330850-90-00 Bently Nevada Proximitor Sensor

BENTLY NEVADA 330850-90-00 3300 XL 25 mm Proximitor Sensor

BENTLY NEVADA 330850-90-00 3300 XL 25 mm Proximitor Sensor

Availability: 10 left in stock

Configured for high-frequency displacement measurement in rotating machinery monitoring networks, the BENTLY NEVADA 330850-90-00 (330850 3300 XL 25 mm Proximitor...

SKU: 330850-90-00

Manufacturer: Bently Nevada
Product No.: 330850-90-00
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 330850-90-00 (330850 3300 XL 25 mm Proximitor Sensor) provides direct physical signal processing between the non-contacting probe and the vibration monitoring instrumentation.

Suffix Breakdown & Model Matrix

Suffix	Description
90	9.0 meters system length, panel mount configuration
00	No hazardous area agency approvals

Hardware Specifications

Parameter	Specification
Model	330850-90-00
Brand	Bently Nevada
Origin	USA
Weight	0.255 kg (approx.)
Dimensions	60 mm x 60 mm x 100 mm
Operating Temp	-35 deg C to +85 deg C
Power Consumption	12 mA maximum
Input	Single 3300 XL 25 mm Proximity Probe

Mechanical Monitoring and TSI Characteristics

The 330850-90-00 functions by modulating a high-frequency carrier signal to track the relative position of a metallic target. During system commissioning, technicians must perform gap voltage validation to ensure the steady-state bias rests at -10 VDC, which centers the probe within its linear measurement range. Precise eddy-current probe scaling is mandatory to maintain data accuracy for complex rotor dynamics analysis. In applications involving multiple sensors, cross-talk suppression is achieved by maintaining strictly defined physical separation between probe tips to prevent frequency interference in the oscillator circuit.

Frequently Asked Questions

Q: Is the 330850-90-00 compatible with older 3300 series proximity probes?

A: No, this unit is specifically engineered for the 3300 XL 25 mm series. Using mismatched probes will introduce non-linearities and calibration errors in the displacement output.

Q: How should the shield of the coaxial extension cable be managed to ensure signal integrity?

A: The shield must be terminated at the monitor end only to prevent the formation of ground loops, which can introduce low-frequency noise and distort the vibration signal.

Field Installation Guidelines

Mount the Proximitor to a metal panel using the provided hardware to ensure a consistent chassis reference potential.
Route coaxial cables through grounded, rigid conduits, maintaining maximum separation from high-current AC motor leads or VFD cabling.
Validate the gap voltage at the field wiring terminals using a high-impedance digital multimeter prior to final system calibration.
Verify that all BNC connections are finger-tight; excessive mechanical torque can fracture the internal ceramic dielectric of the connector.
Ensure the proximity probe tip is aligned perpendicular to the shaft surface to prevent measurement errors caused by radial runout artifacts.

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.