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 3500/77M 143729-01 Cylinder Pressure I/O Module Introduction The Bently Nevada 3500/77M 143729-01 Cylinder Pressure I/O Module is designed for monitoring cylinder pressure in industrial machinery like compressors, pumps, and gas turbines. Part of the Bently Nevada 3500 Series, this modul *Your Name: *Your Email: *Your Name: *Vdcode: Submit