Bently Nevada 84661-49 Standard Armored Interconnect Cable

Description

The Bently Nevada 84661-49 is a standard armored interconnect cable designed for use with the 330750 and 330752 High Temperature Velomitor Systems. It features stainless steel armor over a shielded 22 AWG cable to provide added mechanical protection in industrial environments. The cable is equipped with a moisture-resistant female connector at the High Temperature Velomitor end and ring lugs at the monitor end for secure field wiring. With a 49-foot cable length and an operating temperature range of -29°C to +121°C (-20°F to +250°F), it provides a reliable connection between the sensor and monitoring equipment in high-temperature vibration monitoring applications.

Parameter

Model: 84661-49 Standard Armored Interconnect Cable
Cable Length: 49 feet (approx 15.0 meters)
Cable Operating Temp: -29°C to +121°C (-20°F to +250°F)
Mechanical Armor: Covered with a flexible stainless steel braided armor layer 
Hazard Area Certifications: Intrinsic Safety (Ex ia IIC) certified when used with matching safety barriers

Frequently asked questions

Q:What is the Bently Nevada 84661-49？
A:The Bently Nevada 84661-49 is a 49-foot (approx. 15.0 meters) armored 2-conductor shielded interconnect cable designed for the 330750 and 330752 High Temperature Velomitor Systems.

Q:Does 84661-49 have armor protection?
A:Yes, 84661-49 features stainless steel armor for crushing and abrasion resistance in harsh industrial environments.

Q:What 84661-49 role does this cable play in the Velomitor system? Can it be used with other standard sensors?
A:The 84661-49 is a segregated armored signal cable specifically designed for the 330750 and 330752 High Temperature Velomitor Systems. Its primary role is to route the conditioned velocity signal from the charge amplifier back to the monitoring rack. Since it uses a standard 2-pin Mil-C-5015 connector and a 22 AWG 2-conductor shielded twisted pair, it can technically be used with other standard 2-pin accelerometers or velocity sensors in emergencies, provided the ambient temperature does not exceed its maximum rating.

Application areas

The Bently Nevada 84661-49 is used in high-temperature vibration monitoring applications with the 330750 and 330752 High Temperature Velomitor Systems.

• Steam and Gas Turbine Casing Vibration Monitoring: Paired with the 330750/330752 High Temperature Velomitor Systems, this cable is specifically deployed to measure absolute casing vibration velocity on gas turbine exhaust frames and high-pressure steam turbine cylinders.
• High-Pressure Process Gas Compressors & FCCU Blowers: Widely used on high-temperature process compressors and large induced-draft fans within oil refineries, ethylene plants, and gas transmission stations The cable safely routes the conditioned signal from harsh field zones back to control rooms.
• Blast Furnace Blowers & Boiler Feed Pumps: In steel mills and thermal power plants, this cable monitors critical assets like blast furnace draft fans and core boiler circulation feed pumps that are continuously subjected to harsh radiant heat environments.

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