Pressure & Industrial temperature measurement specialists

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Welcome to Process Parameters Ltd

Process Parameters Ltd is a UK based manufacturer of Industrial Temperature Sensors including Thermocouples, Platinum Resistance Thermometers (also known as RTDs and Pt100) and Thermistor sensors. We have a wealth of experience and manufacture all of our products to suit our customers designs.

Process Parameters are also proud to represent for Optris as an official distributor in the UK and Ireland. Optris has been developing and manufacturing innovative infrared measurement devices for non-contact temperature measurement, including Handheld Thermometers, fixed position Industrial Infrared Pyrometers and Infrared Thermal Imaging Cameras for point and area measurement, for more than 15 years.

Also representing Nokeval, we supply an extensive range of instrumentation including the Ova Wireless Environmental Monitoring System which provides a cloud based system to record and monitor data from a range or wired and wireless sensors with unrivalled transmission ranges of up to 10km. Alongside this Nokeval manufacture a range of transmitter, signal conditioning and panel instrumentation which we are also pleased to offer.

A new addition to our capabilities is the Lascar range of USB and WiFi Data Loggers. With the ability to measure Temperature, Humidity, Carbon Monoxide, Voltage, Current and other parameters they really are a market leader in this field. The ease of use and free software makes life extremely simple. Contact us for details.

In addition, Process Parameters offer an extensive range of components to compliment the products mentioned above. This includes Thermocouple Connectors, Thermocouple Cables, RTD Cables, Adjustable Compression Fittings, Thermowells / Pockets and Temperature Transmitters to name but a few.

We are dedicated to our customers’ needs and aim to provide products of excellent value for money, quality backed by the highest levels of service and technical support. More importantly, our team are always here to discuss your application and are happy to help you with any product selection or improvement.

Latest Products


Optris Hand Held Pyrometers available for temperature applications

Optris MSPlus Handheld Infrared Thermometer


Pt100 Temperature Sensors

RTD for Ambient Air – PPL10-P


Pt100 Temperature Sensors

PRT Air Temperature Sensor – PPL9-P


Industrial Thermal Imaging Cameras

Optris Xi 400 Compact Thermal Imaging Camera


Optris Hand Held Pyrometers available for temperature applications

Optris MSPro Handheld Infrared Thermometer


Industrial Process Indicators

Nokeval PME600 and PME610 Panel Meter