330303-060-20-90-00-00 3300 XL Probe | Bently Nevada High Temp Proximity Sensor

330303-060-20-90-00-00 | Bently Nevada 3300 XL High Temperature Probe

330303-060-20-90-00-00 belongs to the Bently Nevada 3300 XL Series. This high-temperature proximity probe supports continuous shaft vibration and position monitoring in severe industrial environments.

The smooth-case structure simplifies mounting in compact machinery assemblies. Its ceramic probe tip maintains stable sensing performance under extreme thermal conditions.

The system supports long-distance signal transmission with reliable dynamic response characteristics. It performs efficiently in turbines, compressors, and critical rotating assets.

Key Engineering Features

• Supports operation up to +350°C (+662°F)
• Stable incremental scale factor across extended temperatures
• Smooth-case design improves installation flexibility
• Compatible with long field wiring layouts
• High-frequency response for vibration analysis
• AISI 316L stainless steel construction improves durability
• Ceramic probe tip supports thermal resistance performance

Technical Profile

• Manufacturer: Bently Nevada
• Model: 330303-060-20-90-00-00
• Series: 3300 XL
• Product Type: High Temperature Probe, Smooth Case
• Country of Origin: U.S.A.
• Probe Case Length: 6.0 inches
• Hardline Length: 2.0 metres
• Total System Length: 9.0 metres
• Extension Cable: Included
• Armor Configuration: Without stainless steel armor
• Agency Approval: Not required
• Probe DC Resistance: 5.82 Ohms
• Incremental Scale Factor: 3.94 V/mm (100 mV/mil)
• Interchangeability Error: ±9.65%
• Linear Measurement Range: 4.0 mm (160 mil)
• Deviation from Straight Line: Less than ±78 μm
• Extended Temperature ISF Stability: Within ±30%
• Frequency Response: 0 to 6 kHz
• Recommended Minimum Target Diameter: 30.5 mm
• Recommended Minimum Shaft Diameter: 152 mm
• Probe Tip Material: Ceramic
• Probe Case Material: AISI 316L Stainless Steel
• Operating Temperature: -34°C to +350°C
• Storage Temperature: -34°C to +350°C

Configuration Breakdown

Configuration Code	Description
330303	3300 XL High Temperature Probe, Smooth Case
060	6.0 inch overall case length
20	2.0 metre hardline cable length
90	9.0 metre total system length
00	No stainless steel armor
00	No agency approval required

Global PLC Spare HUB's Insight

High-temperature vibration monitoring requires stable sensor behavior during thermal cycling. The 3300 XL Series maintains reliable output consistency across demanding temperature ranges.

Engineers frequently deploy this model in steam turbine bearing housings and hot-process compressors. The ceramic tip structure improves long-term sensing reliability near elevated heat zones.

The 9-metre total system length simplifies integration into large turbine supervisory systems. Long cable routing capability helps reduce installation limitations in complex machinery layouts.

Compatible Equipment

• Steam turbines
• Gas turbines
• Industrial compressors
• High-speed rotating shafts
• Power generation monitoring systems
• Process plant machinery protection systems
• Large centrifugal pumps
• Condition monitoring platforms

Application Scenarios

• Shaft vibration monitoring
• Rotor position measurement
• Thermal expansion observation
• High-temperature bearing monitoring
• Machinery protection diagnostics
• Continuous process equipment supervision

Diagnostic Capability

• Detects abnormal shaft vibration trends
• Supports predictive maintenance programs
• Identifies rotor imbalance conditions
• Assists early bearing fault detection
• Improves machinery shutdown protection response
• Supports thermal drift analysis in rotating equipment

Installation Recommendations

• Maintain correct probe-to-target gap during installation
• Avoid excessive cable bending near the probe body
• Use stable mounting brackets for vibration accuracy
• Separate signal cables from high-voltage wiring
• Verify shaft surface condition before commissioning

Packaging and Delivery

• Industrial protective export packaging included
• Fast worldwide shipping available
• Courier support through FedEx, UPS, and DHL
• Typical dispatch within 24 to 48 hours
• Tracking details provided after shipment

Warranty Information

• 12-month product warranty included
• Technical support available during warranty coverage
• Functional inspection completed before shipment
• Professional packing improves transportation safety

Professional FAQ

Why does probe temperature stability matter in turbine monitoring?

Temperature stability reduces signal drift during long operating cycles. Stable output improves machinery protection accuracy.

How should engineers select the correct total cable length?

Select the shortest practical cable length for cleaner signal transmission. Long routing distances may require careful grounding practices.

What shaft material produces the best sensing performance?

Conductive ferromagnetic shaft materials typically provide more stable eddy-current response characteristics.

What installation issue most affects measurement repeatability?

Improper probe gap adjustment commonly reduces vibration measurement consistency and signal linearity.

When should users choose a high-temperature probe instead of a standard probe?

Choose high-temperature models when machinery surface temperatures exceed standard probe operating limits.

Tags