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英國 Delta-T Devices 
英國DELTA-T公司位于英國劍橋，建立于 1971 年，是環境科學儀器的專業生產廠家，尤其專業于耕種學、植物生理學、生態生理學、數據記錄、氣象學、土壤水份、各種輻射研究及環境監控等領域。其產品遠銷全世界，是世界上最早和最全研發生理生態儀器的廠家。
在生理和生態研究領域，提供了多種高精度研究設備可供用戶選擇，特別如ML2x土壤水分儀、WET土壤三參數測量儀、SUNSCAN冠層儀、DT-SCAN圖像和根系分析儀、SF植物莖流計、AP4動態氣孔計和WS01高精度自動氣象站等儀器在中國擁有廣泛的用戶。

Origins
Established in 1971, Delta-T 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 is a co-operative company, owned and managed by the members who work within it. Co-operative working creates an 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.

For 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's instruments measure and record basic 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.
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.
Support
Delta-T 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 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's business and we pride ourselves on the high standard of support given to our overseas customers.
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."