Established in 1971, Cambridge based Delta-T Devices specialises in instruments for environmental science, in particular: agronomy, plant physiology, eco-physiology, data logging, meteorology, soil moisture, solar energy studies and environmental monitoring.

Delta-T Devices is a co-operative company, owned and managed by the members who work within it. Co-operative working creates a highly professional environment in which we all participate in the challenges of the business and benefit from its success. We share a high level of commitment to the company and to our customers.

mcl-04-02-2014-13-26-47For further information about the principles that underpin co-operative enterprises please visit the web site of the International Co-operative Alliance.

High Quality Products

Delta-T Devices instruments measure and record fundamental variables needed by scientists and engineers. Our policy is to continually improve and extend the capabilities of those instruments, using the most up to date theory and technologies.

Our experienced development team achieves a high rate of design innovation. Some projects are completely in-house, but others take the form of collaborative projects with leading institutions in many countries.

ISO 9001 Certified

Delta-T Devices is proud to have achieved ISO 9001 certification. Awarded to Delta-T Devices in August 2011, ISO 9001 is an international standard in use worldwide as a benchmark for quality. The award follows a thorough assessment of our quality management systems by the highly respected British Standards Institution (BSI).

View our ISO 9001 Certificate


Delta-T Devices has retained thousands of loyal customers all over the world who value the reliability, performance and long-term service that we provide. Their feed-back is incorporated into many product designs to create a process of continuous improvement.

Overseas Representation

Delta-T Devices has an international network of representatives who can provide local sales and service in most countries. Export sales account for more than 75% of Delta-T Devices’s business and we pride ourselves on the high standard of support given to our overseas customers.

Complete Systems

Our capabilities go beyond straight-forward instrument sales – we can also supply whole systems, including computers if required. Typical examples are automatic weather stations and logging systems for multi-point soil moisture measurement.

Policy Statement

We have adopted the following statement to explain our sales policy: “We aim to manufacture and sell instruments for use in work beneficial to the environment and directly related to human and animal welfare. As a matter of conscience, we reserve the right not to sell our instruments to people or institutions involved in military work, tobacco research, environmentally destructive practices and factory farming.”

Legal and Financial

Trading name: Delta-T Devices Ltd
Registration number: 22804R
Country of Registration:  England
Registered Office:  130 Low Road, Burwell, Cambridge, CB25 0EJ, UK
VAT Number: GB 368361332

Delta-T Devices Ltd is a workers’ co-operative, registered with limited liability under the Industrial and Provident Societies Acts (IPSA). Please note that societies registered under the IPSA are administered by the Financial Conduct Authority (FCA) and not by Companies House. Delta-T Devices Mutuals Public Register Number is 22804R. On the FCA web site, Delta-T Devices is included in the Mutuals Register. For further information about the FCA Mutuals Public Register please see .

Financial Conduct Authority
25 The North Colonnade
Canary Wharf
London E14 5HS

Telephone:  (+44) 20 7066 1000