144-901-000-222 Vibro Meter CA 901 Accelerometer High Temp Sensor

Product Overview – Vibro Meter CA 901 144-901-000-222

The Vibro Meter CA 901 piezoelectric accelerometer delivers reliable vibration monitoring in extreme environments. It supports high-temperature operation up to 700°C. Engineers use it for critical rotating machinery diagnostics. Download the datasheet and manual for full integration guidance. This model suits nuclear, oil & gas, and power generation industries.

Technical Specifications

• Brand: Vibro Meter
• Model: CA 901
• Ordering Number: 144-901-000-222
• Measurement Range: 0.001 g to 200 g peak
• Frequency Response: 3 Hz to 2800 Hz ±5%
• Sensitivity: 10 pC/g ±5%
• Linearity: ±1% across full range
• Resolution: High sensitivity for low-level vibration detection
• Resonance Frequency: >17 kHz nominal
• Temperature Range: -196°C to +700°C
• Environmental Resistance: High pressure, radiation, and corrosion resistant
• Anti-Interference: Insulated casing with low noise charge output

Configuration Breakdown

• Series: CA 901 accelerometer family
• Base Model: 144-901-000
• Suffix Structure:
  • 2XX – Cable and connector configuration
  • 22 – 12.5 m cable with VM Lemo connector

Installation Guidelines

• Mount inside tube using four M6 Allen screws
• Apply tightening torque of 15 Nm
• Ensure firm contact for accurate signal transmission
• Use proper charge converter for signal conditioning

Commissioning & Maintenance

• No external power required
• Simple two-wire charge output connection
• Minimal calibration needed after installation
• Hermetically sealed design reduces maintenance frequency

Compatibility

• Compatible with standard charge amplifiers
• Works with vibration monitoring systems
• Suitable for nuclear-qualified instrumentation chains

Certifications & Compliance

• NRC Regulatory Guide 1.133 compliant
• IEEE 323-1974 qualified
• DIN 25.475.1 certified
• ATEX certified for explosive atmospheres
• Zones 0, 1, and 2 approved

Environmental Durability

• Shock resistance up to 500 g peak
• Pressure tolerance up to 140 bar
• Radiation resistant to gamma and neutron flux
• Inconel 600 housing ensures corrosion resistance

Packing List & Warranty

• 1 × CA 901 Accelerometer
• Integrated cable with connector
• Installation guide
• Standard packaging
• 12-month warranty
• Shipping via FedEx, UPS, DHL
• Dispatch within 24–48 hours

Typical Applications & Diagnostic Capabilities

• Steam and gas turbine monitoring
• Loose part detection in nuclear reactors
• High-temperature vibration analysis
• Predictive maintenance and fault detection
• Early detection of imbalance, misalignment, and bearing faults

Global PLC Spare HUB's Insight

• This model excels in extreme temperature environments
• Its wide frequency range supports detailed diagnostics
• Ideal for safety-critical monitoring systems
• Works well with turbine control and protection systems

FAQ

• What signal output does this sensor provide?
• It provides a charge output signal.
• Can it operate continuously at high temperature?
• Yes, it supports continuous operation up to 650°C.
• Does it require external power?
• No, it operates without external power.
• How do I select the correct cable length?
• Choose based on installation distance and routing conditions.
• What industries typically use this sensor?
• Power generation, nuclear, and heavy industry applications.
• What is a common installation mistake?
• Poor mounting contact reduces measurement accuracy.
• How to ensure stable signal quality?
• Use shielded cables and proper grounding practices.

Selection Guide

• Select based on operating temperature requirements
• Verify frequency range matches application needs
• Ensure compatibility with existing monitoring systems
• Choose appropriate cable length and connector type

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