Bently Nevada 330780-91-05
Bently Nevada 330780-91-05
Bently Nevada 330780-91-05
Bently Nevada 330780-91-05
Bently Nevada 330780-91-05
Bently Nevada 330780-91-05
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330780-91-05

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Bently Nevada 330780-91-05 is a 3300 XL 11 mm Proximitor Sensor used in proximity transducer systems for machinery condition monitoring, featuring compact DIN-rail mounting, improved RFI/EMI immunity, and SpringLoc terminals for reliable field wiring.
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Technical specifications for 330780-91-05

  • Manufacturer:
    Bently Nevada
  • Part Number:
    330780-91-05
  • Product Family:
    3300 XL 11mm Proximity Transducer System
  • Product Type:
    3300 XL 11 mm Proximitor Sensor
  • Stock:
    1
  • Total Length:
    9.0 meters (29.5 feet) system length
  • Mounting:
    DIN mount
  • Agency Approval:
    Multiple approvals
  • Operating Temperature Range:
    0°C to +45°C (32°F to 113°F)
  • Load Resistance:
    10 kΩ
  • Target Size Requirement:
    Diameter ≥ 31 mm (1.2 in)
  • Probe Gap Setting:
    2.5 mm (100 mils)
  • Proximitor Sensor Material:
    A380 aluminum
  • Weight:
    0.24 kg
  • Estimated shipping dimensions:
    8.7x3.4x7cm
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Applications Operating Environment Monitoring & Control

Features:

  • Serves as the Signal Conditioning Interface Between the Probe and Monitoring System
  • Integrates Advanced Proximity Sensing with Extended System Length Configuration
  • Functions Seamlessly with 3300 XL Monitoring Systems and Bently Nevada Machinery Protection Platforms
The 330780-91-05 operates as the 3300 XL 11 mm Proximitor Sensor in a vibration monitoring system, providing reliable signal conditioning for eddy current proximity measurements. It continuously processes the electrical signal generated by the matched probe and cable assembly, converting the impedance changes into a proportional voltage output that accurately represents the target gap distance. Consistent measurement accuracy is standard with the 3300 XL series, and the 330780-91-05 maintains this precision across its full 9.0 meter (29.5 feet) system length. The 330780-91-05 has incorporated several design improvements over previous proximitor generations in addition to supporting universal compatibility with existing 3300 series installations.

The 330780-91-05 provides essential signal conditioning functions common to the entire measurement path, and is a critical component of the monitoring chain, directly affecting the proper, normal operation of the overall vibration monitoring system. One 330780-91-05 proximitor is required per measurement channel depending on the desired monitoring configuration. The 330780-91-05 occupies a compact housing designed for DIN rail mounting and is typically located within the equipment cabinet or junction box near the monitored machine.

For extended system length applications, the 330780-91-05 supports the full 9.0 meter system length without requiring additional signal boosters or repeaters. In addition to standard single-channel operation, the 3300 XL architecture also supports multi-channel configurations. The 3300 XL system executes signal distribution using the internal circuitry specified in the proximitor design. Using this method, the monitoring system continually processes the health of the vibration signal. If the system detects that the probe gap is outside the linear range or that the signal quality has degraded, it will automatically flag the condition and place an event in the System Event List.

The 330780-91-05 Bently Nevada 3300 XL 11 mm Proximitor Sensor may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 330780-91-05 3300 XL 11 mm Proximitor Sensor Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Bently Nevada 330780-91-05 3300 XL 11 mm Proximitor Sensor Specs

General

  • Manufacturer Bently Nevada
  • Model 330780-91-05
  • Condition New Original ready stock
  • Product Family 330780-91-00,330780-91-CN,330780-92-05
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Axial (Thrust) Position: Measuring the longitudinal movement of shafts in rotating machinery.
  • Differential Expansion: Monitoring the relative expansion between a steam turbine rotor and its casing.
  • Reciprocating Compressors: Tracking rod position or rod drop.
  • Speed Measurements: Functioning as a tachometer for zero speed and phase reference (Keyphasor) signals.
  • Vibration Monitoring: Radial vibration and displacement measurements on fluid-film bearing machines.
  • Operating Temperature: -35 °C to +85 °C (-31 °F to +185 °F).
  • Storage Temperature: -51 °C to +100 °C (-60 °F to +212 °F).
  • Humidity: 100% condensing (when connectors are properly protected).
  • RFI/EMI Immunity: High resistance to electronic noise, allowing for stable readings in environments with heavy electrical interference.
  • Chemical Resistance: Proximitor housing is constructed from A308 aluminum, providing durability against common industrial contaminants.
  • Linear Range: 4.0 mm (160 mils), starting at approximately 0.5 mm (20 mils) from the probe face.
  • Scale Factor (SSF): 3.94 V/mm (100 mV/mil).
  • Frequency Response: 0 to 8 kHz (+0, -3 dB).
  • System Compatibility: Fully compatible with Bently Nevada 3500 and 3300 monitoring racks.
Description
330780-91-05 is a Proximitor Sensor in the Bently Nevada 3300 XL 11 mm system, designed to convert the probe signal into a calibrated output for machinery condition monitoring applications. This model is fully compatible with 3300 XL 11 mm probes and extension cables, forming a complete and reliable proximity measurement system.

In terms of system length and installation, 330780-91-05 supports a total system length of 9.0 meters (29.5 feet) and features a DIN rail mounting design, allowing for convenient installation in control cabinets and panels.

Regarding certifications, 330780-91-05 carries multiple agency approvals, making it suitable for use in regulated industrial environments and applications requiring compliance with international safety and performance standards, while maintaining the proven reliability of the Bently Nevada 3300 XL series.
Alternative Names
33O78O-91-05 330780-9I-05 3307809105 330780-91-00 330780-50-05 330780-51-05 330780-52-05 330780-90-05
Technical notes
Optimized for reliable asset protection, the 330780-91-05 Proximitor Sensor features a -91-05 configuration supporting a 9.0-meter system length with DIN rail mounting for seamless cabinet integration. It provides exceptional resistance to radio frequency interference and maintains a tight technical tolerance to ensure accurate shaft vibration diagnostics in harsh industrial environments.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What system length does the Bently Nevada 330780-91-05 support?
Bently Nevada 330780-91-05 is configured for a total 3300 XL 11 mm proximity transducer system length of 9.0 meters, or 29.5 feet.
How is the Bently Nevada 330780-91-05 installed?
The Bently Nevada 330780-91-05 uses DIN mounting, allowing the Proximitor Sensor to be installed in a structured control or monitoring cabinet arrangement.
Can the Bently Nevada 330780-91-05 be used with a 10 kΩ load resistance?
Yes. Bently Nevada 330780-91-05 is specified for a load resistance of 10 kΩ.
What target size should be used with the Bently Nevada 330780-91-05?
The target diameter should be at least 31 mm, or 1.2 inches, to meet the specified target size requirement.
Does the Bently Nevada 330780-91-05 require a specific probe gap?
Yes. The specified probe gap setting for the Bently Nevada 330780-91-05 is 2.5 mm, equivalent to 100 mils.
What operating temperature range applies to the Bently Nevada 330780-91-05?
Bently Nevada 330780-91-05 operates from 0°C to +45°C, corresponding to 32°F to 113°F.

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