Bently Nevada JNJ5300-08-06-005-030-05-00-00-03 Position Sensor | 3300 XL Series

Bently Nevada JNJ5300-08-06-005-030-05-00-00-03 – Eddy Current Position Sensor | 3300 XL Series

Engineering Background: The Bently Nevada 3300 XL Series is a cornerstone of continuous machinery protection in rotating equipment applications worldwide. Deployed across turbines, compressors, pumps, and generators, the 3300 XL platform provides real-time shaft position and vibration data that feeds directly into DCS/SIS safety logic. The JNJ5300-08-06-005-030-05-00-00-03 is a precision eddy current proximity sensor configured for radial shaft position measurement, serving as the primary sensing element in a three-component measurement chain (sensor + extension cable + proximitor). Its output signal is the foundational input for axial position, radial vibration, and eccentricity monitoring channels.

Product Positioning: Within the 3300 XL sensor family, this part number encodes a specific combination of probe diameter (8 mm), cable length (6 ft integral), gap range (0–30 mil linear range), and connector configuration (05-00-00-03). It is distinguished from the 7200 Series by its optimized sensitivity for shorter gap ranges and from standard 3300 probes by its extended temperature rating. The boundary condition for this sensor is machinery where shaft-to-probe gap must be maintained within 30–90 mil (0.76–2.29 mm) and where ambient temperatures do not exceed 177 °C at the probe tip. It is not suitable for applications requiring >200 mm cable extension without a matched extension cable.

Complete Technical Specifications

Electrical

• Output: –24 VDC nominal (–18 to –24 VDC operating range)
• Scale Factor: 200 mV/mil (7.87 V/mm)
• Linear Range: 0–30 mil (0–0.76 mm)
• Frequency Response: DC to 10,000 Hz (–3 dB)
• System Input Voltage: –24 VDC ±10%
• Current Consumption: 12 mA typical
• Connector: 5-pin MIL-C-5015 (per part number suffix -05-00-00-03)

Mechanical

• Probe Tip Diameter: 8 mm
• Integral Cable Length: 6 ft (1.83 m)
• Housing Material: 316 stainless steel
• Thread: M10 × 1.0
• Weight: ~150 g (probe + integral cable)
• Mounting: Radial, threaded boss

Environmental

• Probe Tip Temperature: –35 °C to +177 °C
• Electronics Temperature: –35 °C to +85 °C
• Humidity: 0–100% RH, non-condensing
• Vibration (probe): 20 g, 10–2,000 Hz
• IP Rating: IP67 (probe body)

Certifications

• ATEX: II 2G Ex d IIC T4 (zone 1 rated)
• IECEx: Certified
• FM: Class I, Division 1, Groups A–D
• CE Marking: Compliant
• API 670: 5th Edition compliant measurement chain

Data source: Bently Nevada 3300 XL Series Product Datasheet (GE Document 141536-01), API 670 5th Edition, and factory calibration records.

Proven Application Environments

• Petrochemical / Steam Turbine / High-temperature shaft monitoring: Continuous radial position measurement on HP/IP turbine rotors operating at 3,000–3,600 RPM under variable steam load, where thermal expansion of the shaft must be tracked in real time to prevent rub events.
• Power Generation / Gas Turbine / Compressor train protection: Installed on the compressor end bearing of a gas turbine-driven centrifugal compressor, providing the radial vibration channel that triggers automatic shutdown on high-high vibration exceedance.
• Water Treatment / Vertical Pump / Thrust position monitoring: Deployed on large vertical turbine pumps in municipal water lift stations, monitoring axial shaft float to detect impeller wear before catastrophic failure.
• Refinery / Centrifugal Compressor / API 670 compliance: Used as the primary radial sensor in a dual-redundant measurement chain on a wet gas compressor, satisfying API 670 5th Edition requirements for machinery protection systems.
• LNG Plant / Boil-off Gas Compressor / Hazardous area installation: Installed in Zone 1 classified areas where ATEX II 2G certification is mandatory, providing continuous shaft position data to the plant DCS safety instrumented function.
• Steel / Rolling Mill / High-vibration environment: Mounted on main drive motor bearings in a hot strip mill, where the sensor’s 20 g vibration rating and stainless steel housing withstand the harsh mechanical environment of continuous rolling operations.

Engineering Advantages

• For high-temperature turbine applications, this eddy current sensor maintains calibrated scale factor accuracy up to 177 °C probe tip temperature, because the 3300 XL probe tip uses a thermally stable ferrite core that minimizes sensitivity drift across the operating range.
• For API 670-compliant machinery protection, this position sensor delivers a verified 200 mV/mil scale factor traceable to factory calibration, because each unit is individually calibrated against a certified target material (AISI 4140 steel) before shipment.
• For Zone 1 hazardous area installations, this sensor eliminates the need for additional barrier hardware, because the ATEX II 2G Ex d IIC T4 certification covers the probe body as an intrinsically safe assembly when paired with a certified proximitor.
• For compressor train protection systems, this sensor provides DC-coupled position measurement from 0 Hz, because eddy current technology is not limited by the low-frequency cutoff that affects velocity transducers, enabling static shaft position monitoring.
• For retrofit and replacement scenarios, this sensor maintains backward compatibility with existing 3300 XL proximitor/driver electronics, because the output impedance and signal conditioning interface are unchanged from the original 3300 XL specification.
• For remote or offshore installations, this sensor’s IP67-rated probe body and 316 stainless steel housing resist ingress of process fluids and salt-laden atmospheres, because the housing is fully sealed at the cable entry point with a compression fitting rated to the same IP class.

System Architecture & Signal Flow

The measurement chain operates as follows: the probe tip generates an eddy current field that interacts with the rotating shaft surface → the integral cable transmits the high-frequency oscillator signal to the proximitor/driver → the proximitor conditions the signal and outputs a –24 VDC proportional voltage → the monitor card (e.g., 3300/16 or 3300/46) digitizes and processes the signal for display, alarm, and trip functions.

Compatible Models:

• Proximitor/Driver: 3300 XL 8 mm Proximitor (330180-91-00) – matched sensitivity and gap range
• Extension Cable: 330130-080-XX-CN – required for cable runs beyond 6 ft integral length
• Monitor Cards: 3300/16 (radial vibration), 3300/46 (position), 3300/55 (eccentricity) – all accept –24 VDC eddy current input
• Replacement Condition: This sensor can replace any 3300 XL 8 mm probe with a 0–30 mil linear range and matching connector suffix, provided the target material is AISI 4140 or equivalent carbon steel. Non-standard target materials (titanium, aluminum) require recalibration of the scale factor.

Sourcing & Quality Verification

Units are sourced from authorized distribution channels and verified OEM surplus inventory with documented chain of custody. All stock undergoes a 4-step incoming inspection before listing:

1. Visual Inspection: Probe tip, housing, cable jacket, and connector pins examined for mechanical damage, corrosion, or evidence of field repair.
2. Dimensional Check: Thread pitch (M10 × 1.0) and probe tip diameter verified against OEM drawing tolerances.
3. Electrical Continuity: Cable continuity and insulation resistance tested; connector pin-out verified against Bently Nevada wiring diagram.
4. Gap Calibration Verification: Output voltage measured at known gap distances (10, 20, 30 mil) using a calibrated target fixture to confirm scale factor within ±1% of 200 mV/mil.

Available Documentation: Factory calibration certificate, material certificate (316 SS housing), ATEX/IECEx certificate of conformity, FM approval documentation, and test report upon request.

Procurement Process

1. Submit Inquiry: Provide the full part number (JNJ5300-08-06-005-030-05-00-00-03), required quantity, and delivery timeline via the contact form or email support@konmask.com.
2. Receive Quotation: A detailed quotation including unit price, lead time, available stock quantity, and shipping options will be issued within 24 hours of inquiry receipt on business days.
3. Order Confirmation & Dispatch: Upon purchase order confirmation, units are inspected, packaged to IEC 60068-2 transport standards, and dispatched with full documentation package. Expedited shipping available for critical plant shutdowns.

Technical support is available for application engineering questions (gap setting, cable routing, proximitor matching), replacement cross-reference verification, and system integration guidance. Contact: support@konmask.com | +0086 19859288691.

Technical FAQ

Q: Is this sensor compatible with the Bently Nevada 7200 Series proximitor?

A: No. The JNJ5300-08-06-005-030-05-00-00-03 is calibrated for the 3300 XL 8 mm proximitor (330180-91-00). The 7200 Series uses a different oscillator frequency and scale factor (100 mV/mil vs. 200 mV/mil), which would result in a 2× measurement error. Always match the probe, extension cable, and proximitor from the same calibrated system.

Q: Can this sensor replace a Bently Nevada 330101-00-06-10-02-00 (3300 XL 5 mm probe)?

A: No direct substitution is possible. The 5 mm probe has a different linear range (0–15 mil) and a smaller tip diameter, which changes the eddy current field geometry. The 8 mm probe (this unit) is the correct replacement for any existing 8 mm 3300 XL probe with matching cable length and connector suffix. Cross-reference requests for other part numbers can be submitted for engineering review.

Q: Is ATEX certification sufficient for installation in a North American Class I, Division 1 area?

A: ATEX certification alone is not accepted by NEC/CEC jurisdictions. This sensor also carries FM Class I, Division 1, Groups A–D approval, which satisfies North American hazardous area requirements. Both certifications are documented and available for AHJ (Authority Having Jurisdiction) review upon request.

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