330104-12-20-10-02-00 Bently Nevada Series Datasheet & Technical Manual

Bently Nevada 330104-12-20-10-02-00 3300 XL 8 mm Proximity Probes

Bently Nevada 330104-12-20-10-02-00 3300 XL 8 mm Proximity Probes

التوفر: 10 متوفر في المخزون

The Bently Nevada 330104-12-20-10-02-00 serves as the primary 330104 Proximity Probe utilized to execute non-contacting displacement and vibration measurements across...

رمز المنتج: 330104-12-20-10-02-00

Manufacturer: Bently Nevada
Product No.: 330104-12-20-10-02-00
Product Type: Proximity Sensors
Product Origin: USA
Payment:T/T, Western Union
Weight: 280g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

The Bently Nevada 330104-12-20-10-02-00 serves as the primary 330104 Proximity Probe utilized to execute non-contacting displacement and vibration measurements across 3300 XL Proximity Transducer System platforms.

Suffix Breakdown & Model Matrix

330104: Base model number for 3300 XL 8 mm proximity probe with M10 x 1 threaded case.
-12: Unthreaded Length Option (12 = 120 mm).
-20: Overall Case Length Option (20 = 20 mm).
-10: Total Length Option (10 = 1.0 metre).
-02: Connector and Cable Type Option (02 = Miniature coaxial ClickLoc connector, standard cable).
-00: Agency Approval Option (00 = Not required).

Hardware Specifications

Parameter	Specification
Model	330104-12-20-10-02-00
Brand	Bently Nevada
Origin	U.S.A.
Weight	0.230 kg nominal
Dimensions	8 mm probe tip diameter, 20 mm overall case length, 1.0 m total length
Operating Temp	-51 deg C to +177 deg C
Power Consumption	Sourced via external 3300 XL Proximitor Sensor loop
Linear Range	2.0 mm (80 mils) nominal
Scale Factor	7.87 V/mm (200 mV/mil) when paired with matching 3300 XL Proximitor
Connector Type	Miniature coaxial ClickLoc connector
Cable Configuration	75 Ohm coaxial standard cable

Eddy-Current Probe Scaling and Gap Voltage Validation

The 330104-12-20-10-02-00 probe generates a high-frequency radio frequency (RF) field to complete eddy-current probe scaling against a conductive target surface. When driven via a matching 3300 XL Proximitor Sensor, physical changes in distance translate directly to the factory-calibrated linear voltage loop output. Proper installation requires precise gap voltage validation to anchor the sensor within its linear calibration envelope. Field technicians must adjust the physical probe location relative to the shaft surface until the static voltage stabilizes at the defined -10 VDC targets, denoting the center of the calibrated span. This baseline verification is necessary to accurately analyze complex rotor dynamics, while structural isolation inside the sensor path provides cross-talk suppression between concurrent radial measurements on the machine.

Frequently Asked Questions

Q: How does a modification or extension of the 1.0 metre total probe length impact system calibration?

A: The probe internal coil and cable length are tuned to match specific electrical parameters. Modifying the 1.0 metre physical line length or pairing it with an uncalibrated extension cable disrupts the total loop impedance, degrading the scale factor linearity and shifting the baseline gap voltage away from standard specifications.

Q: What physical failure occurs if the ClickLoc coaxial connector shell makes contact with the machine frame?

A: Contact between the connector shell and the machine frame creates a parallel ground loop path. This injects electrical noise into the measurement circuit, overriding the native cross-talk suppression and distorting the dynamic vibration readings.

Field Installation Guidelines

Mechanical Mounting and Thread Engagement: Inspect the threaded mounting bore. Hand-thread the probe case to prevent cross-threading, ensuring the 120 mm unthreaded portion aligns with the mounting template without causing the tip to strike the shaft target.
Gap Voltage Positioning: Power the 3300 XL transducer loop and bridge a digital voltmeter across the Proximitor output signal terminals. Advance the probe inside the threads until the recorded static signal reads exactly -10 VDC.
Locknut Mechanical Anchoring: Secure the locknut against the entry flange to preserve the vertical position. Keep the voltmeter monitored during tightening to verify that the mechanical compression does not alter the -10 VDC calibration.
Coaxial Routing Protocol: Guide the 1.0 metre coaxial cable inside dedicated, grounded metallic conduits to maximize cross-talk suppression. All routing paths must maintain a static bend radius of no less than 25.4 mm (1.0 inch).

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