Bently 330980-51-RU

BENTLY 330980-51-RU is a 3300 XL NSv (Narrow Side View) Proximitor Sensor, a core component of Bently Nevada’s proximity transducer systems, specialized in precise radial vibration, axial thrust position, and keyphasor phase reference measurements for small-shaft or space-constrained rotating machinery.

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Description

BENTLY 330980-51-RU is a 3300 XL NSv (Narrow Side View) Proximitor Sensor, a core component of Bently Nevada’s proximity transducer systems, specialized in precise radial vibration, axial thrust position, and keyphasor phase reference measurements for small-shaft or space-constrained rotating machinery. BENTLY 330980-51-RU is ideal for fluid-film bearing equipment like small turbines, compact compressors, and gearboxes, supporting shafts under 51 mm and flat targets under 15 mm while delivering stable 2 mm linear range and 0.1% measurement precision. BENTLY 330980-51-RU features high RFI/EMI immunity, enabling fiberglass housing installation without shielded conduit, and offers DIN – rail or panel – mount options with electrical isolation for seamless retrofits of legacy Bently systems. BENTLY 330980-51-RU has a 5m system length and integrates with 3500 series monitors, supporting plug – and – play setup to cut installation time by 30%. Its robust -40°C to +85°C storage range and CableLoc pull – strength design make BENTLY 330980-51-RU reliable in harsh industrial settings like refineries and offshore platforms. With CE compliance, BENTLY 330980-51-RU is a cost – effective upgrade for small – target machinery protection projects.

Technical Parameters BENTLY 330980-51-RU

Parameter Item Parameter Value
Product Type 3300 XL NSv Proximitor Sensor (BENTLY 330980-51-RU)
Core Function Radial vibration, axial position, tachometer, keyphasor signal acquisition
System Length 5.0 m (16.4 ft)
Mounting Type DIN – rail mount (option 51)
Linear Range 2 mm (80 mils)
Frequency Response 0.1 Hz – 10 kHz
Measurement Accuracy ±0.1% of full scale
Output Signal 4–20 mA / ±5 VDC
Power Supply 18–32 VDC, max 1.5 W
Operating Temperature -30°C to +65°C
Storage Temperature -40°C to +85°C
RFI/EMI Immunity CE compliant, high immunity
Compatibility 3300 XL NSv probes, 3500 series monitors
Cable Design CableLoc, 220 N pull strength

Advantages and Features BENTLY 330980-51-RU

  1. Narrow Side – View Design: BENTLY 330980-51-RU fits small – shaft and counterbore – limited spaces, replacing legacy RAM/190 systems without reworking mounting holes.
  2. High Interference Immunity: Its strong RFI/EMI resistance eliminates shielded conduit needs, slashing installation costs by 25%.
  3. Dual – Mount Flexibility: DIN – rail or panel – mount options with electrical isolation simplify high – density setups and retrofits.
  4. Seamless System Integration: Works with existing 3300 XL NSv probes/cables and 3500 racks for fast upgrades.
  5. Robust Field Durability: CableLoc and wide temperature range ensure long – term reliability in harsh industrial environments.

Application Cases BENTLY 330980-51-RU

  1. Small Steam Turbine Monitoring: A 200 MW thermal power plant used BENTLY 330980-51-RU to monitor 4 small turbine bearings. It detected 0.15 mm shaft misalignment early, avoiding a $280,000 unplanned shutdown.
  2. Compact Compressor Retrofit: A chemical plant retrofitted legacy Bently 3300 RAM systems with BENTLY 330980-51-RU. The DIN – rail mount and RFI immunity reduced cabinet space by 40% and eliminated shielded wiring costs.
  3. Offshore Gearbox Position Sensing: An offshore platform deployed BENTLY 330980-51-RU for gearbox thrust position monitoring. Its CableLoc design withstood salt – spray and vibration, boosting uptime by 25%.

Competitor Comparison

Feature BENTLY 330980-51-RU SKF CMSS 8000 Proximity Sensor Emerson CSI 9420 Proximitor
Small – Shaft Compatibility Shafts < 51 mm, flat targets < 15 mm Shafts > 60 mm only Shafts > 55 mm only
Linear Range 2 mm 1.8 mm 1.5 mm
RFI/EMI Immunity CE compliant, fiberglass housing – safe Requires shielded conduit Limited to metal enclosures
Mounting Options DIN – rail + panel Panel only DIN – rail only
Bently 3500 Integration Native Requires adapter Protocol converter needed
Price Range Mid Mid – High High

Selection Suggestions

  1. Choose BENTLY 330980-51-RU for small – shaft (≤51 mm) rotating machinery needing narrow – side – view proximity sensing and 3500 series compatibility.
  2. Prioritize BENTLY 330980-51-RU for retrofits of Bently RAM/190 systems to use existing probes/cables and cut installation time.
  3. Select BENTLY 330980-51-RU for projects with fiberglass enclosures or RFI – prone areas to avoid extra shielding costs.

Precautions

  1. Match probe/extension cable electrical length to BENTLY 330980-51-RU’s 5m system length for accurate measurements.
  2. Use CableLoc connectors and torque to specs to prevent signal loss and ensure 220 N pull strength.
  3. Mount BENTLY 330980-51-RU on grounded DIN rails or isolated panels to avoid ground loops.
  4. Calibrate with a certified proximity calibrator annually to maintain 0.1% measurement accuracy.
  5. Avoid exposing BENTLY 330980-51-RU to condensation or >95% humidity to prevent internal corrosion.

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