330780-91-05 Bently Nevada Proximitor Sensor

330780-91-05 | BENTLY NEVADA | 3300 XL 11 mm Proximitor Sensor

330780-91-05 | BENTLY NEVADA | 3300 XL 11 mm Proximitor Sensor

Availability: 10 left in stock

Configured for high-frequency displacement measurement in rotating machinery monitoring networks, the BENTLY NEVADA 330780-91-05 (3300 XL 11 mm Proximitor Sensor)...

SKU: 330780-91-05

Manufacturer: Bently Nevada
Product No.: 330780-91-05
Product Type: Proximity Sensors
Product Origin: USA
Payment:T/T, Western Union
Weight: 820g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Configured for high-frequency displacement measurement in rotating machinery monitoring networks, the BENTLY NEVADA 330780-91-05 (3300 XL 11 mm Proximitor Sensor) provides direct physical signal processing between the non-contacting probe and the vibration monitoring system instrumentation.

Hardware Specifications

Parameter	Specification
Model	330780-91-05
Brand	Bently Nevada
Origin	USA
Weight	0.255 kg
Dimensions	60 mm x 60 mm x 100 mm
Operating Temp	-35 deg C to +85 deg C
Power Consumption	12 mA maximum
System Length	9.0 meters

Mechanical Monitoring and TSI Characteristics

The 330780-91-05 utilizes the eddy-current principle to provide linear output voltage proportional to the distance between the probe tip and the observed shaft. During commissioning, technical personnel must perform gap voltage validation to ensure the steady-state bias is centered at -10 VDC. Accurate rotor dynamics analysis depends on maintaining this bias within the linear range. Furthermore, when installing multiple probes in a single bearing housing, engineers must ensure adequate physical spacing or signal synchronization to facilitate effective cross-talk suppression and maintain signal integrity.

Frequently Asked Questions

Q: What is the impact of supply voltage on the sensor's linear range?

A: Operating the unit at a supply voltage more positive than -23.5 VDC can result in a reduction of the usable linear operating range, potentially causing signal clipping at high displacement amplitudes.

Q: Can this sensor be used with standard 8 mm probes?

A: No, the 330780-91-05 is specifically calibrated for the 3300 XL 11 mm probe series. Mismatched probe and extension cable combinations will introduce significant scaling errors in the displacement output.

Field Installation Guidelines

Mount the Proximitor sensor on a DIN-rail within a housing that provides adequate protection against environmental moisture and corrosive contaminants.
Ensure the coaxial cable is routed away from high-current AC power cables to prevent electromagnetic interference (EMI).
Verify that all BNC connections are clean and finger-tight; do not overtighten, as this may damage the internal dielectric or connector pins.
When connecting to the monitoring system, ensure the shield is grounded at the monitor end only to prevent ground loops.
Confirm the system gap voltage using a high-impedance digital multimeter before placing the machinery into continuous service.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.