Bently Nevada 330980-50-00 3300 XL NSv Proximitor Sensor
Technical Specifications
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System Length: 5.0 m (16.4 ft) total probe + extension + Proximitor
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Sensitivity: 7.87 V/mm (200 mV/mil) ±1 % at –24 Vdc supply
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Linear Range: 0.25 mm to 1.5 mm (10 mil to 60 mil) gap
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Supply Voltage: –17.5 Vdc to –26 Vdc (barrier-free); –23 Vdc to –26 Vdc (with barriers)
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Supply Current: 12 mA typical, 15 mA maximum
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Output Resistance: 50 Ω
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Frequency Response: 0 Hz to 10 kHz (–3 dB)
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Temperature Range: –40 °C to +85 °C (–40 °F to +185 °F) operating
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Housing Material: A380 aluminum with iridite finish
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Weight: 255 g
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Mounting: 50 mm depth, panel or DIN-rail via optional clip
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Connector: Gold-plated brass ClickLoc, self-locking, accepts 3300 XL NSv probe and extension cable
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Agency Approvals: CE, RoHS (standard version)
Description
Functional Highlights
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Ultra-Compact NSv Design: 30 % thinner footprint than standard 8 mm Proximitor, ideal for crowded compressor panels.
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ClickLoc Terminal Strips: Spring-pressure terminations accept 0.2–1.5 mm² wire without tools; vibration-proof to 50 g.
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RFI/EMI Immunity: Meets EN 61000-4-3 level 3 (10 V/m) and 4-6 level 4 (30 A/m), protecting signals from variable-frequency drives and high-voltage switch-gear.
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Barrier-Ready Output: Output stage designed for –24 Vdc two-wire intrinsic safety barriers; no external isolator required.
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Hot-Swap Capability: Module can be replaced while loop is powered; auto-recalibrates when used with 3500/22M or 1701 FieldMonitor racks.
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Cross-System Compatibility: Drop-in replacement for legacy 3300 RAM and 3000-series 190 transducer systems; re-uses existing probes and cables.
Application Scenarios
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Centrifugal air compressors on offshore platforms where panel space is minimal
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Process gas compressors in ethylene and LNG plants for rod-drop and axial position monitoring
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Refrigeration screw compressors for thrust-bearing wear and differential expansion
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High-speed turbo-expanders in cryogenic services
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Engine turbo-charger vibration and speed feedback
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Packaging machinery and high-speed printing presses with tight cabinet clearance
Ordering Information
330980-50-00 decodes as:
330980 = 3300 XL NSv Proximitor family
50 = 5.0 m system length, 50 mm housing depth
00 = standard approvals (no special country variants)
330980-50-00 decodes as:
330980 = 3300 XL NSv Proximitor family
50 = 5.0 m system length, 50 mm housing depth
00 = standard approvals (no special country variants)
Installation Notes
Mount Proximitor within 5 m of probe tip; maintain –24 Vdc supply regulation better than 50 mV; ground shield at rack end only; torque ClickLoc to finger-tight plus 1/8 turn; verify 7.87 V/mm sensitivity with 25 µm (1 mil) shim stock during commissioning.
Mount Proximitor within 5 m of probe tip; maintain –24 Vdc supply regulation better than 50 mV; ground shield at rack end only; torque ClickLoc to finger-tight plus 1/8 turn; verify 7.87 V/mm sensitivity with 25 µm (1 mil) shim stock during commissioning.
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