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 143737-01 Cylinder Pressure I/O Module with External Terminals Introduction The Bently Nevada 3500/77M 143737-01 Cylinder Pressure I/O Module with external terminals is designed to monitor cylinder pressure in industrial reciprocating machinery like compressors, pumps, and engines. This module is part *Your Name: *Your Email: *Your Name: *Vdcode: Submit