Bently Nevada 330980-70-05 3300 XL NSv Proximitor Sensor

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Manufacturer: Bently Nevada
Product No.: 330980-70-05
Country of origin:United States
Product Type: Proximity Sensor
Barcode: 8537101190
Payment: T/T, Western Union
Weight: 340g
Dimensions: 115 mm x 95 mm x 75 mm
Shipping port: Xiamen
Warranty: 12 months

Description

The Bently Nevada 330980-70-05 is a high-precision eddy current measurement device configured as a 3300 XL NSv Proximitor Sensor for critical machinery vibration monitoring. This specialized sensor converts the radio frequency (RF) signal generated by a proximity probe into a proportional voltage output, enabling precise tracking of static position and dynamic displacement. It is specifically designed to work with the 3300 NSv probe and extension cable in confined installations with tight counterbore, sideview, or rearview restrictions that limit standard proximity systems. The specific model configuration dictates a 7.0-meter system length matching options for panel mounting and carries no specific hazardous area agency approvals. Operating as a critical module within turbomachinery protection systems, it delivers stable performance for small shaft diameters and target surfaces down to 15 millimeters.

Features

Small Target Optimization: Specifically calibrated to provide linear, reliable metrics on shaft targets down to 51 millimeters for radial vibration or 15 millimeters for axial position tracking.
Tight Space Compatibility: Engineering design replaces legacy 3300 RAM and 3000/7000-series systems where sideview restrictions compromise standard 5mm and 8mm probes.
7.0-Meter Tuning: Internally balanced and calibrated for exact matching with a total probe and extension cable length of 7.0 meters to maintain signal integrity without field modifications.
Panel Mount Chassis: Rigid structural frame designed for straightforward installation within internal instrumentation enclaves and standard termination cabinets.
High Noise Rejection: Shielded electronics minimize RF interference and cross-talk across long-distance monitor room loops.

Applications

Radial vibration and position tracking loops on centrifugal air compressors.
Thrust displacement and axial position monitoring in industrial refrigeration compressors.
Tachometer, zero-speed, and phase reference Keyphasor measurements on small-diameter process gas compressor shafts.
Condition monitoring systems for fluid-filmed bearing machines with tight physical enclosure limitations.

Ordering Information

Option Prefix	Selected Option Field	Technical Configuration Meaning
330980	Base Model Part	3300 XL NSv Proximitor Sensor
-70	Total System Length	7.0 meters (23.0 feet), panel mount hardware
-05	Agency Approval	No approvals required

Technical Specifications

Parameter	Specification Value
Input Power Supply	-17.5 VDC to -26 VDC current loop; 12 mA maximum consumption
Scale Factor (ASF)	7.87 V/mm (200 mV/mil) nominal response
Linear Range	1.5 mm (60 mils) starting at roughly 0.25 mm (10 mils) from probe tip
Operating Temperature	-35 degC to +85 degC (-31 degF to +185 degF)
Storage Temperature	-51 degC to +105 degC (-60 degF to +221 degF)
Relative Humidity	100% condensing, non-submerged, when connector parts are protected
Output Impedance	50 Ohm terminal signal configuration
Chassis Design	A380 aluminum panel-mount frame configuration
Manufacturer	Bently Nevada (A Baker Hughes Company)
Country of Origin	U.S.A.
Shipping Weight (Calculated)	0.34 Kg
Package Dimensions (Calculated)	115 mm x 95 mm x 75 mm

Connections and Interfaces

Terminal Label	Function / Circuit Assignment
OUT	Proportional voltage output signal path (200 mV/mil output loop)
COM	Signal common return reference point
VTX	Negative DC excitation power input (-24 VDC nominal supply line)
Coaxial Jack	Secure connection interface to the 3300 NSv extension cable link

Installation Guidelines

CRITICAL WARNING

Isolate and entirely disconnect external loop power before beginning installation tasks. Running structural or wiring maintenance on active, energized proximity loops poses severe risks of transient loop faults, erratic diagnostic readouts, or accidental machinery shutdown command generation.

Field engineers must strictly observe the following technical sequence during field cabinet deployment:

Align the hardware frame on the clean chassis backplane inside the enclosure and tighten the panel screws to achieve a firm structural ground loop path.

Verify total line length compatibility. The overall combination of the 3300 NSv probe and extension cable must equal exactly 7.0 meters to ensure accurate scaling parameters.

Connect the coaxial terminal fitting of the extension cable into the integrated sensor receptacle, taking precautions to prevent mechanical binding or over-torque.

Land the VTX, COM, and OUT wires into their distinct screw terminals on the block connector, maintaining separation from noisy motor electrical pathways.

Key Features:

Product Documentation

Technical Datasheet (PDF) Complete specifications and technical drawings.

What primary machinery limits require the use of an NSv proximity system over standard 8mm modules?

The system is engineered for areas with physical installation restrictions such as small counterbores, tight sideview boundaries, or rearview obstructions. It provides excellent linear response curves on shaft targets smaller than 51 millimeters or axial faces under 15 millimeters.

Can this 7.0-meter sensor be paired with a 5.0-meter probe and cable configuration?

No. The electronic circuits are factory tuned for a precise overall electrical length. Pairing a 7.0-meter sensor with a 5.0-meter cable arrangement will result in inaccurate calibration measurements and alter the scale factor.

What are the exact voltage requirement values for the power inputs?

The sensor operates within an excitation window of -17.5 VDC to -26 VDC on the VTX terminal relative to the COM link. Standard operational draws generally cap at 12 mA.

How should the coaxial connector interface be insulated during field deployment?

To prevent accidental grounding issues and isolate the link from environmental moisture, use dedicated connector protectors or clean self-fusing silicone tape wrappers over the mated coaxial junction point.

Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).

For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Color pattern	Blue
Country of origin	United States

Bently Nevada 330980-70-05 3300 XL NSv Proximitor Sensor