Vibro Meter CE311 444-311-000-023 Piezoelectric Accelerometer

Vibro Meter 444-311-000-023 CE311 Piezoelectric Accelerometer with 6-Meter Cable

The Vibro Meter CE311 444-311-000-023 delivers reliable vibration monitoring with the convenience of integrated electronics. This advanced accelerometer features a generous 6-meter integral cable for flexible installation. The device eliminates the need for external signal conditioners through its built-in charge-to-current conversion. Its robust design ensures consistent performance in demanding industrial environments and hazardous locations.

Key Features and Benefits

• Integrated electronics remove requirement for external charge amplifiers
• Includes 6-meter integral cable for installation flexibility
• Provides consistent 50 µA/g sensitivity with ±5% accuracy
• Features broad 2 to 8000 Hz frequency response range
• Enables reliable long-distance signal transmission

Technical Specifications

• Brand: Vibro Meter
• Model: CE311 Piezoelectric Accelerometer
• Part Number: 444-311-000-023
• Sensitivity: 50 µA/g ±5%
• Measurement Range: 0.004 to 40 g peak
• Frequency Response: 2 to 8000 Hz (±5% between 6-5000 Hz)
• Cable Length: 6 meters integral cable
• Power Supply: 15 to 28 VDC

Electrical Characteristics

• Signal Transmission: Current-modulated output (2-wire system)
• Bias Current: 5.5 to 7.5 mA standby current
• Linearity: ±1% across full dynamic measurement range
• Transverse Sensitivity: <3% at 15 Hz with 5 g excitation
• Resonant Frequency: 20 kHz typical when properly mounted
• Output Compatibility: Works with 4-20 mA monitoring systems

Environmental Performance

• Temperature Range:
  • Continuous Operation: -40 to +125°C
  • Short-term Survival: -55 to +150°C (15 minutes maximum)
• Temperature Sensitivity: ±5% from -40 to 125°C
• Shock Resistance: 500 g peak (half-sine wave, 1 ms duration)
• Construction: Hermetically welded stainless steel housing
• Environmental Protection: Resists fluids, steam, oil and contaminants

Physical Specifications

• Housing Material: Stainless steel (1.4441)
• Protection Tube: Stainless steel (1.4541) flexible hose
• Weight: 245 g (sensor), 135 g/m (cable and protection tube)
• Mounting: Four M6 × 35 Allen bolts with spring-steel washers
• Mounting Torque: 15 N•m (11.1 lb-ft)
• Connection: Flying leads for direct wiring

Ordering Information

• CE311 with 6m integral cable: PNR 444-311-000-023
• Standard and Ex versions available for different application needs
• Twisted pair shielded cable ensures signal integrity
• Hermetically sealed assembly provides maximum protection

FAQ

• What cable length does this model include?
  This version features a 6-meter integral cable for extended reach applications.
• Does this accelerometer need external electronics?
  No, the CE311 has built-in electronics that eliminate external charge amplifiers.
• What industries typically use this sensor?
  Ideal for industrial machinery monitoring in manufacturing, power generation, and processing plants.
• How does the current output benefit installation?
  Current output allows reliable signal transmission over long distances without signal degradation.