CA306 144-306-000-321

Technical Parameters

Sensitivity (at 120 Hz) : 50 pC/g ± 5%

Dynamic measuring range (random) : 0.01 g to 100 g peak

Overload capacity (spikes) : Up to 200 g peak

Linearity : ±1% over dynamic measuring range

Transverse sensitivity : <5%

Resonant frequency : >15 kHz

Frequency response (typical) : ± 5% between 5 and 3 000 Hz (lower cut-off frequency is determined by

electronics used)

Internal insulation resistance : Min. 109 Ω pole-ground

Min. 109 Ω pole-pole

Compatible Equipment

The CA306 144-306-000-321 integrates seamlessly with industry-standard monitoring systems:

Vibro-Meter® Signal Conditioners: Pair with IPC704 charge amplifiers to convert the sensor’s 4–20 mA output into actionable vibration data for GE Frame 6B or Siemens SGT-700 turbines.

Bently Nevada 3500 Series: Use the CA306 144-306-000-321 alongside 3300 XL proximity probes for comprehensive shaft displacement and casing expansion monitoring in combined-cycle power plants.

ABB System 800xA: Compatible with Advant OCS control systems, the sensor supports predictive maintenance workflows in offshore platforms and LNG liquefaction plants.

Application Scenarios

Gas Turbine Health Monitoring: At a Middle Eastern power plant, the CA306 144-306-000-321 was installed on Mitsubishi M501J turbines to detect blade passing frequency anomalies. This reduced unplanned downtime by 22% through early detection of rotor imbalance.

Aircraft Engine Testing: A European aerospace lab used the CA306 144-306-000-321 to validate fan blade vibrations in Rolls-Royce Trent XWB engines during thermal shock tests (-196°C to +650°C), achieving ISO 17025 compliance.

Oil Refinery Pump Monitoring: In a Texas refinery, the sensor monitored vertical vibrations in centrifugal pumps handling sour crude. Its corrosion-resistant design extended service intervals by 40% compared to conventional accelerometers.

Installation & Maintenance

Optimize the CA306 144-306-000-321’s performance with these protocols:

Installation Guidelines

Mounting Alignment: Ensure the sensor is perpendicular to the measurement surface. Use ARINC 554-compliant bolts torqued to 8–10 N·m to avoid base strain errors.

Cable Routing: Secure the MI cable with stainless steel clamps every 0.5 meters to prevent mechanical stress. Maintain a 10 cm clearance from high-voltage cables to minimize noise.

Maintenance Best Practices

Quarterly Inspections: Check for cable abrasion and connector oxidation. Clean the housing with a dry cloth; avoid solvents that degrade Inconel 600’s protective oxide layer.

Resistance Testing: Measure insulation resistance (>10^9 Ω) between poles and housing bi-annually. Values below 10^8 Ω indicate moisture ingress requiring immediate replacement.

Calibration: Recalibrate sensitivity every 12 months using a 120 Hz reference signal. Tolerance beyond ±5% necessitates sensor replacement.