991-25-70-01-05 | Bently Nevada | Monitor Module

991-25-70-01-05 Product datasheet

991-25-70-01-05 Functional Description

The Bently Nevada 991-25-70-01-05 Thrust Transmitteris a loop-powered thrust transmitter designed for OEM compressor and pump applications, converting proximity probe signals into 4-20mA outputs for axial displacement monitoring. This compact device integrates a Proximitor sensor, eliminating external conditioning units while providing dynamic vibration diagnostics through PROX OUT terminals. The 991-25-70-01-05 Bently Nevada Probe Vibration Transmittersupports both 5m and 7m cable systems, making it ideal for space-constrained installations.

Featuring non-interacting zero/span potentiometers, the 991 Series 2 Wire Thrust Transmitter 991-25-70-01-05enables quick field adjustments without recalibration. Its DIN-rail or bulkhead mounting options accommodate diverse mechanical layouts, while the test input pin allows loop verification using a DC voltage source. The transmitter’s potting construction ensures reliable operation in 100% condensing humidity environments.

The Probe Vibration Transmitter 991-25-70-01-05 Bently Nevadaincorporates a power-up inhibit circuit to prevent transient-induced errors and a Not OK/Signal Defeat function to avoid false alarms from probe faults. Compatible with 3300 NSv proximity probes, it delivers accurate thrust measurements even in high-vibration centrifugal compressors.

With its 2-wire loop-powered design and coaxial diagnostic output, the Thrust Transmitter Bently Nevada 991-25-70-01-05meets stringent OEM requirements for machinery control systems in oil & gas, power generation, and industrial applications.