Vibro-Meter 444-311-000-013 Piezoelectric Accelerometer

Product Overview – CE311 Vibro-Meter® Accelerometer

The CE311 444-311-000-013 piezoelectric accelerometer delivers reliable vibration monitoring in harsh industrial environments. It integrates signal conditioning electronics for stable long-distance transmission. This sensor suits machinery protection and predictive maintenance applications.

Technical Specifications

• Brand: Meggitt Vibro-Meter®
• Model: CE311
• Sensor Type: Piezoelectric accelerometer with integrated electronics
• Measurement Range: 0.004 to 40 g peak
• Frequency Response: 2 Hz to 8000 Hz
• Sensitivity: 50 µA/g ±5%
• Linearity: ±1% across measurement range
• Resolution: High sensitivity for low vibration detection
• Resonant Frequency: 20 kHz typical
• Temperature Range: −40°C to +125°C continuous
• Short-Term Survival: −55°C to +150°C
• Shock Resistance: Up to 500 g peak
• Environmental Protection: Hermetically sealed stainless steel housing
• Humidity Resistance: Fully resistant to water, steam, oil, and dust
• Anti-Interference Capability: Shielded cable and current output signal
• Output Signal: Current-modulated (2-wire system)
• Power Supply: 15–28 VDC

Configuration Breakdown

• Series:
  • Vibro-Meter® Industrial Sensors
• Model Structure:
  • CE311
    • Integrated electronics accelerometer
    • Shear-mode sensing element
• Part Number:
  • 444-311-000-013
• Cable Configuration:
  • 3-meter integral shielded cable
  • Stainless steel flexible protection tube

Installation Guidelines

• Use four M6 bolts with 15 Nm torque
• Mount on clean and flat surfaces
• Ensure proper grounding and shielding
• Avoid cable bending near the sensor head
• Use recommended washers for vibration stability

Commissioning & Maintenance

• No external charge amplifier required
• Factory calibrated at 120 Hz
• No periodic recalibration required
• Minimal maintenance due to sealed design
• Quick startup with standard monitoring systems

Compatibility

• Compatible with vibration monitoring systems
• Works with PLC and DCS systems
• Supports long-distance signal transmission
• Integrates with condition monitoring platforms

Certifications & Compliance

• Available in standard and explosion-proof versions
• Suitable for hazardous environments
• Industrial-grade stainless steel construction

Packaging & Warranty

• 1 × CE311 accelerometer
• Integrated cable with protection tube
• Installation hardware set
• Documentation support
• 12-month warranty
• Shipping via FedEx, UPS, DHL
• Dispatch within 24–48 hours

Typical Applications & Diagnostic Capabilities

• Rotating machinery monitoring
• Steam turbines and compressors
• Oil and gas equipment
• Power generation systems
• Early fault detection and predictive maintenance
• Detect imbalance, misalignment, and bearing wear

Global PLC Spare HUB's Insight

The CE311 stands out for durability and signal stability. It performs reliably in high-temperature and contaminated environments. Engineers prefer it for long cable runs and hazardous locations.

It suits turbines, pumps, compressors, and heavy industrial machinery. It integrates easily into existing monitoring infrastructures.

FAQ

• How does the CE311 handle harsh environments?
• The sensor uses hermetically sealed stainless steel construction.
• Can it operate over long cable distances?
• Yes, current output supports stable long-distance transmission.
• Does it require external signal conditioning?
• No, integrated electronics eliminate external amplifiers.
• What is the best mounting practice?
• Use proper torque and flat mounting surfaces.
• How to select the right accelerometer?
• Match frequency range, sensitivity, and environment conditions.
• What common mistakes should be avoided?
• Avoid improper grounding and loose mounting.

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