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3300 XL Proximeter Bently Nevada (330180-91-CN)

3300 XL Proximeter Bently Nevada (330180-91-CN)

Item NO.: (330180-91-CN)
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Condition : brand new in factory sealed box


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Detail

  • Product Name3300 XL Proximeter Bently Nevada (330180-91-CN)
  • Item NO.(330180-91-CN)
  • Weight1.0000 kg = 2.2046 lb = 35.2740 oz
  • CategoryTSI
  • BrandBently Nevada
  • Creation Time2025-01-22
  • Bently Nevada 3300 XL Proximeter
  • 9.0 m System Length · DIN Rail Mount
Bently Nevada 330180-91-CN | 3300 XL Proximitor Sensor

330180-91-CN

3300 XL Proximitor Sensor Bently Nevada 9.0 m System Length · DIN Rail Mount
3300 XL · Proximitor · Eddy Current
Product Overview Performance Technical Details System Integration Applications FAQ Recommended Models

Product Overview

330180-91-CN is a high-performance Proximitor sensor (pre-processor) from Bently Nevada's 3300 XL Series, designed for use in eddy current proximity transducer systems. It converts the signal from a non-contact 3300/3300 XL 8 mm probe into a voltage output proportional to the distance between the probe tip and the target surface.

The "91" suffix indicates a 9.0-meter system length with DIN rail mounting, while "CN" typically denotes configuration for the Chinese market or specific termination standards. This model is part of the 3300 XL 8 mm system, which is Bently Nevada's most advanced eddy current sensor system and is 100% compliant with the API 670 standard (4th edition).

The Proximitor sensor is a critical component in machinery protection systems, providing precise, non-contact measurement of shaft vibration, position, and speed for critical rotating equipment such as turbines, compressors, and pumps.

3300 XL Series Proximitor Sensor DIN Rail Mount 9.0 m System Length API 670 Compliant
Key details
  • Bently Nevada 3300 XL Series
  • Non-contact eddy current measurement
  • Vibration & displacement monitoring
  • 9.0 m system length (91 suffix)
  • DIN rail mounting

Performance

Measurement accuracy

  • High precision — Provides linear output with an accuracy of ±0.5% over the specified range, ensuring reliable vibration and displacement data for critical machinery.
  • Sensitivity — 7.87 V/mm (200 mV/mil) sensitivity enables precise detection of rotor dynamic displacement changes.
  • Linear range — 2 mm (80 mils) linear range, covering the measurement span from approximately 0.25 mm to 2.3 mm (10–90 mils).

Environmental robustness

  • Wide temperature operation — Proximitor operating temperature range: -35°C to +85°C; probe supports -51°C to +177°C for extreme environments.
  • RFI/EMI immunity — Enhanced RFI/EMI radiation resistance meets European electromagnetic compatibility standards, ensuring stable operation even in complex RF environments.
  • Interchangeability — All 3300 XL 8 mm eddy current sensor systems meet specified performance standards, and probes, extension cables, and Proximitors are fully interchangeable without separate matching components or bench calibration.

Technical Details

Electrical specifications

Manufacturer Bently Nevada (Emerson)
Model 330180-91-CN
Product type Proximitor Sensor (Pre-processor)
Series 3300 XL
System length 9.0 m (29.5 ft)
Mounting option DIN rail (91 suffix)
Supply voltage -17.5 to -26 VDC (without safety barrier); -23 to -26 VDC (with safety barrier)
Current consumption 12 mA (max)
Output signal Voltage or current (proportional to gap)
Sensitivity 7.87 V/mm (200 mV/mil)
Linear range 2 mm (80 mils)
Recommended gap 1.27 mm (50 mils)

Physical & environmental

Mounting DIN rail or panel
Mounting base Electrically insulated (no separate insulating plate required)
Proximitor material A308 aluminum
Connector Corrosion-resistant ClickLoc gold-plated copper (finger-tight)
Operating temperature -35°C to +85°C (Proximitor)
Probe temperature -51°C to +177°C
Storage temperature -51°C to +105°C
Weight Approx. 0.7 kg
Certifications API 670, CE, UL, CSA
Note: "CN" suffix typically indicates configuration for the Chinese market or specific termination standards.

System Integration

The 330180-91-CN Proximitor is designed for seamless integration into Bently Nevada 3300 XL monitoring systems.

Compatibility & integration

Compatible probes 3300/3300 XL 8 mm eddy current probes
Compatible extension cables 3300 XL series extension cables
Compatible monitors 3500/42M, 3500/40M, 3500/44M, 3500/32M, 3500/33
Output compatibility 4-20 mA, voltage output (compatible with PLC/DCS systems)
Communication Proprietary Bently Nevada signal format
System integration notes:
  • The 330180-91-CN must be used with Bently Nevada-specified eddy current probes and extension cables. Mismatched components will cause measurement errors or system failure.
  • Output signals are compatible with major DCS/PLC systems (ABB, Siemens, Rockwell) via 4-20 mA or voltage interfaces, enabling remote monitoring and data analysis.
  • As part of the 3300 XL system, it integrates seamlessly with vibration monitoring modules (e.g., 3500/42M) and keyphasor modules for comprehensive machinery health management.
  • The DIN rail mounting option (91 suffix) simplifies installation in modern control cabinets.
Related components: 3300 XL 8 mm Probe, 3300 XL Extension Cable, 3500/42M Vibration Monitor, 3500/33 Keyphasor Module

Applications

The 330180-91-CN is widely deployed in mission-critical rotating machinery across various industries.

Steam turbines
Gas turbines
Centrifugal compressors
Axial compressors
Large pumps
Fans & blowers
Generators
Motor-driven equipment
Typical industries: Oil & gas refining, power generation (thermal/nuclear), petrochemical processing, steel mills, cement plants, and pulp & paper facilities.
Key measurement applications: Radial shaft vibration, shaft displacement/position (thrust and radial), rotational speed (keyphasor), and eccentricity monitoring.

FAQ – Frequently Asked Questions

Q1: What is the difference between 330180-90-00 and 330180-91-CN?

The suffix indicates the system length and mounting option. "90" denotes a 9.0 m system length with panel mounting; "91" denotes a 9.0 m system length with DIN rail mounting. "CN" typically indicates configuration for the Chinese market or specific termination standards.

Q2: Does the 330180-91-CN require calibration when replacing a unit?

All 3300 XL 8 mm eddy current sensor systems are fully interchangeable without separate matching components or bench calibration. However, after installation, the entire measurement loop (probe, extension cable, Proximitor) should be verified for proper gap voltage and scaling factor.

Q3: What is the purpose of the driven shield (triaxial cable) technology?

The triaxial driven shield design minimizes cable capacitance effects, ensuring stable measurements even with long cable runs. This allows the system to maintain ±0.5% linearity over extended distances, making it ideal for industrial installations where the control room is far from the machinery.

Q4: Can the 330180-91-CN be used for both static (displacement) and dynamic (vibration) measurements?

Yes. The Proximitor outputs a voltage signal proportional to the gap between the probe tip and the target surface, which can be used for both static displacement measurements (thrust position) and dynamic vibration measurements (shaft vibration).

Q5: What is the recommended target size for this sensor?

For optimal performance, the recommended target surface diameter is 15.2 mm for a shaft diameter of 76.2 mm. The target should be a solid metallic surface with a flatness of better than 0.025 mm.

Q6: Is the 330180-91-CN compatible with ATEX/hazardous area installations?

The 330180-91-CN itself is typically installed in the safe area (control room). For hazardous area installations, the probe and extension cable may be installed in the hazardous area with appropriate safety barriers. Verify the specific certification of your unit.

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