Vibro Meter CE311 Industrial Piezoelectric Accelerometer with Integrated Electronics

Advanced Vibration Monitoring for Harsh Industrial Environments

• The CE311 piezoelectric accelerometer from Meggitt's Vibro Meter line delivers exceptional performance.
• This sensor features integrated electronics that eliminate the need for external signal conditioners.
• Its current-modulated output enables reliable long-distance signal transmission up to 40 g peak.
• The CE311 provides robust protection against cooling fluids, lubricants, water, and steam.

Core Technical Specifications

• Brand: Vibro Meter (Meggitt)
• Model: CE311 Piezoelectric Accelerometer
• Sensitivity: 50 µA/g ±5% with integrated electronics
• Frequency Response: 2 Hz to 8000 Hz full operational range
• Dynamic Range: 0.004 g to 40 g peak for precise measurements
• Power Supply: 15-28 VDC with 5.5-7.5 mA bias current
• Resonant Frequency: 20 kHz typical when properly mounted
• Linearity: ±1% across the entire dynamic measurement range

Environmental Durability & Protection

• Operating temperature range spans from -40°C to +125°C continuously.
• Short-term survival capability extends to -55°C to +150°C for 15 minutes.
• Hermetically welded stainless steel construction provides complete sealing.
• The sensor withstands 500 g peak shock acceleration without damage.
• Base strain sensitivity measures only 0.0015 g/µε for minimal error.

Electrical Characteristics & Signal Quality

• Current-modulated two-wire system ensures excellent noise immunity.
• Pole-to-pole capacitance measures 10.5 nF plus 105 pF per cable meter.
• Transverse sensitivity remains below 3% for accurate axial measurements.
• Frequency response maintains ±5% between 6 Hz and 5000 Hz.
• The integrated electronics perform charge-to-current conversion internally.

Mechanical Design & Installation

• Mount using four M6×35 Allen bolts with 15 N·m specified torque.
• Include four M6 spring-steel washers according to DIN 7980 standard.
• Sensor weight measures approximately 245 grams for easy handling.
• Flexible stainless-steel hose protection tube weighs 135 g per meter.
• Flying leads connection simplifies electrical installation and maintenance.

Shipping & Package Contents

• We ship worldwide through FedEx, UPS, and DHL express carriers.
• Each unit includes the accelerometer with 3-meter integral cable assembly.
• All necessary mounting hardware and documentation comes included.
• Part number 444-311-000-013 identifies the standard 3-meter cable version.

Expert Technical Questions

• What makes this accelerometer suitable for long-distance transmission?
  The integrated electronics provide current-modulated output that resists signal degradation over long cables.
• Can this sensor operate in wet or oily environments?
  Yes, the hermetically welded construction protects against water, steam, oil, and cooling fluids.
• What power supply requirements does the CE311 have?
  It operates on 15-28 VDC with a low bias current between 5.5 and 7.5 mA.
• How does the frequency response support machinery monitoring?
  The 2 Hz to 8000 Hz range covers most industrial machinery vibration frequencies.
• What mounting hardware is required for installation?
  Use four M6×35 Allen bolts with spring washers torqued to 15 N·m for secure mounting.

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