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 138708-01 Monitor Module Introduction The Bently Nevada 3500/42 (138708-01) is a compact, high-precision vibration monitoring module designed for the 3500 Series machinery protection system. Written from an engineers practical perspective, this module emphasizes re *Your Name: *Your Email: *Your Name: *Vdcode: Submit