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Same Great Temperature Controllers, Now With AutoTune for Automatic PID Calculation. Forget PID parameter tweaking, because all Arroyo Instruments temperature controllers now come standard with AutoTune. Already have an Arroyo controller? No problem, you can
upgrade for free!

Commitment to Excellence
We are passionate about our product, and know that once you try one of our instruments, you'll never go back. Our instruments are so easy to use that you will have them up and running on your bench in no time at all. If you have any questions about how our instrument works or if it will meet your requirements, you will find complete user's manuals on our web site that fully detail the capabilities and specifications. You can also call or email us any time and we would be happy to help you.

Our products represent the culmination of 21 years of development excellence in products for precision test and measurement. By incorporating industry standard features with important improvements in instrument design, the Arroyo Instruments series of products are the most advanced in the market today.

News

Arroyo Control

We pleased to release Arroyo Control, our free software to control your instrument from the PC. See more details here...