AMIKON LIMITED
| Payment Terms | T/T |
| Supply Ability | in stock |
| Delivery Time | 2-3 work days |
| Packaging Details | Brand new and original |
| Model | 76683-50 |
| Country of origin | USA |
| Place of shipment | Xiamen,China |
| Shipping | TNT, DHL, FedEx, EMS, UPS |
| MOQ | 1 piece |
| Packaging | Original new packaging |
| Expected shipping dimensions | 6x5x8cm |
| Weight | 0.3 kg |
| Brand Name | Bently Nevada |
| Model Number | 76683-50 |
| Place of Origin | USA |
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Product Specification
| Payment Terms | T/T | Supply Ability | in stock |
| Delivery Time | 2-3 work days | Packaging Details | Brand new and original |
| Model | 76683-50 | Country of origin | USA |
| Place of shipment | Xiamen,China | Shipping | TNT, DHL, FedEx, EMS, UPS |
| MOQ | 1 piece | Packaging | Original new packaging |
| Expected shipping dimensions | 6x5x8cm | Weight | 0.3 kg |
| Brand Name | Bently Nevada | Model Number | 76683-50 |
| Place of Origin | USA | ||
| High Light | Bently Nevada 76683-50 steam turbine monitoring ，76683-50 Proximitor Sensor differential expansion monitor ，Bently Nevada 35mm Proximity Sensor Bently Nevada 3300 Series | ||
The Bently Nevada 76683-50 is a premium 35 mm proximity sensor designed for non-contact distance measurement in industrial rotating machinery. This rugged machinery protection sensor operates on eddy current principle, optimized for differential expansion monitoring and axial thrust position measurement in large steam turbine generators and centrifugal compressors.
During urgent maintenance, Amikon delivered replacement PLCs, HMIs, and sensors the same day, plus guided installation so the line restarted without production loss.
A multi-plant upgrade was smooth thanks to Amikon coordinating shipments so each line got the correct components exactly when needed.
Amikon supplied a full automation kit for our new assembly cell, and their advice on wiring and layout saved us days of setup.
Contact: Miya Zheng
Email: sales@amikon.cn
WhatsApp: +86 180 2077 6792
The Bently Nevada 76683-50 is a 35 mm Proximitor Sensor based on eddy current operation, typically used in turbine protection setups rather than general industrial sensing.
In practice, it shows up in steam turbine monitoring, especially on large generator trains where differential expansion monitor and axial thrust position measurement are part of the routine protection loop. It basically sits inside the TSI (Turbine Supervisory Instrumentation) chain, helping track non-contact distance measurement between rotor and casing. Nothing overly complicated on site, but it plays a key role in avoiding internal contact issues in big rotating machines.
The “-50” part is mainly about system length calibration. It means the 76683-50 is matched for a 5-metre electrical system length. So the probe + extension cable combination needs to land around that value for correct scaling. If the system is designed for something longer, like a 9-meter setup, then the 76683-90 version is normally used instead. In real installations, people usually treat this as a fixed matching rule rather than a flexible option, because wrong length pairing can affect measurement accuracy.
The 76683-50 works across both legacy and newer platforms. It’s commonly used in Bently Nevada 3300 Series setups as a 3300 XL proximity system interface, and it also integrates into Bently Nevada 3500 machinery protection systems, especially with the 3500/40M Proximitor Monitor. On the signal side, it supports typical conditioned outputs used in machinery protection sensor architectures, feeding into rack-based monitoring modules for continuous vibration and displacement tracking. In most plant configurations, it also connects into System 1 condition monitoring for higher-level diagnostics.
When sourcing a Bently Nevada 76683-50 replacement part, the main thing is matching the exact configuration, especially the 35 mm proximity sensor 5m setup. If the length or calibration differs, the system may need re-adjustment. In field use, people usually go for a direct Bently Nevada 76683-50 replacement, mainly to avoid reworking the whole loop inside the Bently Nevada 3300 series proximity sensor interface chain. Keeping it consistent also matters for long-term critical asset protection, especially in power plant instrumentation and steam turbine generator monitoring and protection environments. That’s where most of these sensors end up working anyway, inside heavy-duty rotating machinery systems where downtime is expensive.
| Part Number | Part Number |
|---|---|
| 3500/72M 176449-08 | 330104-19-25-10-11-05 |
| 3500/62 163179-03 | 330103-00-05-10-02-05 |
| 3500/40M 140734-01 | 330103-00-18-05-02-05 |
| 330500-02-00 | 330130-045-02-05 |
| 135137-01 | 330101-00-08-05-02-05 |
| 149992-02 | 330130-085-00-05 |
| 147663-01 | 125388-01 |
| 3500/94 145988-01 | 128275-01/128275-01F 130944-01 |
| 140482-01 | 330780-91-00 |
| 330500-00-20 | 330103-00-14-10-01-00 |
| 170133-090-00 | 330730-080-02-00 |
| 3500/32M 149986-02 | 330104-05-13-10-02-00 |
| 1900/65A 172323-01 | 3500/23E |
| 330180-X0-05 | 3500/15E |
| 125720-01 | 136711-01 |
| 125760-01 | 330703-000-040-10-11-00 |
| 125768-01 | 330705-02-18-10-02-00 |
| 128229-01 | 330703-000-070-10-02-00 |
| 128240-01 | 330101-10-27-05-02-05 |
| 133396-01 | 330878-50-00 |
Company Details
Business Type:
Trading Company
Year Established:
2004
Total Annual:
85682000-125000000
Employee Number:
70~80
Ecer Certification：
Verified Supplier
Company Profile Amikon Limited specializes in the global supply of industrial automation module spare parts. The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems. Product scope includes: ➢Distr... Company Profile Amikon Limited specializes in the global supply of industrial automation module spare parts. The company focuses on well-known international brands covering DCS systems, robot control systems, and large-scale servo control systems. Product scope includes: ➢Distr...
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