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The 84661-22 features a standard 22 AWG two-conductor twisted pair with a high-density shield layer inside. This helps guarantee clean, noise-free transmission of low-level accelerometer or velocity signals over long distances. Since the voltage output from the Velomitor sensor is relatively weak, it is highly susceptible to interference from nearby electromagnetic sources such as variable frequency drives, motor starters, and radio transmitters.
The monitor end of the cable features pre-installed standard terminal lugs
The cable is externally wrapped with a heavy, flexible stainless steel armor layer
Internally, it utilizes a standard 22 AWG two-conductor twisted pair with a high-density shield layer
The 84661-22 is an industrial-grade armored cable used with Bently Nevada Velomitor piezo-velocity sensors such as the 330500 transducer. This cable is 22 feet long and is specifically used in harsh industrial environments where standard cables would easily fail. Its heavy, flexible stainless steel outer armor provides robust physical protection, resisting accidental trampling or impact from heavy equipment while effectively preventing deep cuts and abrasion from sharp metal edges.
In practical industrial wiring, this cable is highly suitable for routing along the frames of large turbomachinery, or running alongside other heavy power cables in tray channels prone to foot traffic. Additionally, the rugged stainless steel casing prevents damage from on-site rodents like rats, and it still allows for smooth bending and quick installation in tight spaces.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Bently Nevada 84661-22 Armored Cable Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Thermal Power
Used for vibration monitoring on bearing housings of boiler FD/ID fans and steam turbine feedwater pumps.
Hydroelectric Power
Used for absolute vibration measurement on hydro-generator main bearings and large high-pressure water pump casings.
Petrochemical & Refining Industry
Used for machinery condition monitoring on cracked gas compressors, hydrogenation feed pumps, and large cooling tower fans.
Coal Chemical Industry
Used for casing vibration capture on air separation centrifugal air compressors and coal slurry pumps in high-wear environments.
Steel & Metallurgical Industry
Used for continuous vibration monitoring on blast furnace blowers, converter dedusting fans, and large rolling mill gearboxes.
Pulp & Paper Industry
Used for vibration status capture on large paper machine dryer cylinders, pulp pumps, and transmission systems of high-humidity paper cutters.
During installation sufficient bend radius must be maintained to prevent internal wire and stainless steel armor breakage. The threaded locking metal ring at the sensor end must be firmly tightened to ensure moisture-resistant sealing and prevent looseness caused by machinery vibration. Route the cable with the shield layer grounded at a single end near the monitor to eliminate electromagnetic interference.
Lastly this cable operates within a bandwidth of -55°C to +121°C and must be kept away from surfaces exceeding this thermal ceiling. It is also strictly forbidden to force this cable inside a 21128 velocity transducer housing.
Alternative Names
Alternative Names
84661 228466I-2284661-2084661-49
Technical notes
Technical notes
The 84661-22 is a 22-foot two-conductor shielded cable wrapped in heavy-duty stainless steel armor, built for Bently Nevada 330500 Velomitor sensors. This rugged assembly features a moisture-resistant connector along with convenient terminal lugs, making it optimal for permanent industrial vibration monitoring setups. Constructed to withstand environmental extremes, the cable safely operates across a broad temperature spectrum from -55°C up to +121°C. While the overall product series accommodates customized lengths up to a maximum of 96 feet, this specific variant must connect exclusively to compatible monitors and does not function inside a 21128 housing.
84661-22 is a 22-foot two-conductor stainless steel armored shielded interconnect cable for industrial vibration sensors.
How do you use a product like 84661-22?
Connect the moisture-resistant female plug end to the velocity sensor on the bearing housing and then connect the terminal lugs end to the remote monitoring panel.
What harsh environments can 84661-22 withstand?
Its stainless steel armor and moisture-resistant connector effectively withstand hard object crushing, physical abrasion, lubricating oil, water vapor, and dust.
What is the function of the shielding layer in 84661-22?
It functions to block electromagnetic interference generated by strong variable frequency drives and electric motors on-site to prevent measurement data distortion.
Can 84661-22 be partially cut and spliced if it gets damaged?
To ensure high-precision signals are not lost, it is highly recommended to directly replace the entire new cable rather than partially splicing the armored cable.
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