Vibro Meter - Accelerometer 144-901-000-222

Vibro Meter 144-901-000-222 Piezoelectric Accelerometer Overview

The Vibro Meter CA901 144-901-000-222 sets the standard for extreme-environment vibration monitoring. This piezoelectric accelerometer delivers proven reliability in the most demanding conditions. It features unmatched temperature capability from -196°C to +700°C. Engineers trust this sensor for critical loose part monitoring in nuclear applications. The integral case insulation and explosive atmosphere certification make it exceptionally versatile.

Key Technical Specifications

• The CA901 144-901-000-222 from Vibro Meter provides 10 pC/g ±5% sensitivity at 120 Hz.
• It covers a broad dynamic range from 0.001 g to 200 g peak.
• The sensor maintains excellent linearity within ±1% across its full range.
• It features a frequency response of 3 Hz to 2800 Hz (±5%).
• The mounted resonance frequency exceeds 17 kHz nominal.
• Its transverse sensitivity remains below 5% for precise measurements.
• The unit requires no external power and provides charge output.

Environmental Durability and Certifications

• The operational temperature range spans from -196°C to +700°C.
• It withstands shock acceleration up to 500 g peak (half sine 1 ms).
• Certified for Ex ia IIC T6 to T710 explosive atmospheres (ATEX).
• Constructed from Inconel 600 for superior corrosion resistance.
• Meets NRC Guide 1.133 and IEEE 323-1974 for nuclear applications.
• Resistant to gamma and neutron radiation without performance effect.

Installation and Mounting Guide

• Mount the sensor securely using four M6 Allen screws.
• Apply a fastening torque of 15 Nm for proper installation.
• The integral case insulation eliminates need for additional isolation.
• Connect via the 2-pole Lemo connector system insulated from casing.
• The housing withstands pressure up to 140 bar at 23°C.

Packaging and Shipping Information

• The package includes one Vibro Meter CA901 accelerometer unit.
• Standard version includes 12.5-meter cable length (ordering code XX=22).
• We ship all orders via reliable carriers including FedEx, UPS, and DHL.
• The sensor features hermetically welded construction for maximum protection.
• All units come with VM Lemo connector for easy integration.

Frequently Asked Questions (FAQ)

• What is the temperature limit for continuous operation? The CA901 operates continuously from -54°C to +650°C, with extreme capability to +700°C.
• Is this sensor suitable for nuclear power plants? Yes, it meets NRC Guide 1.133, IEEE 323-1974, and qualifies to DIN 25.475.1 for nuclear use.
• What certification does it have for hazardous areas? It carries EC type examination certificate LCIE 08 ATEX 6017 X for Zones 0, 1, 2.
• What is the frequency response range? The sensor provides ±5% accuracy from 3 Hz to 2800 Hz, with <10% to 3700 Hz.
• What cable length options are available? The standard version includes 12.5-meter cable (ordering code 144-901-000-222).