Vibro Meter CA 901: High-Temperature Piezoelectric Accelerometer
The CA 901 from Vibro Meter is a robust piezoelectric accelerometer. It operates in extreme temperatures and monitors loose parts. This device offers proven reliability for demanding industrial applications. It meets strict standards like NRC guide 1.133 and IEEE 323-1974. The unit also carries certification for use in explosive atmospheres.
Core Technical Specifications
- Brand: Vibro Meter
- Model: CA 901
- Frequency Response: 3 Hz to 2,800 Hz (±5%)
- Sensitivity: 10 pC/g ±5% at 120 Hz
- Dynamic Measuring Range: 0.001 g to 200 g peak
- Linearity: ±1% across the full dynamic range
- Temperature Range (Operational): -196°C to +700°C
- Mounted Resonance Frequency: > 17 kHz nominal
- Shock Resistance: Up to 500 g peak (1 ms half-sine)
Environmental Durability
- The sensor withstands continuous temperatures from -54°C to +650°C.
- Its housing uses durable Inconel 600 and is hermetically welded.
- This design provides excellent resistance to corrosion and humidity.
- The accelerometer can handle high pressure up to 140 bar at 23°C.
- It is also immune to high gamma and neutron flux radiation levels.
Electrical Characteristics
- The device requires no external input power for its operation.
- It provides a two-pole charge output that is insulated from the casing.
- You must use a charge converter for proper signal processing.
- The internal insulation resistance is a minimum of 10^9 Ω.
- Nominal capacitance is 80 pF pole-to-pole for the transducer.
Installation & Mounting
- Install the unit securely inside a tube for accurate measurements.
- Use four Allen screws of size M6 for a firm and stable mounting.
- Apply a fastening torque of 15 Nm to ensure proper installation.
- This method guarantees optimal performance and signal integrity.
Packaging & Shipping
- Your order includes one CA 901 accelerometer unit.
- We ship all orders promptly using reliable courier services.
- You can choose from FedEx, UPS, or DHL for your delivery.
- The product ships with a Lemo connector and a 5-meter cable.
Frequently Asked Questions
- What is the transverse sensitivity? It is less than 5%.
- Can it be used in hazardous areas? Yes, it is ATEX certified.
- What is the overload capacity? It handles spikes up to 500 g peak.
- What is the lower frequency limit? It is 3 Hz with compatible electronics.
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