Description
Product Description
Bently Nevada 176449-02
3500/42M Proximitor Seismic Monitor is a four-channel protection module.
It protects critical rotating machines in real time.
It compares measured values with alarm limits.
Alarms trigger before damage occurs.
The monitor accepts proximity, velocity, and acceleration sensors.
Each channel is fully configurable.
It serves operators and maintenance teams together.
Core Value Highlights
- Four-channel design for flexible machinery protection.
- Real-time alarm comparison improves equipment safety.
- Wide sensor support reduces spare parts cost.
- Industrial-grade reliability for harsh environments.
Technical Specifications
- Brand: Bently Nevada
- Model: 176449-02
- Series: 3500 Series
- Module Type: Proximitor and Seismic Monitor
- Input Channels: 1 to 4 transducer inputs
- Supported Sensors: Proximity, velocity, acceleration
- Input Impedance: 10 kΩ standard I/O
- Power Consumption: 7.7 W typical
- Measurement Functions: Radial vibration, thrust, acceleration, expansion
- Diagnostic Capability: 1X, 2X, vector, notch filtering
- Signal Conditioning: User-programmable filters
Measurement Performance
- Sensitivity: Up to 200 mV/mil for proximity
- Velocity Sensitivity: Up to 500 mV/(in/s) peak
- Acceleration Sensitivity: 100 mV/g
- Resolution: High resolution for early fault detection
- Linearity: Stable output across full scale
Frequency Response
- Direct Filter: 1 Hz to 4000 Hz programmable
- Gap Filter: -3 dB at 0.09 Hz
- Not 1X Filter: 60 cpm to 15.8× speed
- 1X / 2X Filters: Constant Q with deep rejection
Environmental & Reliability Data
- Operating Temperature: -30°C to +65°C
- Storage Temperature: -40°C to +85°C
- Humidity: 95% non-condensing
- EMI Resistance: Designed for industrial noise immunity
Physical Information
- Main Module Weight: 0.91 kg
- Main Module Depth: 241.8 mm
- I/O Module Options: Barrier and non-barrier types
Installation Guide
- Install into standard 3500 rack.
- Connect sensors using dedicated I/O modules.
- Ensure proper grounding before power-up.
- Verify channel mapping in configuration software.
Commissioning & Maintenance
- Configure via 3500 Rack Configuration Software.
- LED indicators simplify status checks.
- Buffered outputs support testing without shutdown.
- No frequent calibration required.
Compatibility
- Compatible with Bently Nevada proximity probes.
- Works with velocity and acceleration sensors.
- Integrates with 3500 monitoring systems.
- Supports plant DCS and protection systems.
Certification & Compliance
- Manufactured to industrial monitoring standards.
- Designed for continuous protection duty.
- Meets typical oil, gas, and power requirements.
Typical Applications
- Steam and gas turbines
- Compressors and pumps
- Generators and motors
- Critical rotating machinery
Diagnostic Capabilities
- Early imbalance detection
- Shaft misalignment analysis
- Bearing fault indication
- Axial movement monitoring
Package Contents
- 1 × Bently Nevada 176449-02 3500/42M module
- Factory inspection label
- Standard protective packaging
Warranty & Logistics
- Warranty: 12 months
- Shipping: FedEx, UPS, DHL
- Packing: Anti-static and shock-proof
FAQ – Technical
Can one module monitor different sensor types?
Yes. Each channel supports independent sensor configuration.
Does filtering affect alarm response?
No. Alarms respond to conditioned signals in real time.
FAQ – Experience Based
Is this suitable for high-speed machines?
Yes. It supports wide frequency and speed ranges.
Does it reduce unplanned shutdowns?
Yes. Early alarms help prevent severe damage.
FAQ – Selection Guide
When should I choose the 3500/42M?
Choose it for mixed vibration and position monitoring needs.
Is it better than single-function monitors?
Yes. It combines multiple functions in one module.
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