Reliable & Sustainable Marine Thermometers, Hydrometers, & Pressure Gauges.

Our range of marine thermometers and instrumentation for the shipping Industry is diverse and of the highest quality. Brannan has established a solid network of distributors situated in all the major shipping nations of the world, and our brand is synonymous with quality in this sector, particularly in our range of Diesel Engine Exhaust Gas Thermometers. These read up to 650C and are supplied with an assortment of fixed or flexible capillary lengths to suit different engine requirements.

Our British made V-Line thermometers are widely used in this sector, and we offer both plastic or aluminium as case options. Our v-line thermometers are uniquely robust to withstand even the harshest engine environment. Our in-house production capabilities allows us to offer flexible branding options to our customers. Finally, the offer is complemented by our Draft Survey Hydrometer range which are commonly used for ship draft survey calculations.

Trusted for over 100 years.


Over the years, we have been involved in many many distinctive and challenging projects for our customers. Brannan is dedicated to providing customers with world class measuring instrumentation. that deliver the very best results.

22 Bishopsgate

A commercial skyscraper project in London, UK. It occupies a prominent site in Bishopsgate, in the City of London financial district, and is set to stand 278 m (912 ft) tall with 62 storeys.

Brannan was proud to supply pressure and temperature instrumentation for this project.

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Changi Airport

Changi Airport is one of the largest transportation hubs in Southeast Asia.

Extreme humidity levels had to be considered when sourcing instruments for this project, and Brannan’s high quality stainless steel range of thermometers and pressure gauges were selected and installed on this demanding build.

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Principal Place

Principal Place is a 600,000 sq ft storey office building offering Grade A space with typical floors of c. 45,000 sq ft and nearly an acre of roof terraces in the heart of London.

The client requested a robust low maintenance product at a competitive price. Brannan instruments can be found throughout the Principal Place build.

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Meydan Racecourse

Brannan Thermometer’s robust and reliable range of HVAC instruments were chosen for the prestigious Meydan Racecourse, Dubai, United Arab Emirates.

The $1.25bn development demanded quality excellence and as a leading brand across the industry, Brannan was the obvious choice for the project.

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Calibration Services

Need Your Instrumentation Calibrated to UKAS or National Standards?

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At Brannan, we pride ourselves in ensuring we deliver a high quality service to our customers.

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