Bently Nevada Vibration Transmitter
Product Description
This Bently Nevada 991-25-50-01-05 thrust transmitter ensures precise axial vibration monitoring for heavy-duty machinery. Optimized for a 25-0-25 mils range, it operates flawlessly in extreme temperatures from -35°C to +85°C.
Key Specifications
- Brand: Bently Nevada
- Range: 25-0-25 mils (0.6-0-0.6 mm)
- Accuracy: ±1.5% full scale
- Output: 4-20mA DC
- Power: 12-35VDC
- Weight: 0.43 kg (0.9 lb)
Model Code Explained
991-25–50–01–05
- 25: 25-0-25 mils measurement range
- 50: 5.0-meter probe cable
- 01: 35mm DIN-rail clip mounting
- 05: CSA Div.2, ATEX Zone 0/2, ABS maritime
Installation & Use
- Compatible with 3300 NSv Proximity Probes
- DIN-rail or panel mounting
- Max loop load: 1000Ω
Industrial Applications
- Offshore oil platform monitoring
- Chemical processing equipment
- Marine propulsion systems










Samantha Brooks –
Ordered the 991 Thrust Transmitter for a refinery’s centrifugal compressor – delivered in 2 days and flawless out of the box. The real-time thrust data identified abnormal loading during startup, which our old system missed. The Bently Nevada team provided 24/7 troubleshooting to optimize the signal output. Result? Avoided unplanned shutdowns and extended equipment lifespan by 18%. Fast shipping, fresh product, and expert guidance. Industrial reliability at its finest!