Description

Bently Nevada 330877-080-36-00 3300 XL 50 mm Extension Cable

Configured for proximity signal transmission in the 3300 XL 50 mm Proximity Transducer System, the Bently Nevada 330877-080-36-00 (330877 3300 XL 50 mm Extension Cable) provides direct electrical connection between the proximity probe and Proximitor sensor.

Hardware Specifications

Parameter	Specification
Model	330877-080-36-00
Brand	Bently Nevada
Product Type	3300 XL 50 mm Extension Cable
Origin	USA
Weight	0.94 kg
Dimensions	28 x 28 x 3 cm (estimated shipping size)
Operating Temp	-51 deg C to +200 deg C
Storage Temp	-51 deg C to +200 deg C
Power Consumption	Passive cable assembly, no external power consumption
Cable Length	8.0 meters (26.2 feet)
Cable Type	FluidLoc cable
Armor and Cable Option	FluidLoc cable
Agency Approval	No approvals
Characteristic Impedance	75 Ohm +/- 2%
Cable Insulation Material	Perfluoroalkoxy (PFA)
Shielding Construction	Triaxial shielded construction
Typical Capacitance	69.9 pF/m (21.3 pF/ft)
Application System	3300 XL 50 mm Proximity Transducer System

Eddy-Current Signal Transmission and Rotor Dynamics Interface

The 330877-080-36-00 extension cable transfers eddy-current proximity signals between the 3300 XL 50 mm probe and the Proximitor sensor. Therefore, it maintains the electrical characteristics required for shaft displacement and vibration measurement circuits.

The cable supports Bently Nevada proximity measurement systems that apply probe scaling and gap voltage validation methods. In addition, the triaxial shielded construction reduces external electrical interference and improves signal stability in rotor dynamics monitoring circuits.

The FluidLoc cable structure prevents fluid migration along the cable path. Furthermore, the PFA insulation material supports continuous operation across the specified temperature range for rotating machinery monitoring installations.

Frequently Asked Questions

Q: What equipment does the 330877-080-36-00 cable connect?
A: The cable connects a 3300 XL 50 mm proximity probe to a compatible 3300 XL 50 mm Proximitor sensor within the proximity transducer system.

Q: Does the 330877-080-36-00 require an external power supply?
A: No. The extension cable is a passive signal transmission component and does not consume external electrical power.

Q: What shielding method does this extension cable use?
A: The cable uses triaxial shielded construction to control electromagnetic interference and maintain proximity signal integrity.

Field Installation Guidelines

• Install the extension cable according to the 3300 XL Proximity Transducer System wiring requirements.
• Maintain separation between the extension cable and high-current power cables to reduce electromagnetic interference.
• Connect cable shielding according to the approved system grounding practice for the monitoring rack and sensor circuit.
• Avoid sharp bending, mechanical stress, and damage to the FluidLoc cable outer structure during installation.
• Verify probe, extension cable, and Proximitor sensor compatibility before commissioning the vibration monitoring loop.
• Confirm gap voltage and signal output values during startup to validate correct probe installation and measurement performance.

Specifications

• Brand: Bently Nevada

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems