STS Instruments, Inc. is a company based in Irvine, California that specializes in the design, manufacture, and distribution of test and measurement equipment for the electronics industry. The company was founded in 1953 and has since built a reputation as a leading provider of high-quality test and measurement equipment.

STS Instruments is currently specializing in Battery Element Testing and provides a range of services to support its customers, including product training, calibration, repair, and technical support. The company's team of experienced engineers and technicians are equipped to provide expert advice and assistance to help customers get the most out of their test and measurement equipment.

Overall, STS Instruments is a reputable provider of electronic test and measurement equipment and solutions in Irvine, California, and its commitment to quality and customer satisfaction has helped it to become a leading player in the industry.