Bently Nevada 330180-91-CN Proximitor Sensor

Technical Specifications
  • Part Number: 330180-91-CN
  • System Length: 9 m (29.5 ft)
  • Power Supply: −17.5 Vdc to −26 Vdc (non-isolated); −23 Vdc to −26 Vdc with barriers
  • Current Consumption: ≤12 mA
  • Output: −2 Vdc to −18 Vdc linear voltage, proportional to gap
  • Linear Range: 2 mm (80 mil) starting 0.25 mm (10 mil) from target
  • Sensitivity: 7.87 V/mm (200 mV/mil)
  • Linearity: ±1 % of full scale
  • Frequency Response: 0 Hz to 10 kHz
  • Operating Temperature: −51 °C to +100 °C
  • Storage Temperature: −51 °C to +105 °C
  • Mounting: High-density DIN-rail or 4-hole panel; electrically insulated base eliminates separate isolator plate
  • Connectors: Gold-plated, corrosion-resistant ClickLoc coaxial, finger-tight with audible latch
  • Housing: A308 aluminum with stainless-steel hardware
  • Weight: 0.7 kg
  • Protection: IP67 when installed
  • Agency Approvals: China NEPSI Ex ia IIC T4 Ga, GB/T compliance
Category:
Description
Functional Highlights
  • 9 m electrical length allows the Proximitor to be mounted far from hot, high-vibration, or space-restricted probe zones while maintaining full signal integrity.
  • Advanced RFI/EMI immunity meets European EMC standards without special shielded conduit, cutting installation cost and complexity.
  • Hermetically sealed electronics prevent moisture ingress in high-humidity regions.
  • ClickLoc connector removes installation guesswork—finger-tight torque produces an audible “click” and prevents loosening under vibration.
  • SpringLoc terminal strips provide robust field wiring connections without special tools.
  • Hot-swappable design allows module replacement in under two minutes without shutting down the monitor rack.
Application Scenarios
  • Steam and gas turbine shaft vibration, thrust position, and differential expansion monitoring
  • Centrifugal and reciprocating compressor rod-drop and cylinder vibration protection
  • Large motor and generator air-gap eccentricity or rotor bar measurement
  • Refinery and petrochemical pump speed, phase reference, and zero-speed detection
  • Steel mill fan, blower, and gearbox bearing condition trending
  • Offshore platform cooling-water pump and top-drive monitoring loops
  • API 670 compliant machinery protection systems in CN-certified hazardous areas
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