Bently Nevada 330450-40 High Temperature Acceleration System Sensor

Product Overview – Bently Nevada 330450-40 High Temperature Acceleration System

• Bently Nevada 330450-40 is a high-temperature acceleration monitoring system for critical rotating machinery.
• The sensor operates in extreme heat environments up to 400°C sensing head temperature.
• The system delivers stable vibration and acceleration data in harsh industrial conditions.
• It supports predictive maintenance and early fault detection.
• Integrated electronics ensure low noise signal output and reliable performance.
• The hermetically sealed case protects internal components against humidity and contamination.
• The design supports long cable runs without signal degradation.
• This system suits turbines, compressors, pumps, and heavy process equipment.

Technical Specifications – Core Performance Data

• Brand: Bently Nevada
• Model: 330450-40
• Product Type: High Temperature Acceleration System
• Origin: United States
• System Length: 4 meters
• Sensitivity: 10.2 mV/m/s² (100 mV/g) ±5%
• Measurement Range: 785 m/s² (80 g) peak acceleration
• Frequency Response: 15–10000 Hz (±3 dB)
• Operational band: 40–4000 Hz (±5%)
• Amplitude Linearity: ±2% to full scale
• Broadband noise floor: 0.059 m/s² RMS
• Transverse sensitivity: less than 5%
• Mounted resonant frequency: above 15 kHz
• Power Supply: −24 VDC ±0.5 V
• Bias current: 2 mA nominal
• Output bias voltage: −12 VDC ±0.5 V
• Maximum cable length: 305 meters
• Weight: 794 g

Environmental and Temperature Capability

• Sensing head temperature: −55°C to +400°C
• Integral hardline cable temperature: −55°C to +400°C
• Electronics temperature: −55°C to +100°C
• Humidity tolerance: up to 100% non-submerged
• Shock survivability: 24,535 m/s² (2500 g)
• Case construction: hermetically sealed stainless steel housing
• Material: 300 series stainless steel

Mechanical and Electrical Interface

• Connector type: 3-pin MIL-C-5015 receptacle
• Connector shell: 304 stainless steel
• Case isolation improves electrical noise immunity.
• Pin A becomes positive when force travels from base to sensing head.
• Minimum cable bend radius: 51 mm

Installation Guidelines

• Install the sensor on a clean and flat mounting surface.
• Use proper torque to ensure stable vibration transmission.
• Avoid sharp cable bends during installation.
• Keep signal cables away from strong electromagnetic sources.
• Verify correct polarity before powering the device.

Commissioning and Maintenance Convenience

• The system requires minimal calibration during installation.
• Stable electronics reduce frequent maintenance needs.
• Hermetic sealing protects internal circuits from moisture.
• Technicians can replace sensors quickly using the MIL connector.
• Long cable support simplifies plant installation planning.

Compatibility

• Compatible with Bently Nevada machinery protection systems.
• Works with vibration monitoring platforms and protection modules.
• Integrates easily into turbine monitoring systems.
• Supports industrial control and condition monitoring solutions.

Certification and Safety Compliance

• ATEX and IECEx certified for hazardous areas.
• Supports Zone 0, Zone 1, and Zone 2 installations.
• Designed for intrinsically safe instrumentation circuits.
• Complies with EN 60079-25 intrinsic safety standards.
• Power must come from certified limited energy sources.
• Connector must maintain IP54 or higher protection.

Typical Industrial Applications

• Steam and gas turbine vibration monitoring
• High temperature compressor condition monitoring
• Petrochemical process equipment protection
• Power plant rotating machinery diagnostics
• Pump and gearbox health monitoring

Diagnostic Capabilities

• Detects imbalance and shaft misalignment.
• Identifies bearing wear and mechanical looseness.
• Supports early fault detection for rotating machinery.
• Improves predictive maintenance accuracy.
• Helps reduce unexpected shutdown risks.

Packing List

• 1 × Bently Nevada 330450-40 acceleration sensor system
• 1 × Factory inspection documentation
• 1 × Protective industrial packaging

Shipping and Warranty

• Standard delivery via FedEx, UPS, or DHL.
• Products ship in secure industrial packaging.
• 12-month warranty against manufacturing defects.
• Technical support available for installation and diagnostics.

Frequently Asked Questions (FAQ)

• What machines use the 330450-40 sensor?
• This sensor monitors turbines, compressors, pumps, and large rotating machines.
• Can this sensor operate in very hot environments?
• Yes. The sensing head withstands temperatures up to 400°C.
• How long can the signal cable run?
• The system supports cable lengths up to 305 meters without signal loss.
• Does the device support hazardous areas?
• Yes. ATEX and IECEx certifications allow installation in explosive environments.
• What power supply does the system require?
• The system requires −24 VDC with a nominal 2 mA bias current.
• How should engineers choose this model?
• Select it when monitoring high temperature machinery with strong vibration levels.
• What is the main advantage compared with standard sensors?
• The sensor offers extreme temperature tolerance and stable vibration measurement.

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