Product Short Description
330903-00-09-10-02-05 is an original industrial high-temperature precision non-contact eddy current proximity probe manufactured by Bently Nevada (Baker Hughes USA). It belongs to the 3300 XL NSv high-temperature special sensor series.
This probe adopts high-frequency eddy current non-contact induction principle, performs dynamic gap displacement measurement between probe tip and metal rotating shaft surface. It outputs stable DC gap voltage and dynamic AC vibration signals.
Description
Basic Identification Parameters
- Brand: Bently Nevada
- Part Number: 330903-00-09-10-02-05
- Product Series: 3300 XL NSv High-Temperature Proximity Probe
- Probe Tip Diameter: 9 mm
- Version: High-Temperature Specialized Model
- Origin: United States
- Product Weight: 210 g
- Factory Warranty Period: 12 months original factory warranty
- Probe Housing Material: High-temperature resistant 316L Stainless Steel
- Protection Grade: IP68 Fully Hermetically Sealed
- Certifications: CE, UL, CSA, ATEX/IECEx Hazardous Area Certification, API 670 Compliant
Mechanical & Cable Specifications
- Probe Thread Specification: M10×1 External Thread
- Integrated Cable Total Length: 9 meters
- Cable Structure: Double-shielded twisted pair + stainless steel armored outer protective sheath
- Cable Inner Insulation: Special high-temperature fluoropolymer insulation material
- Terminal Connection: Integrated flying lead cable termination
- Minimum Measurable Target Diameter: 22 mm
- Applicable Target Material: Ferromagnetic carbon steel, alloy steel, high-temperature alloy shaft materials
- Probe Tip Material: Special high-temperature resistant engineered polymer
Electrical & Measurement Specifications
- Measurement Principle: High-Frequency Eddy Current Non-Contact Induction
- Nominal System Sensitivity: 7.87 mV/μm (200 mV/mil) ±5% Full Scale
- Effective Linear Measurement Range: 0.25 mm – 1.65 mm (10 – 65 mils)
- Static DC Gap Output Voltage: -18 V DC nominal linear operating range
- Dynamic Signal Output: AC dynamic gap vibration voltage signal
- Frequency Response Range: 5 Hz – 8000 Hz, ±3 dB tolerance
- System Matching Impedance: Fully compatible with 3300 XL NSv proximitor input impedance
- Measurement Linearity Error: ≤±1.0% Full Scale
- High-Temperature Sensitivity Drift: ≤±4% within full high-temperature operating range
Environmental Specifications
- Operating Temperature Range: -40 ℃ to +175 ℃ Ultra High Temperature Range
- Storage Temperature Range: -55 ℃ to +200 ℃
- Operating Humidity: 0%–100% RH, condensing environment allowed
- Mechanical Endurance: 100 g peak shock resistance, continuous 25 g vibration resistance
- Electromagnetic Compatibility: Fully meets industrial EMC anti-interference standards
- Environmental Adaptability: Oil-resistant, water-resistant, high-temperature oxidation-resistant, chemical corrosion-resistant, armored anti-mechanical damage structure
Core Functional Features
- 9 mm High-Temperature Specialized Probe Design
Optimized 9 mm probe structure with ultra-high temperature resistance, maintains stable linearity and sensitivity under continuous high-temperature working conditions.
- 9 m Integrated Stainless Steel Armored Cable
Built-in 9 meters armored double-shielded cable, eliminates external extension cable connection points, greatly improves anti-pull, anti-extrusion, anti-abrasion and high-temperature aging resistance performance.
- Ultra-High Temperature Resistant Material System
Special high-temperature probe tip, housing, insulation and cable materials, support continuous stable operation at +175 ℃ maximum ambient temperature.
- IP68 Fully Hermetic Sealed Construction
316L stainless steel housing + full high-temperature resistant epoxy potting process, completely waterproof, dustproof, oil-proof and corrosion-resistant.
- Non-Contact Zero-Wear Measurement Principle
No mechanical contact with rotating shaft, zero friction wear, extremely long service life, no damage to monitored equipment during installation and operation.
- Ultra-Stable High-Temperature Drift Performance
Specially calibrated low temperature drift circuit and materials, ensures accurate measurement in extreme high-temperature working conditions.
- High-Strength Armored Anti-Damage Cable
Stainless steel armored outer layer effectively resists construction friction, extrusion, mechanical impact and high-temperature aging damage.
- Dual-Shielded Anti-Interference Architecture
Complete electromagnetic shielding fully suppresses industrial electromagnetic interference and ground loop noise.
- Full Original System Compatibility
Original matching design, seamless connection with all Bently Nevada proximitors, transmitters and monitoring systems.
Applicable Application Scenarios
- Thermal power plants: High-temperature steam turbines, gas turbines, turbo-generator high-temperature shaft monitoring
- Petroleum & petrochemical industry: High-temperature centrifugal compressors, hot process pumps, high-temperature fans, offshore platform high-temperature rotating machinery
- Chemical industry: High-temperature high-speed compressors, hot reciprocating machinery, high-temperature heavy-duty high-speed gearboxes
- Metallurgy industry: High-temperature rotary kilns, hot grinding mills, high-temperature heavy-duty fans
- Power equipment: High-temperature thermal auxiliary rotating machinery
- Industrial sites with continuous high-temperature environment above 125 ℃ and armored cable requirements
- Hazardous area industrial sites with ATEX/IECEx certification requirements
- OEM high-temperature heavy machinery manufacturing and industrial predictive maintenance condition monitoring systems
System Compatibility
- Fully compatible with Bently Nevada 3300 XL NSv series high-temperature proximitors, 990/991 series loop-powered transmitters
- Perfectly matches 3500 Series, 1701 Series FieldMonitor, 2300 Series standalone monitoring systems
- Seamlessly connects to System 1 diagnostic analysis platform, PLC, DCS and SCADA control systems
- Fully complies with API 670 international machinery protection standard requirements





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