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Bently Nevada 21508-02-12-05-02 Reverse mounting probe

Brand:ABB PLC
Item No.:21508-02-12-05-02
Product Origin:Sweden
Product Dimensions:0.5m
Product Weight:0.59 kg
Payment:T/T, Western Union, Credit Card
Goods_stock:15
Shipping Port:Xiamen, China
Lead Time:1-3 Days
Condition:Brand New And Original
Warranty:1 Year
Certificate:COO
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21508-02-12-05-02-121508-02-12-05-0221508-02-12-05-02 321508-02-12-05-02-321508-02-12-05-02-321508-02-12-05-02-2

Introduction

The Bently Nevada 21508‑02‑12‑05‑02 Reverse Mounting Probe is a precision contact sensor designed for industrial machinery vibration and position measurement. As part of Bently Nevada’s trusted proximity probe lineup, this model is engineered specifically for reverse or inverted installation orientations — enabling reliable shaft position monitoring in applications where standard probe mounts cannot be used.

Built for harsh industrial environments and continuous operation, this probe supports accurate data capture that feeds into condition monitoring and protection systems, helping detect early signs of mechanical issues such as unbalance, misalignment, or rub conditions.

Technical Specifications

SpecificationDetails
Model Number21508‑02‑12‑05‑02
Product TypeReverse Mounting Proximity Probe
Sensor FamilyBently Nevada 3300 Series
Sensing MethodEddy‑current displacement sensing
Mount OrientationReverse / inverted installation
Probe StyleRod‑style sensing tip
Tip MaterialHardened stainless steel
Housing MaterialIndustrial‑grade metal alloy
CableShielded multi‑conductor industrial cable
ConnectorMIL‑style 12‑pin compatible with 3300 systems
Operating TemperatureIndustrial ambient range
Storage TemperatureExtended industrial range
Vibration ResistanceRated for rotating machinery
MountingReverse mount configuration
WeightApprox. 0.35 kg (varies with cable length)


Applications

The 21508‑02‑12‑05‑02 probe is ideal for situations where standard probe installations are impractical, including:

  • Constrained Mounting Spaces — Reverse mounting where direct radial access is unavailable

  • Reverse‑Facing Shaft Proximity — Monitoring shaft position in inverted configurations

  • Industrial Rotating Machinery — Turbines, generators, compressors, and pumps

  • Process Plants — Petrochemical, power generation, and refining facilities

  • Condition Monitoring Systems — Feeding real‑time data to 3300 series monitoring hardware

Reverse mounting capability enhances flexibility in locating probes while maintaining measurement integrity.


Advantages

  • Reverse Installation Capability – Engineered for inverted or restricted access probe mounting.

  • High‑Accuracy Sensing – Provides stable and precise displacement/vibration data.

  • Industrial‑Grade Construction – Withstands vibration, shock, and ambient plant conditions.

  • Shielded Cable Output – Minimizes electrical interference for reliable signal transmission.

  • Seamless System Integration – Works with Bently Nevada 3300 probe drivers and protection systems.

This combination of flexibility and durability makes the 21508‑02‑12‑05‑02 ideal for complex machinery layouts where standard probe orientations are not feasible.


Technical FAQs

1. What does “reverse mounting” mean?
It indicates the probe is designed to be installed in inverted or constrained orientations, such as pointing downward or from behind a shaft.

2. What systems is this probe compatible with?
It integrates with Bently Nevada 3300 series vibration and position monitoring systems.

3. What connector type does it use?
A MIL‑style 12‑pin connector compatible with 3300 system probe drivers.

4. Is the cable shielded?
Yes — a shielded cable protects the signal from electrical noise.

5. What environments can this probe operate in?
It is designed for industrial ambient conditions, including vibration and moderate temperature ranges.

6. How is it mounted?
It uses specialized reverse or inverted mount hardware to face the shaft from constrained positions.

7. What maintenance does it require?
Periodic calibration and inspection help ensure long‑term accuracy.

8. Does this probe measure vibration?
It measures displacement, which can be used to derive vibration information.

9. Can it be used outdoors?
Yes, with appropriate environmental protection (e.g., conduit, sealed housings).

10. What kinds of machinery benefit most from this probe?
Rotating equipment with limited space or inverted shaft access — such as turbines, large motors, and compressors.


Sales and Business Development

Phone: +8617350837383
E-mail: [email protected]
Skype: +8617350837383
WhatsApp: +8617350837383
Business hours: We Provide Online Support 24/7
Address: Room 1001, Jiuzhou Commercial Building, Xiamen, Fujian Province, China

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