Position Sensor | JNJ5300-08-03-000-060-10-00-00-03 | Bently Nevada

Technical Specifications

The JNJ5300-08-03-000-060-10-00-00-03 is a Position Sensor manufactured by Bently Nevada. It is used in industrial automation and rotating machinery (such as steam turbines, compressors, etc.) to measure the axial displacement, differential pressure, position, speed, or acceleration of mechanical components with high precision.

Physical and Technical Characteristics

High Repeatability: ±0.01% of full scale (F.S.).

High Durability: Designed for harsh industrial environments, resistant to strong vibrations, electromagnetic interference (EMI/RFI), and oil contamination.

Operating Principle: Mostly based on the eddy current principle for non-contact measurement. A high-frequency signal is provided to the probe via a preamplifier, and precise displacement is calculated by measuring the voltage feedback of the gap change.

Application Scenarios

Thrust Displacement: Monitors the forward and backward movement of the main shaft during rotation, preventing severe collisions between the rotor and stator.

Differential Expansion: Measures the relative expansion difference between the rotor and cylinder during turbine startup and shutdown thermal changes.

Valve Position/Opening: Stroke feedback for some hydraulic actuators or control valves.

Technical FAQ

Q: As a position sensor, how is the “zero point” calibrated during installation?

A: The calibration must reference the machine’s mechanical dead zone and the rotor thrust collar center position. Typically, when the rotor is fully seated against the thrust bearing (zero thrust position), the mounting bracket of the sensor is finely adjusted so that the static gap voltage output is set to the linear midpoint (for example, around -10.0 VDC), which is defined as the electrical zero reference.

Q: What is the linear measurement range of the position sensor?

A: For a standard 8 mm probe, the total linear measurement range is typically 2 mm (80 mils), corresponding to a standard voltage output range of approximately -2 V to -18 V DC, with a sensitivity of about 7.87 V/mm (200 mV/mil).

Q: What are the common causes of abnormal drift in position sensor output?

A: Common causes include loosening of the mounting bracket leading to physical displacement, accumulation of conductive metallic debris on the probe surface, and thermal expansion deformation of the machine casing.

Q: What is the primary application of this sensor?

A: It is a high-precision non-contact eddy current position/displacement sensor designed for industrial large rotating machinery (such as steam turbines and compressors), primarily used for axial thrust position monitoring and machine condition monitoring.

Q: Are your products brand new?
A: Yes. We only supply 100% original and brand-new products. All items are sourced through authorized channels and have never been used or refurbished.

Q: Why can customers buy with confidence?
A: Because every product is backed by our 1-Year Warranty Guarantee of Quality, ensuring reliability, customer satisfaction, and long-term support after delivery.

Q: Do you provide international shipping?
A: Yes. We ship products to customers worldwide using reliable international logistics services such as EMS, DHL, UPS, and FedEx.

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