Product Overview

• PN: 330100-90-00
• Brand: Bently Nevada (Baker Hughes)
• Series: 3300 Standard Proximitor System
• Type: 8mm proximity proximitor sensor
• System total length: 9m
• Used to convert eddy current probe gap variation into standard DC voltage signal, realizes non-contact measurement of shaft radial vibration, axial thrust displacement and keyphasor rotational speed for large rotating equipment, matches 8mm series proximity probes and extension cables

Core Features

• Standard 7.87V/mm sensitivity, stable linear output within 0-2mm measuring range
• Microdot interface for quick connection with triaxial extension cable, supports same-series interchange without recalibration
• Compact panel mounting structure, convenient for cabinet fixed installation
• Built-in hardware fault diagnosis function to detect probe open circuit, short circuit and wiring abnormal status
• Excellent EMI/RFI anti-interference performance, ensures accurate signal transmission under complex industrial electromagnetic environment
• Terminal screw wiring design, reliable connection for -24VDC power supply and signal output

Technical Specs

• Compatible probe size: 8mm
• Nominal sensitivity: 7.87V/mm (200mV/mil)
• Linear measuring range: 0–2mm
• Power supply: -18VDC ~ -26VDC, typical -24VDC
• System overall cable length: 9m
• Operating temperature: -40℃~+85℃
• Dimension: 80 × 61 × 63.5mm
• Net weight: 0.25kg
• HS Code: 85437090
• Certification: CE certified

Compatibility

• Matched accessories: 3300 XL 8mm proximity probes, 330130 series 50Ω triaxial extension cables
• Applicable monitoring equipment: Bently 3500 series rack protection system, 1900 standalone vibration monitor
• Not compatible: 5mm proximity transducer system, NSv small-size proximity sensor series

Application

• Bearing radial vibration and axial displacement online monitoring for steam turbines, centrifugal compressors and generators
• Keyphasor speed signal acquisition for unit overspeed safety interlock protection
• Vibration fault diagnosis and equipment predictive maintenance in thermal power, petrochemical and metallurgical industries
• Spare replacement for faulty proximitors causing monitoring data drift and signal loss

Our Advantage

• Full sensitivity calibration, cable continuity and insulation performance test completed before delivery
• 12-month warranty for new original and surplus tested spare parts
• Global DHL, Fedex door-to-door delivery, FOB Xiamen available
• Free technical support for probe gap calibration, wiring debugging and signal fault troubleshooting