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. Yokogawa SAV144-S33 Analog Input Module Introduction The Yokogawa SAV144-S33 Analog Input Module is a high-reliability 16-channel voltage input module designed for ProSafe-RS safety instrumented systems (SIS) and CENTUM VP distributed control architectures . It is engineered to a *Your Name: *Your Email: *Your Name: *Vdcode: Submit