Proximity Sensor | RS901104-03-050-10-01 R200602-400808 | Bently Nevada

Technical Specifications

The RS901104-03-050-10-01 R200602-400808 is a Proximitor Sensor manufactured by Bently Nevada. It is primarily used in industrial automation and condition monitoring systems to measure exact distances, vibrations, and shaft positions in rotating machinery.

On-site Installation Precautions

Sideview Clearance: Within a 25.4 mm (1.0 inch) radius around the probe tip, there must be absolutely no non-test target metal (such as the sidewalls of mounting holes or bearing housing steps). Otherwise, electromagnetic waves will be diverted by the surrounding metal, causing severe measurement distortion.

Target Size: The diameter of the rotating shaft being measured or the width of the target metal disk, or the sensing surface, should ideally be at least 30.5 mm (1.2 inches). If the target surface is too small, magnetic leakage at the probe edge will cause false vibration or excessively high displacement signals.

Application

Power plants: turbine and generator vibration, shaft displacement monitoring.

Petrochemical plants: compressor, pump, fan condition monitoring.

Steel plants: rolling mill bearing clearance measurement.

Refineries: rotating equipment wear and failure prevention.

Cement plants: kiln and crusher shaft deviation detection.

Technical FAQ

Q: What is the output standard and linear range of this RS901104-03-050-10-01 R200602-400808?

A: When matched with a standard 8 mm probe, the full-scale measurement range is 2.0 mm (80 mils). The standard output sensitivity is 7.87 V/mm (200 mV/mil).

Q: How is the zero position determined using gap voltage during field installation?

A: The probe-to-shaft mechanical gap is adjusted so that the proximitor output static DC voltage is approximately -10.0 VDC. At this point, the sensor is at the midpoint of its linear operating range, which is typically between -2 V and -18 V DC.

Q: How is this RS901104-03-050-10-01 R200602-400808 connected to upstream protection systems?

A: Its dynamic and static voltage outputs can be directly connected to Bently Nevada 3500/40M or 3500/42M monitoring modules for machinery condition monitoring and machine protection trip functions.

Q: What strict maintenance requirement applies to armored cable (-01) connectors?

A: The coaxial high-frequency ClickLoc connectors between the probe integral cable and extension cable must be fully covered with the original insulating sleeve. Any exposed metal must not contact machine frames, bearing housings, or grounded cable trays. Multi-point grounding must be strictly avoided, as it can introduce strong electromagnetic interference, causing abnormal signal spikes and potentially triggering false machine trips.

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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