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3500/22M

Bently Nevada 3500/22M
Marine Axial Position Monitor

Key Features:
• DNV-GL Certified for offshore/marine use
• ±5mm Bidirectional Range (1μm resolution)
• Dual-Range Operation (±1mm/±5mm)

Enhanced Specs:
✓ ±0.5% Accuracy
✓ 10kHz Dynamic Sampling
✓ -40°C to +85°C Operation

Marine Functions:

Shaft Eccentricity Compensation

ISO 10816-3 Compliance

Waveform Capture

Certifications:
• DNV-GL/ABS Marine
• API 670 Annex B
• IECEx Zone 1

Applications:

Ship Propulsion Systems

Offshore Turbines

DP Thrusters

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Bently Nevada 3500/22M
Enhanced Dual-Channel Axial Position Monitor (Marine Certified)

Key Specifications:
• Input Channels: 2 independent 3300XL proximity probes
• Measurement Range: ±5mm (±0.2") bidirectional
• Marine-Grade Components: DNV-GL certified for offshore use

Enhanced Performance:
✓ Accuracy: ±0.5% FS (Improved over standard 3500/22)
✓ Sampling Rate: 10kHz (Dynamic monitoring)
✓ Resolution: 0.001mm (1μm)
✓ Temp Stability: ±0.01%/°C

Specialized Functions:

Dual-range operation (±1mm/±5mm switchable)

Advanced shaft eccentricity compensation

Waveform capture (512 samples/rev)

ISO 10816-3 marine vibration compliance

I/O Configuration:

Inputs:
• 2x Proximity Probe (-18V to -24V DC)
• MPU/Tach Input (Phase Reference)

Outputs:
• 4-20mA (2 channels, galvanically isolated)
• RS-485 Modbus & CANbus
• 6x Alarm Relays (5A @ 250VAC)

Environmental Robustness:

Operating Temp: -40°C to +85°C (Extended range)

Humidity: 100% condensation-proof

Vibration Resistance: 15g (20-2000Hz)

EMC: IEC 60945 (Marine EMC)

Certifications:
• DNV-GL Type Approved (No. TA-2018-XXXX)
• ABS Marine Requirements
• API 670 5th Ed. Annex B
• IECEx/ATEX Zone 1

Marine Applications:

Ship propulsion thrust bearings

Offshore turbine generators

Dynamic positioning systems