800-748-6285 | sales@testco-inc.com



Renowned for their expertise in the field of precision measurement in high-current applications, Isabellenhütte has been a leading global provider of advanced measuring systems for many years. Marketed under the ISAscale® brand, their precision measuring systems offer exceptionally high performance. Testco’s commitment to achieving the ultimate in precision is combined with ease of use and a high degree of variability.