Brand:Bently Nevada PLC Item No.:89477-20 Product Origin:USA Product Dimensions:202 × 21 × 261 mm Product Weight:0.3 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
The Bently Nevada 89477-20 Velomitor Interconnect Cable is a purpose-built industrial interconnect solution engineered for vibration monitoring systems utilizing Velomitor piezo-velocity sensors. Designed to work with the 21128 Velocity Transducer Housing Assembly, it provides a stable electrical connection between field-mounted sensors and machinery protection equipment, ensuring dependable vibration signal transmission for critical rotating assets.
Constructed with a two-conductor 18 AWG twisted shielded cable and a right-angle sensor connector, the 89477-20 delivers excellent resistance to electrical interference while maintaining long-term reliability in demanding industrial environments. Its extended 20 ft cable length offers increased installation flexibility for larger machinery layouts and remote monitoring applications.
Technical Specifications
Specification
Details
Manufacturer
Bently Nevada
Model
89477-20
Product Type
Velomitor Interconnect Cable
Application
Velocity Sensor Signal Connection
Compatible Sensor
330500 Velomitor Piezo-Velocity Sensor
Compatible Housing
21128 Velocity Transducer Housing Assembly
Cable Length
20 ft (6.1 m)
Conductor Size
18 AWG
Conductor Configuration
Two-Conductor Twisted Pair
Shielding
Shielded Cable
Connector Type
Right-Angle Two-Socket Plug
Monitor End
Terminal Lugs
Signal Type
Velocity Sensor Output
Installation
Industrial Machinery Monitoring
Operating Temperature
-35°C to +105°C
Dimensions
Approx. 6100 × 8 × 8 mm
Weight
Approx. 0.24 kg
Recommended Companion Models
Model
Product Name
330500-02-00
Velomitor Piezo-Velocity Sensor
21128-01-01
Velocity Transducer Housing Assembly
3500/42M
Proximitor/Seismic Monitor Module
1900/65A
General Purpose Equipment Monitor
Frequently Selected Alternatives
Model
Product Name
89477-10
Velomitor Interconnect Cable
89477-12
Velomitor Interconnect Cable
89477-17
Velomitor Interconnect Cable
125065-20
Fluorosilicone Boot Interconnect Cable
Where It Excels in Industrial Use
• Long-Distance Velocity Sensor Connections
The Bently Nevada 89477-20 Velomitor Interconnect Cable is designed to provide dependable signal transmission between Velomitor piezo-velocity sensors and machinery monitoring systems. Its 20 ft configuration is ideal for installations where sensors are mounted at greater distances from monitoring cabinets.
• Critical Rotating Machinery Monitoring
The cable is widely deployed in vibration monitoring systems for steam turbines, gas turbines, centrifugal compressors, pumps, electric motors, and generators, supporting continuous machinery protection and predictive maintenance programs.
• Industrial Process Facilities
Its twisted, shielded cable construction helps maintain signal integrity in electrically noisy environments, making it well suited for power generation, oil & gas, petrochemical, mining, and heavy manufacturing industries.
• 21128 Velocity Transducer Housing Applications
Unlike standard interconnect cables, the 89477 series is specifically intended for use with the 21128 Velocity Transducer Housing Assembly, providing a secure connection between housed Velomitor sensors and monitoring equipment.
Key Strengths at a Glance
• Designed for 21128 Velocity Transducer Housing
• 20 ft (6.1 m) Extended Cable Length
• Two-Conductor 18 AWG Twisted Shielded Cable
• Right-Angle Two-Socket Sensor Connector
• Excellent EMI/RFI Noise Immunity
• Reliable Signal Transmission for Continuous Machinery Protection
Technical FAQs
1. What is the primary function of the Bently Nevada 89477-20?
It provides the electrical connection between compatible Velomitor velocity sensors and machinery vibration monitoring systems.
2. Which sensor systems are compatible with this cable?
It is designed for Bently Nevada 330500 and compatible Velomitor piezo-velocity sensor installations used with the 21128 Velocity Transducer Housing Assembly.
3. What cable length does the 89477-20 provide?
The "-20" option specifies a standard cable length of 20 ft (approximately 6.1 m).
4. What conductor configuration is used?
The cable features a two-conductor, 18 AWG twisted shielded design, providing reliable low-noise signal transmission.
5. What connector is installed on the sensor end?
It incorporates a right-angle two-socket plug designed for compatible Velomitor sensor installations.
6. Why is shielding important for this cable?
Shielding minimizes electromagnetic interference, helping preserve vibration signal quality and measurement accuracy.
7. Does the cable require an external power supply?
No. The 89477-20 is a passive interconnect cable that only transfers sensor signals between the transducer and monitoring system.
8. Can this cable be used in outdoor industrial installations?
Yes. When installed with the appropriate housing and monitoring hardware, it is suitable for demanding industrial environments.
9. What should be checked before replacing the cable?
Users should verify cable length, connector type, housing compatibility, conductor specification, and monitoring system requirements.
10. Which monitoring systems commonly use this cable?
It is commonly used with the 3500/42M Proximitor/Seismic Monitor and 3300/55 Dual Velocity Monitor when paired with compatible Velomitor sensors.
