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Precision Non-Contacting Measurement: Delivers highly accurate, continuous, and non-contacting displacement measurements for heavy rotating machinery, ensuring critical asset protection.
Large-Scale 11mm Sensor Calibration: Engineered specifically as a 9000XL 11mm Proximitor Sensor to support larger linear measurement ranges, ideal for significant axial displacement and thrust position diagnostics.
Standardized 100 mV/mil Scale Factor: Features a precise voltage output slope of 3.94 V/mm (100 mV/mil), converting physical eddy current micro-movements into reliable linear voltage signals.
Factory-Calibrated 9-Metre Loop: Internally tuned for a 9 Metre System loop, requiring precise matching with an 11mm eddy current probe and extension cable to maintain optimal linearity.
Industrial -24 Vdc Power Input: Integrates seamlessly with standard industrial power distribution via a dedicated -24 Vdc supply interface terminal.
Bently Nevada 3500 System Compatibility: Fully optimized for seamless integration with the Bently Nevada 3500 rack module, particularly matching the 3500/40M Proximitor Monitor card.
API 670 Compliant Safeguarding: Built to meet API 670 standard compliance requirements for machinery protection systems in harsh power plant and oil & gas instrumentation environments.
Industrial Applications
Steam Turbine Critical Monitoring: Extensively applied in critical steam turbine monitoring loops within power plants to oversee structural shaft health and prevent catastrophic machine failure.
Thrust Position & Axial Displacement Measurement: Serves as the primary transducer interface for high-precision thrust position measurement, tracking micro-inch rotor movements to shield thrust bearings from overloading.
Large-Scale Differential Expansion Tracking: Leverages its 11mm large-probe calibration to continuous monitor differential expansion between the machine casing and the rotor during thermal startup cycles.
Shaft Vibration & Eccentricity Diagnostics: Delivers real-time, non-contacting radial shaft vibration monitoring and shaft eccentricity diagnostics for complex turbine-compressor trains.
Industrial Turbo-Compressor Train Safeguarding: Deployed across oil & gas and petrochemical sectors for critical asset protection on large centrifugal compressors, high-speed fans, and expanders.
API 670 Machinery Protection Loop Integration: Functions as a fundamental field sensor interface within fully integrated, API 670 compliant machinery protection systems for early fault detection.
Power Plant Instrumentation & DCS Feedback: Collects field eddy current signals and transmits linear 100 mV/mil voltage outputs straight into Bently Nevada 3500 rack modules and plant-wide DCS networks.
Harsh Environment Industrial Asset Protection: Engineered to operate reliably under extreme conditions (high temperature, oil mist, and severe casing vibration) typical of heavy rotating machinery bays.
Frequently Asked Questions
Q1: What kind of device is the Bently Nevada 901100-90-03?
A1: The Bently Nevada 901100-90-03 is from the Bently Nevada 9000XL series. To put it simply, it’s a Proximitor Sensor used for non-contact displacement measurement on rotating machinery. You’ll normally find it working with an 11mm eddy current probe inside turbine or compressor monitoring systems. The module handles the RF signal from the probe and turns it into a usable voltage signal for the monitoring side.
Q2: What power supply does the 901100-90-03 use?
A2: This unit needs a -24 Vdc power supply. The terminal layout is pretty standard. VT is for the -24 Vdc input, COM goes to ground/common, and OUT sends the linear voltage output signal. In many plants, especially around steam turbine monitoring or gas turbine protection systems, wiring is done directly into machinery protection loops or DCS monitoring integration panels.
Q3: What does the “9 METRE SYSTEM” marking mean on the 901100-90-03?
A3: Basically, the whole 9000XL transducer system is calibrated around a total cable length of 9 metres. That includes the 11mm eddy current probe plus the extension cable together. If the total length changes too much, readings may drift and the sensor output might not stay fully accurate anymore. So most engineers try to keep the original matching setup.
Q4: What is the output scale factor of the 901100-90-03?
A4: The standard scale factor is 100 mV/mil, or around 3.94 V/mm. In actual operation, when the shaft moves slightly, the voltage output changes proportionally. That’s why this type of 9000XL 11mm Proximitor Sensor is commonly used for shaft vibration monitoring, thrust position measurement, and shaft eccentricity checks on industrial rotating machinery.
Q5: Where is the 901100-90-03 usually installed?
A5: You’ll see this model a lot in power plant instrumentation systems, especially around steam turbines, centrifugal compressors, and gas turbines. It’s widely used in critical asset protection applications where operators need continuous vibration and displacement data. Some API 670 compliant system projects still specify this model because the signal stability is reliable over long operating periods.
Compatible Part Numbers
330930-060-01-CN
330103-00-15-10-02-00
330102-00-40-10-02-00
1X35668
330101-23-38-10-02-00
330103-02-07-10-02-00
9200-02-01-10-00
330103-02-12-10-02-00
3500/93 135785-02
330103-05-13-10-02-00
330703-000-050-10-02-00
330103-07-12-10-02-00
330104-00-18-10-02-00
330104-01-05-10-02-00
3300/01
330703-050-120-10-02-00
330105-02-12-10-02-00
330709-050-120-10-02-00
330103-00-10-10-02-00
76686-040-01
3300/20
81305-040-00
990-04-50-02-00
135489-04
81545-01
128031-01C 128031-01
82926-01
330904-05-14-05-02-00
84140-01
330930-040-00-00
84145-01
330909-00-60-10-02-05
84152-01
21000-16-10-15-057-03-02
330103-00-04-10-02-05
21000-16-10-15-102-03-02
330730-040-03-00
21000-16-10-15-114-03-02
330104-00-25-10-02-05
21000-16-10-15-144-03-02
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Trading Company
Year Established:
2004
Total Annual:
85682000-125000000
Employee Number:
70~80
Ecer Certification：
Verified Supplier
Company Profile
Amikon Limited specializes in the global supply of industrial automation module spare parts.
The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems.
Product scope includes:
➢Distr... Company Profile
Amikon Limited specializes in the global supply of industrial automation module spare parts.
The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems.
Product scope includes:
➢Distr...
