If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. Bently Nevada 3500/40M 135489-04 Proximitor Monitor Introduction The Bently Nevada 3500/40M 135489-04 Proximitor Monitor is an industrial module designed to provide precise monitoring of rotating machinery. By converting signals from proximity probes into reliable vibration and displacement *Your Name: *Your Email: *Your Name: *Vdcode: Submit