SISGEO uses cookies helping us to improve the user experience. By continuing to browse the site, please check our Privacy and Cookies Policy here and click on the “Accept” button. Your continued use of this site indicates your accept to the use of these cookies.

foto assistance sisgeo1150 320

FAQ#018 - What kind of overvoltage protection is built in the vibrating wire piezometers?

A plasma surge arrestor is wired in parallel with the coil (which is used to pluck the wire). The nominal impulse discharge current 8-20 microsec interval is 10 KA. Impulse spark-over voltage at 1Kv/ microsec: 700 V.