3500/22_BENTLY_PRODUCT_吉林易择科技技术发展有限公司

Bently Nevada 3500/22 Axial Position Monitor Module Core Features: • Dual-Channel Thrust Monitoring • ±5mm Bidirectional Range • 4-20mA + Modbus Outputs Key Specs: ✓ 0.01mm Resolution ✓ ±1% Accuracy ✓ 0-1kHz Dynamic Response Protection Functions: 4 Adjustable Alarms per Channel Gap Voltage Monitoring Directional Thrust Discrimination Applications: Turbine Thrust Bearing Protection Compressor Axial Shift Pump Shaft Position Compliance: • API 670 Annex B • SIL 2 Capable • DNV-GL Marine

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DESCRIBE

Bently Nevada 3500/22
Dual-Channel Axial Position Monitor Module

Key Specifications:
• Input Channels: 2 independent proximity probe inputs
• Measurement Range: ±5mm (±0.2 inch) bidirectional
• Resolution: 0.01mm (0.5 mil)

Technical Parameters:
✓ Accuracy: ±1% of full scale
✓ Frequency Response: 0-10Hz (slow-roll) / 0-1kHz (dynamic)
✓ Gap Voltage: -10V DC ±0.5V (adjustable)

Protection Functions:

4 Adjustable alarms per channel (alert/danger)

Probe gap voltage monitoring

Sensor fault detection

Directional discrimination (thrust/non-thrust)

Output Options:
• 4-20mA (2 channels, isolated)
• RS-485 Modbus RTU
• Relay contacts (4 alarm + 2 fault)

Electrical Characteristics:

Power Supply: +24VDC ±10%

Load Capacity: 600Ω @ 24VDC

Isolation: 1500V AC

Environmental Ratings:

Operating Temp: -40°C to +70°C

Humidity: 5-95% non-condensing

Protection: IP20 (rack-mounted)

Certifications:
• API 670 5th Edition (Annex B)
• SIL 2 Capable
• DNV-GL Marine Type Approved

Typical Applications:

Steam turbine thrust bearing monitoring

Compressor axial position measurement

Pump shaft float detection

SERVICE HOTLINE Grace +86 13600179521

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