Product Short Description
This probe adopts high-frequency eddy current induction measurement principle, realizes non-contact dynamic gap displacement detection between probe tip and large-diameter metal rotating shaft surface. It outputs stable DC gap voltage signal and dynamic AC vibration signal. This model features 18 mm large probe diameter, 1.8 meters integrated standard non-armored shielded cable, ultra-wide linear range, high signal strength, excellent stability and strong anti-interference performance. It fully complies with API 670 international machinery protection standards. It serves as the primary sensing unit for large shaft radial vibration, axial thrust position, shaft eccentricity and differential expansion monitoring of heavy-duty large-scale critical rotating machinery.
Description
Basic Identification Parameters
- Brand: Bently Nevada
- Part Number: 330173-10-18-10-02-00
- Product Series: 3300 XL NSv Proximity Probe
- Probe Tip Diameter: 18 mm
- Origin: United States
- Product Weight: 220 g
- Factory Warranty Period: 12 months original factory warranty
- Probe Housing Material: 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: M20×1 External Thread
- Integrated Cable Total Length: 1.8 meters
- Cable Structure: Double-shielded twisted pair industrial dedicated signal cable (non-armored standard type)
- Cable Outer Sheath Material: High-temperature halogen-free flame-retardant polyurethane
- Terminal Connection: Integrated flying lead cable termination
- Minimum Measurable Target Diameter: 45 mm
- Applicable Target Material: Ferromagnetic carbon steel, alloy steel, stainless steel large shaft materials
- Probe Tip Material: High-temperature resistant engineered polymer
Electrical & Measurement Specifications
- Measurement Principle: High-Frequency Eddy Current Non-Contact Induction
- Nominal System Sensitivity: 3.94 mV/μm (100 mV/mil) ±5% Full Scale
- Effective Linear Measurement Range: 0.5 mm – 3.0 mm (20 – 120 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
- Sensitivity Temperature Drift: ≤±3% within full operating temperature range
Environmental Specifications
- Operating Temperature Range: -40 ℃ to +125 ℃
- Storage Temperature Range: -55 ℃ to +150 ℃
- 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, chemical corrosion-resistant
Core Functional Features
- 18 mm Extra Large-Diameter XL NSv Probe Design
Largest standard probe size in XL NSv series, provides ultra-wide 0.5–3.0 mm linear measurement range, higher signal amplitude, stronger anti-interference ability and better adaptability for large clearance large-diameter shafts.
- 1.8 m Integrated Standard Shielded Cable
Built-in 1.8 meters double-shielded non-armored cable, eliminates external extension cable connection points, reduces signal attenuation and fault points, suitable for short-distance on-site direct installation.
- IP68 Fully Hermetic Sealed Construction
316L stainless steel housing + full 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-Low Temperature Drift Stability
Maintains stable sensitivity under wide temperature fluctuations, ensures accurate measurement in high-temperature and low-temperature extreme working conditions.
- Dual-Shielded Anti-Interference Architecture
Complete electromagnetic shielding fully suppresses industrial electromagnetic interference and ground loop noise.
- Optimized Low Sensitivity Setting
3.94 mV/μm sensitivity matches large gap working conditions, avoids signal saturation under large shaft displacement variation.
- Full Original System Compatibility
Original matching design, seamless connection with all Bently Nevada proximitors, transmitters and monitoring systems.
Applicable Application Scenarios
- Thermal power plants: Large steam turbines, heavy-duty gas turbines, turbo-generator large main shaft monitoring
- Petroleum & petrochemical industry: Large centrifugal compressors, heavy-duty process pumps, large fans, offshore platform heavy rotating machinery
- Chemical industry: Extra-large high-speed compressors, heavy-duty reciprocating machinery, large heavy-duty high-speed gearboxes
- Metallurgy, cement & mining industry: Large rotary kilns, heavy grinding mills, large heavy-duty fans, extra-large rotating equipment
- Water conservancy & wastewater treatment: Extra-large vertical circulating pumps, heavy-duty large pump units
- Marine industry: Ship large main propulsion machinery and auxiliary heavy rotating power equipment
- Industrial sites with large shaft clearance and large-diameter shaft monitoring requirements
- Hazardous area industrial sites with ATEX/IECEx certification requirements
- OEM heavy machinery manufacturing and industrial predictive maintenance condition monitoring systems
System Compatibility
- Fully compatible with Bently Nevada 3300 XL NSv series 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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