2789-144 · Bently Nevada Extension Cable for 3000 Series
Manufacturer: Bently Nevada · Made in U.S.A. · No Armor
Product Description
2789-144 is a non-armored extension cable for Bently Nevada 3000 series systems.
It supports 15 ft system lengths with a 144-inch cable.
The cable uses coaxial Tefzel insulation for abrasion resistance.
It features ProxMatch color and alphanumeric coding for each series.
Technical Specifications
| Brand | Bently Nevada |
| Model No. | 2789-144 |
| Product Type | Extension Cable for 3000 Series |
| System Length | 15 ft |
| Cable Length | 144 in (3.66 m) |
| Weight | 0.30 lbs (0.14 kg) |
| Probe Tip Material | Ryton |
| Probe Case Material | Series 300 SS (smooth case) |
| Cable Insulation | Tefzel (abrasion resistant) |
| Cable Impedance | 50 Ω |
| Connector Type | Gold-plated brass hex connectors |
| Connector Torque | Finger tight + 1/8 turn with wrench |
| Tensile Strength | 75 lbf (case to lead) · 60 lbf (pigtail & connectors) |
| Min Bend Radius | 1 inch (without armor) |
| Target Material | 4140 steel (standard) |
| Temperature Range | -40°C to +177°C (-40°F to +351°F) |
| Relative Humidity | 100% condensing (non-submersible) |
| Armor | None (non-armored) |
Measurement & Performance
- Frequency response: DC to 10 kHz (compatible with 3000 series)
- Sensitivity: Matches ProxMatch coding for system accuracy
- Linearity: Within ±0.5% of full scale (system dependent)
- Resolution: 0.01 µm (digital with compatible monitor)
- EMI/RFI immunity: Tefzel insulation and 50 Ω impedance reduce interference
Installation & Compatibility
- Mounting: Connect hex connector to probe or extension. Finger tight then 1/8 turn with wrench.
- Compatibility: Designed for 3000 series proximity systems with 15 ft length.
- System integration: Works with Bently Nevada 3000 monitors and probes.
- Retrofit: Replaces existing 2789 series cables without modification.
- Debugging: ProxMatch color coding helps verify correct cable installation.
Certifications
- CSA certified for industrial use
- CE compliant (EMC directive)
- RoHS compliant materials
Diagnostic Capability & Applications
Diagnostics: Transmits probe signal for vibration and position monitoring. Detects shaft displacement, bearing wear, and imbalance in rotating machinery.
Typical applications: Turbomachinery, compressors, pumps, fans, and generators in oil & gas, power, and heavy industry.
Package Contents & Warranty
- 1x 2789-144 Extension Cable (144 in, no armor)
- Installation and safety instruction sheet
12-month warranty
Warranty covers manufacturing defects. Technical verification before shipment.
FAQ – Quick Answers
- Q: Is this cable armored? No, this is the non-armored version.
- Q: What is the cable impedance? 50 Ω, standard for 3000 series.
- Q: Can I use this with a 3300 series system? No, it is specifically for 3000 series.
- Q: What is the maximum temperature? 177°C (351°F).
- Q: Does it include connectors? Yes, gold-plated brass hex connectors on both ends.
Why Oiltech Controls?
- 15+ years in industrial automation spares
- Global shipping support – FedEx, UPS, DHL available
- Tested industrial surplus / refurbished options
- 12-month warranty and technical verification prior to dispatch
- Support for obsolete control systems (e.g. 3000, 3300 series)
Inquiries:
info@oiltechcontrols.com ·
+86 158 8020 0923 (WhatsApp)
Shipping: FedEx, UPS, DHL – worldwide express.
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Original Source: https://www.oiltechcontrols.com/
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