Products
Products
home
3500/22

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

open
TEL:+86 13600179521
Mail:info@hongkongeasy.com
info@hongkongeasy.com
WhatsApp
Parameters
Request a Quote
Return to List
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