144-280-000-015 Vibro Meter CA280 Piezoelectric Accelerometer

144-280-000-015 Vibro-Meter CA280 Piezoelectric Accelerometer

The Vibro-Meter CA280 delivers precise vibration measurement in demanding environments. This piezoelectric accelerometer combines high sensitivity with robust construction. It performs reliably in hazardous areas and harsh industrial conditions.

Key Features and Benefits

• The CA280 provides high sensitivity of 100 pC/g for accurate low-amplitude vibration detection
• It features a wide frequency response from 0.5 to 6,000 Hz for comprehensive analysis
• This sensor carries Ex certification for safe use in potentially explosive atmospheres
• Its symmetrical shear-mode design ensures excellent stability and minimal base strain
• The hermetically welded AISI 316L stainless steel case offers superior corrosion resistance

Detailed Technical Specifications

• Brand: Vibro-Meter (Parker Meggitt)
• Model: CA280 144-280-000-015
• Sensitivity: 100 pC/g ±5% at 120 Hz
• Measurement Range: 0.01 to 500 g peak
• Frequency Response: 0.5 to 6000 Hz ±5%
• Resonant Frequency: >20 kHz nominal
• Linearity: ±1% (0.01-100 g), ±2% (100-500 g)
• Transverse Sensitivity: <3%

Environmental Performance

• Continuous operation from -60°C to +260°C
• Short-term survival from -70°C to +290°C
• Temperature sensitivity error of ±10% across full range
• Withstands shock up to 1000 g peak (half sine, 1 ms)
• Base-strain sensitivity of 0.8 x 10−3 g/με

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: 15 pF nominal (pin to case)
• Requires charge converter (IPC70x signal conditioner)

Physical Construction

• Case material: AISI 316L stainless steel, hermetically welded
• Sensor head weight: 75 grams approximately
• Integral cable weight: 135 g/m approximately
• ARINC® 554 fixation with three M4 × 16 Allen screws
• Nominal mounting torque: 4 N•m (3 lb-ft)

Installation Guide

• Mount using three M4 × 16 Allen screws with spring lock washers
• Apply nominal tightening torque of 4 N•m for secure installation
• Electrical insulation of the mounting surface is not required
• Choose between sensor-only or integral cable versions
• Connect to compatible signal conditioner for optimal performance

Packaging & Shipping

• Includes one CA280 piezoelectric accelerometer unit
• Mounting hardware included with all versions
• Available as sensor-only or with integral cable assembly
• Worldwide shipping via FedEx, UPS, and DHL carriers
• Product arrives ready for immediate installation and use

Frequently Asked Questions

• What applications suit the CA280 best? Ideal for vibration monitoring in hazardous areas and low-amplitude analytical applications
• Does it require external power? No, this piezoelectric sensor generates its own charge output without external power
• Is the CA280 explosion-proof? Yes, it carries Ex certification for use in potentially explosive atmospheres
• What cable options are available? Available as sensor-only or with integral low-noise cable in various lengths
• Is calibration required? Factory calibrated at 5 g peak and 120 Hz, no subsequent calibration necessary