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In Stock
Ships by Monday, August 17
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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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Technical specifications for 128987-130-02-05
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Product Model128987-130-02-05
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Product Parameters3300 XL 8MM Proximity Sensor
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Tariff Code8537101190
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Country of originUSA
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size7.8x3x6.2cm
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ManufacturerBently Nevada
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Weight0.25 kg
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Operating Voltage-18V to -26V DC
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Sensitivity200 mV/mil
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Gap Range0.5 to 2.5 mm
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Operating TemperatureStandard: -35°C to +125°C (Probe Tip)
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Cable Temperature-35°C to +150°C
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Humidity100% RH non-condensing
Description
The BENTLY NEVADA 128987-130-02-05 belongs to the proven 3300 XL 8 mm eddy current proximity transducer family. The probe is for continuous measurement of shaft vibration, shaft position, thrust position, and other dynamic displacement parameters on rotating equipment. As part of the complete transducer system, it delivers a signal proportional to the distance between the probe tip and the conductive target surface.
The BENTLY NEVADA 128987-130-02-05 operates together with a 3300 XL extension cable and 3300 XL Proximitor Sensor. The complete transducer system is engineered to provide high accuracy, excellent temperature stability, and full interchangeability between probes, extension cables, and Proximitor sensors without requiring individual component matching or bench calibration.
The BENTLY NEVADA 128987-130-02-05 utilizes non-contact eddy current sensing technology, eliminating mechanical contact with the rotating shaft. This measurement method minimizes component wear while providing reliable continuous monitoring under demanding industrial operating conditions. The probe is suitable for applications requiring precise radial vibration, axial position, differential expansion, or rotational speed measurements.
The BENTLY NEVADA 128987-130-02-05 operates together with a 3300 XL extension cable and 3300 XL Proximitor Sensor. The complete transducer system is engineered to provide high accuracy, excellent temperature stability, and full interchangeability between probes, extension cables, and Proximitor sensors without requiring individual component matching or bench calibration.
The BENTLY NEVADA 128987-130-02-05 utilizes non-contact eddy current sensing technology, eliminating mechanical contact with the rotating shaft. This measurement method minimizes component wear while providing reliable continuous monitoring under demanding industrial operating conditions. The probe is suitable for applications requiring precise radial vibration, axial position, differential expansion, or rotational speed measurements.
Information
Overview
Manuals
Application Notes
Product Applications
Probe Insertion and Mounting
Features:
- 3300 XL 8mm Platform
- Wide Operating Temperature Range
- Eddy Current Principle with Complete Interchangeability
- API 670 Compliance
The 128987-130-02-05 operates on the eddy current principle, where a matched Proximitor sensor drives a low-power Radio Frequency (RF) signal through the extension cable to a tiny coil embedded inside the probe tip. When a metallic, conductive shaft approaches this tip, it intercepts the electromagnetic field and induces eddy currents; the system detects the resulting power loss and transforms it into an output voltage precisely proportional to the gap.
The 128987-130-02-05 Bently Nevada PROXIMITY SENSOR PROBE may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 128987-130-02-05 PROXIMITY SENSOR PROBE Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The 128987-130-02-05 delivers a linear range of 12.7 mm (500 mils) with an output of 0.787 V/mm (20 mV/mil), ensuring reliable monitoring of axial movement caused by rotor and stator expansion differences. The probe supplies an AC signal compatible with the 3300 XL vibration monitoring system and is paired with a suitable Proximitor module
One of the key engineering advantages of the 128987-130-02-05 is its complete interchangeability: probes, extension cables, and Proximitor sensors of identical electrical lengths can be replaced individually without performing a manual bench re-calibration. The 128987-130-02-05 features a shielded flexible jacket cable that ensures high signal integrity and minimizes electromagnetic interference (EMI) in electrically noisy industrial environments. The probe supports an operating temperature range from approximately –40°C up to +120°C, making it suitable for demanding industrial conditions. The 128987-130-02-05 is API 670 certified for machinery protection systems and seamlessly integrates with Bently Nevada 3500 and ADAPT monitoring frameworks, enabling comprehensive asset protection strategies.
- Power Generation: Monitors steam, gas, and hydro-turbine generators for vibration and eccentricity
- Oil & Gas: Tracks dynamic behavior in compressors, pumps, and large motors
- Manufacturing: Assesses high-speed gearboxes and large industrial compressors
- Radial Vibration: Detects wear, unbalance, or misalignment on rotating shafts
- Axial Position: Measures rotor end-play against its thrust bearing
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Thread alignment: Screw the probe into a calibrated mounting hole or bracket, ensuring the thread pitch (typically 3/8-24 UNF) matches smoothly without cross-threading.
Target clearance: Position the probe tip perpendicular to the conductive target shaft, leaving a precise initial gap—normally adjusted to achieve a target center-range voltage of −10 V DC (typically spanning −9 V to −11 V DC depending on the linear operating range).
Locknut torque: Tighten the mechanical locknut gently while holding the probe body steady to lock the insertion depth in place without shifting the calibrated gap distance.
Alternative Names
128987-130-02-O5
128987-130-0Z-05
128987-130-O2-05
128987-13O-02-05
128987-I30-02-05
1289B7-130-02-05
12B987-130-02-05
1Z8987-130-02-05
I28987-130-02-05
128987 130 02 05
128987 130 02 O5
128987 130 0Z 05
128987 130 O2 05
128987 13O 02 05
128987 I30 02 05
1289B7 130 02 05
12B987 130 02 05
I28987 130 02 05
Technical notes
The BENTLY NEVADA 128987-130-02-05 is commonly installed on steam turbines, gas turbines, centrifugal compressors, pumps, motors, generators, and other critical rotating machinery. The 3300 XL system complies with API 670 requirements for applicable configurations and has become one of the most widely used proximity transducer systems in machinery protection applications.
FAQs
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What is the normal operating temperature range?
+The probe tip handles -35°C to +125°C, while associated cables endure up to +150°C. -
What is its primary function?
+It measures vibration, relative shaft position, and thermal growth in critical industrial machinery like turbines and compressors.
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