Product Specifications

Model	CA303
Part Number	144-303-000-011
Product Type	Piezoelectric Accelerometer
Sensitivity	50 pC/g ±5%
Frequency Response	5 Hz to 3000 Hz (±5%)
Resonant Frequency	> 5 kHz
Dynamic Measuring Range	0.01 g ~ 40 g Peak
Overload Capacity	Up to 100 g Peak
Linearity	±1% of Full Scale
Transverse Sensitivity	< 5% (20 ~ 300 Hz)
Internal Insulation Resistance	≥ 10⁸ Ω Pole-to-Ground, ≥ 10⁹ Ω Pole-to-Pole
Operating Temperature Range	-54°C ~ +455°C
Connector Temperature Range	-54°C ~ +230°C
Short-Term Survival Temperature	-54°C ~ +500°C
Shock Resistance	Max 1000 g Peak
Housing Material	Inconel 600

The Vibro-Meter CA303 144-303-000-011 Piezoelectric Accelerometer is a high-temperature vibration sensor used for continuous monitoring of gas turbines and other critical rotating machinery operating in demanding industrial environments. The sensor provides a differential charge output and delivers a sensitivity of 50 pC/g, allowing accurate measurement of vibration levels across a wide operating range.
The CA303 series supports continuous operation at temperatures up to 455°C (850°F) and utilizes a rugged Inconel 600 hermetically welded housing for excellent resistance to heat, corrosion, humidity, and mechanical stress. An integral mineral-insulated cable with stainless-steel overbraid helps maintain signal integrity in harsh environments commonly found in gas turbines and power generation facilities.

Frequently asked questions：

Q1: What is the Vibro-meter CA303 144-303-000-011 Piezoelectric Accelerometer used for?
A1: The CA303 Piezoelectric Accelerometer is used to measure vibration and acceleration levels in rotating machinery, helping monitor machine condition, detect faults, and support predictive maintenance programs.

Q2: What is the sensitivity of the CA303 accelerometer?
A2: The CA303 accelerometer provides a sensitivity of 50 pC/g ±5%, ensuring accurate vibration measurement across a wide range of operating conditions.

Q3: What is the frequency response range of the CA303 sensor?
A3: The CA303 offers a frequency response of 5 Hz to 3000 Hz (±5%), making it suitable for monitoring both low-frequency and high-frequency machine vibrations.

Q4: What is the resonant frequency of the CA303 accelerometer?
A4: The CA303 sensor has a resonant frequency greater than 5 kHz, providing stable performance and minimizing measurement distortion within its operating range.

Q5: What is the operating temperature range of the CA303?
A5: The CA303 accelerometer operates within a temperature range of -54°C to +455°C (-65°F to +851°F), making it suitable for harsh industrial and high-temperature environments.

Product Applications

Aerospace and Gas Turbines Monitoring
Oil & Gas/Petrochemical Industry
Heavy Duty Machinery
Power Generation

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④ GE: IS200/DS200 series Excitation system card, IC693/IC695/IC697/IC698/IC200/IC660/IC670 CPU module
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⑨ HIMA: F8650X, F7105A , F6217 , F3237 , F3330 , F8628X ,F6205
⑩ Invensys Foxboro: FCP270, FCP280, CP30B, FBMSSW, FBMSVH, P0903CV, FCM10E

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