Vibro Meter Piezoelectric Accelerometer - 144-901-000-601

Vibro Meter 144-901-000-601 High-Temperature Piezoelectric Accelerometer

The Vibro Meter CA901 144-901-000-601 accelerometer delivers reliable performance in extreme industrial environments. This device excels in loose part monitoring applications with its wide operating temperature range. 

Core Product Features

• Operates effectively across an extreme temperature range from -196°C to +700°C
• Maintains consistent 10 pC/g sensitivity across the measurement range
• Features broad frequency response from 3 Hz to 2,800 Hz for comprehensive data capture
• Offers certified safety for use in potentially explosive atmospheres
• Provides integral case insulation and proven long-term reliability

Technical Specifications

• Brand: Vibro Meter
• Model: CA901 (Ordering Number: 144-901-000-601)
• Sensitivity: 10 pC/g ±5% at 120 Hz
• Measuring Range: 0.001 g to 200 g peak (random)
• Overload Capacity: Up to 500 g peak for spike protection
• Frequency Response: 3 Hz to 2,800 Hz nominal (±5%)
• Linearity: ±1% across full dynamic range
• Transverse Sensitivity: < 5%
• Resonance Frequency: > 17 kHz when mounted
• Cable Length: 5 meters with Lemo connector

Environmental Specifications

• Temperature Range:
  • Continuous Operation: -54°C to +650°C
  • Extreme Conditions: -196°C to +700°C
• Shock Resistance: 500 g peak (half sine, 1 ms)
• Pressure Rating: 140 bar at 23°C, 80 bar at 300°C
• Construction: Inconel 600, hermetically welded
• Radiation Resistance:
  • Gamma Flux: 10^11 erg/g with no effect
  • Neutron Flux: 10^18 n/cm² with no effect

Electrical Characteristics

• Signal Transmission: 2-pole system insulated from casing
• Output Type: Charge output requiring charge converter
• Insulation Resistance: Minimum 10^9 Ω
• Capacitance Values:
  • Pole to Pole: 80 pF + 200 pF/m cable
  • Pole to Casing: 18 pF + 300 pF/m cable

Installation & Mounting

• Mount inside tube using 4 Allen screws (M6 size)
• Apply fastening torque of 15 Nm for secure installation
• Ensure proper grounding and cable management
• Verify connector integrity before operation

Certifications & Compliance

• Meets NRC Guide 1.133 requirements
• Complies with IEEE 323-1974 standards
• Qualified to DIN 25.475.1 specifications
• ATEX Certified: LCIE 08 ATEX 6017 X II 1 G (Zones 0, 1, 2)
• Ex ia IIC T6 to T710 temperature classification

FAQ

• What cable length is included?
  This version includes a 5-meter cable with Lemo connector.
• Does this require external power?
  No, this accelerometer operates without external power requirements.
• What environments can it withstand?
  It operates in extreme temperatures, high pressure, and radiation environments.
• What signal processing is needed?
  You need a charge converter to process the output signal properly.