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 3500/42-01-00 176449-02+128229-01 Proximitor Seismic Monitor Four-Channel Machinery Protection Monitor for Proximity and Seismic Transducers The Bently Nevada 3500/42-01-00 Proximitor/Seismic Monitor is a four-channel monitoring module in the 3500 Machinery Protection System . It accepts inputs from *Your Name: *Your Email: *Your Name: *Vdcode: Submit