Description

Bently Nevada 330850-50-CN Proximitor Sensor

The Bently Nevada 330850-50-CN, also cataloged as the 3300 XL 25 mm Proximitor Sensor, operates as a dedicated hardware component for eddy-current signal conditioning and displacement measurement within 3300 XL proximity transducer systems. Configured for signal conversion from probe gap variation into proportional voltage output, the Bently Nevada 330850-50-CN (3300 XL 25 mm Proximitor Sensor) provides direct electrical execution for rotor-to-case clearance monitoring.

Hardware Specifications

Parameter	Specification
ModelBrand	Bently Nevada 330850-50-CN
Origin	USA
Weight	0.2 kg
Dimensions	8.8 x 3.5 x 7 cm (shipping size)
OperatingTemp	N/A
PowerConsumption	N/A
System Length	5.0 m (16.4 ft)
Output Resistance	50 W
Average Scale Factor	0.787 V/mm
Probe Material	AISI 304 stainless steel
Product Type	3300 XL 25 mm Proximitor Sensor

Eddy-Current Signal Conditioning and Gap Voltage Scaling

The 330850-50-CN processes eddy-current probe feedback by converting probe-target gap modulation into a calibrated voltage response defined by its 0.787 V/mm scale factor. System operation is aligned with -10 VDC gap reference validation practice used in proximity transducer calibration loops. Signal linearity is maintained through controlled impedance matching at the proximitor interface, supporting rotor dynamics displacement tracking. Cross-talk suppression is implemented at the probe-cable interface level to maintain channel isolation integrity under multi-probe installations.

Frequently Asked Questions

Q: Does the 330850-50-CN support direct hot-swap replacement in active proximity channels?
A: Replacement requires system power isolation. The proximitor is not designed for live hot-swap under energized probe bias conditions.

Q: What electrical interface governs the probe-to-proximitor signal path?
A: The system uses an eddy-current inductive interface with voltage scaling proportional to gap displacement, referenced against internal bias excitation circuitry.

Q: Can multiple proximitor channels operate in close proximity without signal interference?
A: Channel separation is maintained through cross-talk suppression design, but physical routing separation and shield termination remain mandatory.

Field Installation Guidelines

Probe and extension cable routing must maintain continuous shielding from probe head to proximitor input terminal. Shield termination should be grounded at a single system reference point to avoid ground loop formation. Cable bending radius must be controlled to prevent impedance discontinuity along the 3300 XL system length. Installation must ensure mechanical isolation of probe housing to avoid vibration-induced signal distortion. All connections should be verified for stable impedance before energizing the monitoring channel.

Specifications

• Brand: Bently Nevada

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems