330780-50-00 Bently Nevada 3300 XL Datasheet & Technical Manual

330780-50-00 | Bently Nevada | 3300 XL 11 mm Proximitor Sensor

330780-50-00 | Bently Nevada | 3300 XL 11 mm Proximitor Sensor

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Configured for high-frequency signal conditioning in vibration monitoring platforms, the Bently Nevada 330780-50-00 (330780 Proximitor Sensor) provides direct physical signal...

رمز المنتج: 330780-50-00

Manufacturer: Bently Nevada
Product No.: 330780-50-00
Product Type: Proximity Sensors
Product Origin: USA
Payment:T/T, Western Union
Weight: 142g
Shipping port: Xiamen
Warranty: 12 months

وصف التقييمات

Configured for high-frequency signal conditioning in vibration monitoring platforms, the Bently Nevada 330780-50-00 (330780 Proximitor Sensor) provides direct physical signal translation for 11 mm proximity probe systems.

Suffix Breakdown & Model Matrix

Suffix	Description
50	5.0 metre (16.4 feet) system length, panel mount
00	No agency approval required

Hardware Specifications

Parameter	Specification
Model	330780-50-00
Brand	Bently Nevada
Origin	USA
Weight	0.82 kg
Dimensions	Standard 3300 XL enclosure geometry
Operating Temp	-51 deg C to +100 deg C
Power Consumption	12 mA maximum
Target Requirements	30.5 mm (1.2 in) diameter flat target

Eddy-Current Probe Scaling and Rotor Dynamics

The 330780-50-00 utilizes an internal high-frequency oscillator to drive the 11 mm probe, generating a linear output voltage proportional to shaft displacement. The system scale factor is set for 11 mm probe characteristics. During site commissioning, gap voltage validation is required to ensure the sensor output targets -10 VDC at the midpoint of the linear range. This verification is required for accurate rotor dynamics interpretation, including shaft centerline position and vibration orbit analysis. Cross-talk suppression is ensured by maintaining specific physical separation distances between adjacent probe installations to prevent mutual interference from the high-frequency carrier signals.

Frequently Asked Questions

Q: Does the 11 mm probe require a different gap voltage target than the 8 mm series?

A: No. The standard gap voltage validation target remains -10 VDC when the probe is positioned at the electrical center of its linear range.

Q: Is this sensor compatible with shorter system lengths?

A: The 330780-50-00 is factory-calibrated for a specific 5.0 metre system length. Deviating from the specified system length will affect the accuracy and phase shift of the transducer output.

Field Installation Guidelines

Secure the sensor housing to a grounded panel to ensure electrical continuity and EMI immunity.
Ensure coaxial cable connectors are fully seated and hand-tightened. Do not use tools to over-torque the connectors, as this may damage the internal dielectric or connector threads.
Keep coaxial cable runs segregated from high-power AC lines or motor variable frequency drive cabling to mitigate electromagnetic interference.
Verify the integrity of the coaxial shield connection at the monitor termination point to avoid ground loop current paths.
Prior to system startup, measure the gap voltage at the monitor output terminals to confirm the sensor is operating within the linear operating range.

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