Description

The Bently Nevada 330195-02-12-50-00 operates as a ruggedized hardware component for eddy-current signal generation and non-contact displacement measurement. It integrates with the 3300 XL 8 mm Proximity Transducer System platform, and this specific model utilizes an Extended Temperature Range (ETR) design alongside a reverse-mount mechanical layout to withstand harsh machinery environments.

Suffix Part Number Breakdown

The specific option strings map directly to the following structural specifications:

• 330195: Base Model Number for the 3300 XL 8 mm ETR Reverse Mount Proximity Probe.
• 02: 3/8-24 UNF-2A thread profile.
• 12: 12 mm unthreaded length configuration.
• 50: 5.0 metres (16.4 feet) total electrical system cable length.
• 00: No specialized regional agency approvals required (Standard configuration).

Hardware Specifications

Eddy-Current Signal Conditioning and TSI Characteristics

The hardware executes automated eddy-current probe scaling to output a continuous high-frequency signal directly proportional to the physical gap between the probe tip and the observed conductive target. Consequently, during commissioning, the field technician must perform gap voltage validation (-10 VDC targets) to verify that the transducer operates within the linear midpoint of the calibration curve. Meanwhile, the high-temperature demodulation circuitry tracks high-velocity rotor dynamics, capturing precise metrics for radial vibration, axial thrust position, and phase reference indication. Furthermore, the ETR construction prevents thermal breakdown, allowing the probe tip to function inside environments where temperatures spike up to +218 deg C.

Frequently Asked Questions

Q: How does the reverse mount design of the Bently Nevada 330195-02-12-50-00 modify physical installation methods?

A: The reverse mount configuration allows technicians to install the probe from the outside of the machine housing through a hole threaded from the rear. This orientation means operators can replace or adjust the hardware without removing the main bearing cover or machine housing plates.

Q: Can technicians use an intermediate extension cable with this 5.0-metre total length option?

A: No. Because this exact model integrates a full 5.0-metre continuous cable assembly directly from the probe casing, technicians must wire the miniature coaxial connector directly to a matching 5.0-metre Proximitor Sensor loop without an intermediate extension line.

Field Installation Guidelines

• Thread the reverse-mount probe casing into the designated 3/8-24 UNF mounting port from the exterior side of the bearing housing.
• Next, adjust the physical position of the probe tip relative to the target shaft until the monitoring instrument measures an initial gap voltage of -10 VDC.
• Connect the miniature gold-plated ClickLoc connector directly to the 5.0-metre Proximitor interface, applying finger-tight torque until the internal mechanism clicks.
• Subsequently, route the integrated 5.0-metre cable through flexible metal conduit, keeping the line separate from high-voltage AC cables to minimize electromagnetic interference.
• Finally, verify that the integrated Viton O-ring sits squarely within its seating groove to seal differential pressure and block process oil leakage past the sensor boundary.