144-202-000-236 CA202 Industrial Vibration Sensor | Meggitt

Meggitt vibro-meter CA202 Piezoelectric Accelerometer

The CA202 from Meggitt's vibro-meter line is a robust industrial accelerometer. This sensor excels in harsh and hazardous environments, providing reliable vibration data. Its durable, hermetically sealed design ensures long-term performance and accuracy.

Key Features and Benefits

• The CA202 delivers a high sensitivity of 100 pC/g for precise measurement.
• It features a broad frequency response from 0.5 to 6000 Hz.
• The sensor operates in a wide temperature range of -55 to +260°C.
• It comes in standard and Ex versions for explosive atmospheres.
• A symmetrical shear-mode design provides excellent stability.
• The hermetically welded stainless-steel case offers superior protection.

Technical Specifications

• Brand: Meggitt (vibro-meter)
• Model: CA202 144-202-000-236
• Sensitivity: 100 pC/g ±5%
• Measurement Range: 0.01 to 400 g peak
• Frequency Response: 0.5 to 6000 Hz (±5%)
• Linearity: ±1% (0.01-20 g), ±2% (20-400 g)
• Resonant Frequency: >22 kHz
• Operating Temperature: -55°C to +260°C (Sensor)
• Case Material: Hermetically welded austenitic stainless steel
• Signal Output: 2-pin charge output, insulated from case

Electrical Specifications

• Internal Insulation Resistance: 10⁹ Ω minimum
• Sensor Capacitance: 5000 pF pin to pin, 10 pF pin to case
• Cable Capacitance: 105 pF/m pin to pin, 210 pF/m pin to case
• Overload Capacity: Up to 500 g peak (spikes)
• Transverse Sensitivity: ≤3%

Physical Specifications

• Housing Material: Austenitic stainless steel
• Sensor Weight: 250 g (0.55 lb) approximately
• Cable Weight: 135 g/m (0.30 lb/m) approximately
• Mounting: Four M6 × 35 Allen screws with four M4 spring-lock washers
• Mounting Torque: 15 N•m (11.1 lb-ft) nominal
• Connector Type: Terminated with flying leads

Environmental Specifications

• Continuous Operation: -55 to +260°C (sensor), -55 to +200°C (cable)
• Short-term Survival: -70 to +280°C (sensor), -62 to +250°C (cable)
• Shock Resistance: ≤1000 g peak (half sine, 1 ms duration)
• Base-strain Sensitivity: 0.15 × 10⁻³ g/µε at 250 µε peak-peak
• Sealed against: 100% RH, water, steam, oil, sea-salt, dust, fungus

Ordering Information

• Type: CA202
• Designation: Standard version with 20 m integral cable
• Part Number (PNR): 144-202-000-236
• Please specify part number 144-202-000-236 when ordering

Applications

• Continuous vibration monitoring on industrial machinery.
• Condition monitoring in harsh industrial environments.
• Measurement in potentially explosive atmospheres (with Ex versions).
• Predictive maintenance programs for rotating equipment.

Installation and Mounting

• Mount the sensor using four M6 x 35 Allen screws.
• Use four M4 spring-lock washers for secure attachment.
• Apply a nominal tightening torque of 15 N•m (11.1 lb-ft).
• Ensure a clean, flat mounting surface for optimal performance.

Packaging and Shipping

• Your order includes one CA202 accelerometer with a 20-meter integral cable.
• We securely pack all items to prevent damage during transit.
• We ship globally via reliable carriers like FedEx, UPS, and DHL.

Frequently Asked Questions (FAQ)

• What signal conditioner does the CA202 require?
  The CA202 needs a charge converter like the IPC70x series for signal processing.
• Can I use the CA202 in a hazardous area?
  Yes, select the appropriate Ex-certified version for use in potentially explosive atmospheres.
• What is the lower frequency limit?
  The lower cutoff frequency is determined by the connected signal conditioner.