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 3500/42M 176449-02+128229-01 Proximitor Seismic Monitor Introduction The Bently Nevada 3500/42M 176449-02+128229-01 Proximitor Seismic Monitor is a precision monitoring module developed for high-integrity machinery protection systems. Configured to operate within the 3500 Series framework, this *Your Name: *Your Email: *Your Name: *Vdcode: Submit