Bently Nevada 3500/40 135489-04 original

The Bently Nevada 3500/40 135489-04 is a 4-channel Proximitor® displacement monitor, part of the industry-standard 3500 Machinery Protection System . It accepts inputs from non-contacting eddy current proximity probes, conditions the signals to provide vibration and position measurements, and compares them against user-programmable alarms to protect critical rotating machinery . This specific variant (135489-04) is an I/O module featuring internal safety barriers and internal terminals, eliminating the need for external Zener barriers or isolators in hazardous areas . It is engineered to meet API 670 standards for machinery protection , providing the first line of defense for turbines, compressors, and other high-value assets.