144-202-000-203 Vibro Meter CA202 Piezoelectric Accelerometer

144-202-000-203 Vibro Meter CA202 Piezoelectric Accelerometer

The Vibro Meter CA202 provides reliable vibration monitoring in demanding industrial environments. This robust accelerometer features a symmetrical shear-mode design for stable performance. It serves perfectly for heavy-duty applications in both hazardous and standard areas.

Key Features and Benefits

• The CA202 delivers high sensitivity of 100 pC/g for precise vibration measurement
• It offers a wide frequency response from 0.5 to 6000 Hz for comprehensive analysis
• This sensor operates across a broad temperature range from -55°C to +260°C
• Ex versions provide certification for potentially explosive atmospheres
• Its hermetically welded stainless-steel construction ensures superior durability

Detailed Technical Specifications

• Brand: Vibro Meter (Meggitt)
• Model: CA202 144-202-000-203
• Sensitivity: 100 pC/g ±5% at 120 Hz
• Measurement Range: 0.01 to 400 g peak
• Overload Capacity: Up to 500 g peak for spike protection
• Frequency Response: 0.5 to 6000 Hz ±5%
• Resonant Frequency: >22 kHz nominal
• Linearity: ±1% (0.01-20 g), ±2% (20-400 g)

Environmental Performance

• Continuous operation from -55°C to +260°C for sensor
• Cable withstands temperatures from -55°C to +200°C
• Short-term survival from -70°C to +280°C for sensor
• Temperature sensitivity error: 0.25%/°C (-55 to +23°C)
• Withstands shock up to 1000 g peak (half sine, 1 ms)

Electrical Characteristics

• No external power required for operation
• Charge output through 2-pin system insulated from case
• Internal insulation resistance: 10^9 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
• Requires charge converter (IPC70x signal conditioner)

Physical Construction

• Sensor weight: 250 grams approximately
• Cable weight: 135 g/m approximately
• Austenitic stainless-steel case (1.4441), hermetically welded
• Heat-resistant stainless-steel protection hose (1.4541)
• Sealed leaktight assembly protects against humidity and contaminants

Installation Guide

• Mount using four M6 × 35 Allen screws with spring-lock washers
• Apply nominal tightening torque of 15 N•m for secure installation
• Ensure proper surface preparation for optimal performance
• Connect flying leads to compatible signal conditioning equipment
• Verify all electrical connections before system operation

Packaging & Shipping

• Includes one CA202 piezoelectric accelerometer unit
• Integral low-noise cable with stainless-steel protection hose
• All necessary mounting hardware included
• Worldwide shipping via FedEx, UPS, and DHL carriers
• Product arrives ready for immediate installation

Frequently Asked Questions

• What environments suit the CA202 best? Ideal for heavy-duty industrial monitoring in both standard and hazardous areas
• Is explosion-proof certification available? Yes, Ex versions are certified for potentially explosive atmospheres
• What signal conditioner works with this sensor? Use IPC70x series charge converters for optimal performance
• How does it handle harsh conditions? Hermetically welded construction resists humidity, water, steam, oil, and contaminants
• What is the base-strain sensitivity? 0.15 x 10−3 g/µε for minimal strain-induced measurement error