Calex Electronics Limited

Who we are

Calex Electronics Ltd is a leading manufacturer and worldwide supplier of innovative infrared temperature sensors, instrumentation and power converters.

Our high-quality, low-cost sensors provide accurate measurements of surface temperature with an extremely fast response time. They are ideal for a wide range of industrial processes and condition monitoring applications, among many others. A wide variety of output signals and interfaces is available.

Research and development at Calex is focused on new technologies in non-contact temperature measurement. Design and manufacturing is carried out at our facility in Leighton Buzzard, UK.  

Our product range includes infrared pyrometers, temperature indicators, PID controllers, blackbody calibrators and industrial panel PCs. 

Contact us and our experienced engineers and technical resellers will help you choose the most suitable sensor for your application.

Our values

Customer Focus
There are many factors to consider when specifying a temperature sensor, and a wide range of products to choose from. Our engineers and technical resellers are at hand to discuss your practical and logistical needs, and help make sure you receive the right sensor for your application, as quickly as you need it.

Complete Product Range
There is something in our range of temperature sensors for almost any application, whatever your target object, temperature range, ambient conditions or output requirements. We can provide sensors in all quantities, whether you need to measure temperatures at one point or thousands. 

Perfect Support
If you have a technical question about our products, you can contact us and talk directly to an engineer who knows the answer. We will help you get the best performance from our sensors in your application.

Quality and Reliability 
At our factory in Leighton Buzzard, UK, we continually research improvements to our products and processes, and work closely with our suppliers to ensure our products are built to last and of the very best quality. Our quality management system is certified by TUV to  ISO9001.

Accuracy and Precision
Every sensor we manufacture is calibrated in our state-of-the-art calibration laboratory. Our products are designed and tested to provide stable, repeatable readings. 

OEM Capability
If none of our standard products is suitable, let us know. Depending on your requirements, Calex can provide anything from a minor modification of an existing sensor, to a completely new design to suit your needs. Get in touch to find out more.