144-202-000-126 Piezoelectric Accelerometer - Vibro-Meter

Vibro-Meter CA202 144-202-000-126 Industrial Piezoelectric Accelerometer

The Vibro-Meter CA202 144-202-000-126 is a heavy-duty piezoelectric accelerometer designed for demanding industrial applications. This explosion-proof model features an extended 11-meter integral cable, providing maximum installation flexibility in hazardous environments where long cable runs are necessary.

Key Technical Specifications

• Brand: Vibro-Meter
• Model: CA202 144-202-000-126
• Sensitivity: 100 pC/g ±5%
• Frequency Response: 0.5 to 6000 Hz ±5%
• Measurement Range: 0.01 to 400 g peak
• Overload Capacity: Up to 500 g peak
• Temperature Range: -55 to +260°C
• Resonant Frequency: >22 kHz nominal
• Cable Length: 11 meters integral cable

Design and Construction Features

• Symmetrical shear-mode polycrystalline element delivers accurate vibration data
• Hermetically welded austenitic stainless-steel case ensures complete protection
• Internal case insulation with differential output reduces electrical interference
• Flexible stainless-steel protection hose withstands harsh industrial conditions
• The leaktight assembly blocks moisture, oils, and corrosive contaminants

Installation and Mounting

• Mount using four M6 × 35 Allen screws with 15 N•m tightening torque
• Includes four M4 spring-lock washers for vibration-resistant secure mounting
• Flying leads termination offers flexible connection options for various setups
• The 11-meter cable enables installation in remote or difficult-to-access locations

Environmental Performance

• Ex version certified for use in potentially explosive atmospheres
• Continuous operation from -55°C to +260°C for sensor reliability
• Short-term survival up to 280°C ensures durability during temperature spikes
• Withstands shock acceleration up to 1000 g peak for robust performance

Frequently Asked Questions (FAQ)

• What applications need the 11-meter cable version?
  Large machinery monitoring, distributed systems, and installations requiring long cable runs to control rooms
• How does cable length affect sensor performance?
  Longer cables increase capacitance, which may affect signal conditioning requirements
• Is special handling needed for the 11-meter cable?
  Standard industrial cable practices apply - avoid sharp bends and excessive pulling force
• What maintenance does this accelerometer require?
  The hermetically sealed design requires no routine maintenance under normal conditions