzers are critical to the operation of many industrial processes for safety or product quality, but not always considered necessary by the end user. More and more original equipment manufacturers are partnering with oxygen transmitter companies to build in these essential components, guaranteeing safety or quality direct from their factories. With the range of oxygen sensing technologies available from PST, such as zirconium dioxide, thermo-paramagnetic, optical fluorescence quenching and galvanic electrochemical, we should have the right product to match your requirements. SenzTx transmitters are designed as plug and play additions with a variety of sampling options whilst the Microx & GPR-1900 analyzers have a sensor in the process and a panel mounted human machine interface (HMI).

Industrial Gas Chromatographs

The industrial gas chromatographs from LDetek ensure the quality of over 30 pure gases and UHP gases. They can be calibrated to detect over 50 different gases as trace impurities including permanent gases, sulphurs and noble gases as well as many others. Contact us if you have any special requirements for any background gas or impurity not listed. A comprehensive range of integration services are available . These include cabinet integration, equipment rental, gas piping and custom designs.

Gas Chromatography gives precise and accurate measurements of a target impurity in a background gas suitable for 8 nines quality. Based on plasma emission detection, flame ionisation detection and thermal conductivity sensing technologies, the range is suitable for both laboratory and industrial use.

CO2 Air Quality & Differential Pressure Measurement

Our Rotronic CO2 and differential pressure instruments complete the PST range of parameters important for environmental monitoring. Our CO2 transmitters are ideal for the demanding monitoring of indoor air. The instruments simultaneously measure temperature and air humidity and are typically installed in climate zones or ventilation ducts for ventilation control in order to continuously monitor indoor air quality. Our CO2 measuring instruments are also used to monitor air quality in underground car parks and tunnels, and perform valuable service in glasshouses, incubators and warehouses. For a complete cleanroom monitoring we complement our humidity and temperature instrumentation range with a selection of differential pressure transmitters and cleanroom monitoring displays.

Toxic, Oxygen & Flammable Gas Detectors

We can offer a wide range of flammable gas detection instruments for hazardous areas applications that measure hydrocarbon gases at the %LEL and %vol levels. Product options include explosion-proof and intrinsically-safe designs and the product offering includes technology options for both non-dispersive infrared and catalytic bead sensing methods.

Temperature Measurement Data Loggers

Temperature measurement and monitoring is vital for the quality of temperature-sensitive products wherever they are studied, produced, stored or transported. Choose from Rotronic’s range of temperature measuring solutions from data loggers to handhelds and customized real-time Monitoring Systems.

Refrigerant Gas Analysis

The Mentor Automotive Refrigerant Identifier portfolio provides simple and accurate refrigerant analysis. The Mentor is a user-friendly, cost effective R-1234yf and R-134a refrigerant purity analyzer designed with state-of-the-art non-dispersive infrared (NDIR) technology for the identification of refrigerant gases in automotive air-conditioning systems.

Real Time Monitoring

The PST real-time monitoring solutions (RMS) are designed to help customers ensure compliance within regulated applications. Monitoring anything from temperature, relative humidity and other environmental parameters that PST can offer. The PST RMS offers a range of installation possibilities with both public and exclusive SaaS solutions, On-Premise or directly with a server provided and monitored by PST. Our systems ensure data integrity and help comply to FDA 21 CFR Part 11 and EU Annex 11 requirements.

Isensix Monitoring Solution: Specialized in Hospital and Healthcare Temperature Monitoring Applications.

Rotronic Monitoring System: Environmental Monitoring for GxP Regulated Applications.

Calibration Services

Calibration of humidity, temperature and trace moisture measurement equipment is crucial to maintain confidence in the readings essential for monitoring your processes and ensuring safe and efficient operation of your business. Based on the unparalleled history of our leading humidity calibration equipment manufacturers Michell and Rotronic, self-governance and our technical capabilities with a full line of reference measurement instruments we provide the most comprehensive humidity, and dew-point calibration offering on the market today.

PST Engineering Services

When you buy a measurement instrument or a sensor from a PST brand we will offer you a complete solution. PST engineering services have been helping customers around the world to deliver the right product configuration for the most challenging applications. Our experienced engineers can help you with gas pipe design, analyzer cabinet design or will design the entire gas sampling and conditioning system for your measurement product. If you are an OEM customer we offer product customisation to exactly meet the required specification of your product.

Humidity, Dewpoint, Trace Gas or Oxygen Measurement Lifecycle Services

Whatever your industry, your location or your measurement product, our global network of service centres with over 50 skilled service engineers will help you locally. We are committed to support you with services that are based on our technical expertise to maintain the reliability, safety and performance of your process control and measurement equipment from one of our trusted brands.

GxP Validation & Mapping

The individuality of your GxP application may require a variety of function-specific settings and measurement systems. Benefit from our know-how and let our application engineers design the optimal measuring system for you. With our consulting services in GxP, we support you from project planning (URS) to implementation and testing of your system. This ensures an optimal and efficient design.

About us

Process Sensing Technologies, also known as PST, provides an extensive selection of sensors encompassing gas, oxygen and level measurements. Our offerings also encompass an array of measurement instruments, ranging from probes and transmitters to analysers. These instruments cater to a variety of parameters including humidity, moisture, oxygen levels and trace impurities.

When overseeing a process, the apparent risks that manifest on the surface provide only a fraction of the entire scenario. At Process Sensing Technologies, our expertise lies in crafting measurement instruments and solutions. These empower our clients to gain precise visibility into and vigilant monitoring of conditions that remain veiled from plain sight, yet carry concealed dangers.

Through our exclusive technologies for measuring humidity and gas concentrations, we possess the capability to detect even at the scale of parts per billion. This grants us unparalleled understanding of processes, empowering our customers to embark on innovative journeys and continuous advancement. Our array of products paves the way for enhanced safety measures for both individuals and processes, amplified energy efficiency and elevated product quality.

Our Principles;

Commitment to Expertise: Our profound knowledge enables us to tailor solutions to each unique application.
Reliable Authorities: We provide our customers with solutions of remarkable precision and quality.
Unceasing Innovation: Our pursuit of betterment is unending.
Trailblazing Attitude: We support industry innovators by embracing specialised domains.
Harmonious Collaboration: We value the potential of global teamwork and inclusivity.
Unwavering Integrity: Our actions mirror our words, staying true to our commitments.

PST unites reputable brands, each renowned for the precision, reliability and innovation inherent in their products. These brands share an unwavering commitment to exceptional customer service. Embarking on a developmental journey since 1965, and persisting to the present, our history is one of continuous innovation. As we gaze into the future, we eagerly anticipate achieving numerous more milestones. Brands include; Michell Instruments, Analytical Industries Inc, Rotronic AG, LDetek, Dynament, Status Scientific, Ntron Gas Measurement, SST Sensing Ltd and Isensix.

Products include;

Sensors - Carbon Dioxide Sensors, Hydrocarbons Sensors, Liquid Level Sensors, Methane Sensors, Nitrous Oxide Sensors, Oxygen Sensors, Optical Sensors, Zirconia Sensor, Medical Sensors, Diving Sensors, Propane Sensors and Refrigerant Gases.
Trace Moistire & Dew Point Measurment and Analysis - Dew-point Transmitters, Portable Hydrometers, Chilled Mirror Hygrometers, Humidity & Temperature Calibration Systems, Process Moisture Analysers, Hydrocarbon Dew Point Analysers and Moisture in liquid analyzers.
Humiditry Measurement & Monitoring Relative Humidity - Probes & Sensors, Transmitters, Data Loggers, Handheld Instruments, Measuring Probes & Instruments for Meteorology and Humidity & Temperature Calibration Systems.
Water Activity Measurment - Moisture meters & Monitoring Systems.
Oxygen Measurement Analysers, Transmitters & Sensors - OEM Oxygen Analysers, Oxygen Transmitters, Hazardous Area & SIL Capable Oxygen Analysers, Oxygen Analyzers, Trace & Purity Oxygen Analysers, Portable Analysers, Oxygen Analysers for Diving & Medical and Combustion Control Oxygen Analysers.
Trace Impurity Measurements - Gas Chromatographs, Online Impurities Analysers and Plasma Emission Detectors.
CO2 Air Quality & Differential Pressure Measurement.
H2, Binary, Toxic & Flammable Gases - Analysers, Detectors & Control Panels.
Temperature - Loggers & Handheld Instruments for Temperature Measurement & Monitoring.
Refrigerant Gas Identifiers.
Real Time Monitoring Solutions - Flexible and Configurable Environmental Monitoring.