Description
1. Product Title
Bently Nevada 330780-91-05 – 3300 XL 11mm Proximitor Sensor
2. Product Overview
The 330780-91-05 is a high-performance proximitor sensor from Bently Nevada , engineered for precise non-contact vibration and displacement measurement in rotating machinery. As part of the 3300 XL series, this module plays a critical role in condition monitoring systems by converting proximity probe signals into usable output for control and protection systems.
Designed for extended linear range and high-resolution signal processing, the 330780-91-05 ensures accurate detection of shaft position, vibration amplitude, and dynamic movement. It is widely deployed in mission-critical equipment such as turbines and compressors, where early fault detection is essential to avoid downtime and equipment damage.
3. Technical Specifications
- Brand: Bently Nevada
- Model: 330780-91-05
- Warranty: One Year
- Condition: 100% New & Original
Detailed Specifications:
- Product Type: 3300 XL 11 mm Proximitor Sensor
- Sensor Technology: Eddy-current (non-contact measurement)
- System Length: 9.0 m (Option -91, includes probe + extension cable)
- Output Sensitivity: 3.94 V/mm (100 mV/mil)
- Frequency Response: 0 to 8 kHz
- Linear Measurement Range: Approx. 0.5 to 4.5 mm
- Power Supply: -17.5 Vdc to -26 Vdc, ≤12 mA
- Input Compatibility: Supports 3300 XL 11 mm proximity probes and extension cables
- Mounting Type: DIN rail or panel mount
- Housing Material: Aluminum casing with corrosion-resistant connectors
- Operating Temperature: Approx. -35°C to +85°C
- Weight: Approx. 0.25 kg
4. Key Features & Benefits
- Extended Linear Range Technology:
Provides a wider measurement span, improving accuracy in shaft displacement and vibration monitoring. - High Signal Resolution:
Converts probe signals into precise voltage output, enabling reliable diagnostics and early fault detection. - Robust EMI/RFI Immunity:
Ensures stable performance in electrically noisy industrial environments, reducing false readings. - Flexible Installation Options:
DIN rail and panel mounting simplify integration into existing control cabinets and monitoring systems. - Seamless System Integration:
Fully compatible with 3300 XL monitoring systems and other machinery protection platforms.
5. Application Scenarios
- Power Generation (Steam & Gas Turbines):
Used for shaft vibration, axial position, and differential expansion monitoring to ensure turbine stability. - Oil & Gas (Compressors):
Enables rod position and vibration monitoring in reciprocating and centrifugal compressors for predictive maintenance. - Heavy Industry (Pumps & Motors):
Applied in rotating equipment to detect imbalance, misalignment, and mechanical wear before failure occurs.
6. Frequently Asked Questions (FAQ)
Q: What is the primary function of the 330780-91-05?
A: It converts proximity probe signals into accurate vibration and displacement measurements for machinery condition monitoring systems.
Q: Is 330780-91-05 compatible with legacy systems?
A: Yes, it is designed for compatibility with 3300 XL systems and can often be integrated into existing Bently Nevada monitoring architectures with minimal modification.
