Bently Nevada CB2W100-125 Interconnect Cable – Proximity Transducer Signal Transmission | 3500 Series Platform
Engineering Background
The CB2W100-125 is a factory-specification interconnect cable engineered by Bently Nevada for use within the 3500 Series Machinery Protection System. Designed to maintain signal integrity between proximity transducers and monitoring rack modules, this cable is a critical link in continuous vibration and position monitoring architectures deployed across rotating machinery in power generation, oil & gas, and heavy industrial environments.
Product Positioning
As a direct OEM-equivalent replacement, the CB2W100-125 eliminates field-fabrication risk and ensures compliance with Bently Nevada’s signal chain specifications. Procurement engineers sourcing for planned maintenance, system commissioning, or emergency spares will find this cable immediately deployable without re-calibration or system re-qualification.
Complete Technical Specifications
| Part Number | CB2W100-125 |
| Manufacturer | Bently Nevada (Baker Hughes) |
| Compatible Platform | 3500 Series Machinery Protection System |
| Cable Type | 2-Wire Shielded Interconnect Cable |
| Nominal Length | 100 ft (30.48 m) |
| Conductor Configuration | 2-conductor, twisted pair with drain wire |
| Shield Type | Foil + braid, 95% coverage |
| Connector Type | MIL-spec bayonet / BNC-compatible (per system config) |
| Operating Temperature | -40°C to +85°C |
| Dielectric Strength | Per Bently Nevada OEM specification |
| Application | Eddy-current proximity transducer signal routing |
| Weight | Approx. 80 g (cable assembly) |
| Country of Origin | USA |
| Condition | New / Surplus New |
Proven Application Environments
- Gas turbine and steam turbine vibration monitoring systems
- Centrifugal compressor shaft displacement measurement
- Pump and motor bearing condition monitoring
- Rotating machinery protection racks (3500/20, 3500/22, 3500/25 modules)
- Offshore platform and refinery critical machinery trains
- Power plant balance-of-plant monitoring infrastructure
Engineering Advantages
- OEM Signal Integrity: Manufactured to Bently Nevada’s exact impedance and capacitance specifications — no field-calibration required after installation.
- EMI/RFI Immunity: Dual-layer shielding (foil + braid) suppresses interference in high-noise industrial environments.
- Plug-and-Play Replacement: Direct drop-in for existing 3500 Series installations; no wiring modification needed.
- Temperature Resilience: Rated for extreme ambient conditions from arctic cold to tropical heat.
- Reduced Downtime Risk: Stocking this cable as a critical spare eliminates lead-time exposure during unplanned outages.
System Architecture & Signal Flow
In a standard Bently Nevada 3500 deployment, the CB2W100-125 routes the raw eddy-current signal from the proximity probe tip (mounted at the machine casing) through the extension cable to the proximitor/oscillator driver, and then via this interconnect cable to the 3500 rack input module. The cable’s controlled impedance and shielding preserve the high-frequency carrier signal (typically 200 kHz) with minimal attenuation, ensuring accurate gap voltage and dynamic vibration readings at the monitor module.
Signal path: Probe → Extension Cable → Proximitor → CB2W100-125 Interconnect Cable → 3500 Rack Module → DCS/SCADA
Sourcing & Quality Verification
- All units sourced from authorized distributors or verified OEM surplus channels.
- Physical inspection performed: connector integrity, jacket condition, shield continuity.
- Traceability documentation available upon request (lot records, COC).
- Compatible with Bently Nevada 3500 Series system qualification requirements.
- Konmask.com specializes in industrial automation components with rigorous incoming inspection protocols.
Procurement Process
- Confirm part number CB2W100-125 matches your system BOM or existing cable label.
- Verify required quantity and lead-time requirements with our team.
- Submit PO or request a formal quotation via support@konmask.com.
- Expedited shipping available for critical maintenance windows — contact us to arrange.
- Bulk pricing available for MRO stocking orders of 5+ units.
Technical FAQ
Q: Is CB2W100-125 compatible with the 3300 Series system?
A: The CB2W100-125 is specified for the 3500 Series platform. Compatibility with 3300 Series depends on connector and impedance matching — contact our engineers to verify before ordering.
Q: Can this cable be cut to a shorter length in the field?
A: Field-trimming is not recommended as it may affect the calibrated signal path length and connector termination integrity. Custom-length cables are available — inquire for lead time.
Q: What is the difference between an extension cable and an interconnect cable?
A: The extension cable runs from the probe tip to the proximitor. The interconnect cable (CB2W100-125) runs from the proximitor output to the 3500 rack module input — these are distinct, non-interchangeable components.
Q: Do you provide a Certificate of Conformance?
A: Yes. COC documentation is available upon request for all units. Contact support@konmask.com.
Q: What is the lead time for in-stock units?
A: In-stock units typically ship within 1–2 business days. Contact us to confirm current availability.
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