143-103-000-931 Vibro-Meter CP 103 Pressure Sensor

143-103-000-931 Vibro-Meter CP 103 Pressure Transducer

Product Introduction of CP 103 Series

The 143-103-000-931 represents the pinnacle of sensing technology within the Meggitt vibro-meter® product line for extreme environments. Specifically, this CP 103 model utilizes a VC2 type single crystal material in compression mode to ensure maximum stability. Because the design focuses on minimizing acceleration sensitivity, it provides clean pressure data even amidst heavy mechanical vibrations. Furthermore, the unit is certified for use in potentially explosive atmospheres, making it suitable for hazardous oil and gas applications.

Meanwhile, this piezoelectric device features an integral mineral insulated (MI) cable that withstands thermal stress without degrading signal quality. Additionally, the transducer is operational in the primary circuits of various nuclear reactors including PWR, BWR, and FBR types. Specifically, the hermetically welded Inconel® alloy 600 housing offers superior resistance to radiation and high-pressure steam. Therefore, global energy providers frequently rely on this specific model for long-term development testing and critical machinery protection.

143-103-000-931 Technical Specifications and Performance

The performance of the 143-103-000-931 is characterized by its high sensitivity and exceptional frequency response across a wide spectrum. First, the sensor provides a nominal sensitivity of 232 pC/bar, allowing for the detection of minute pressure fluctuations. Additionally, the frequency response spans from 2 to 10000 Hz, which is ideal for capturing acoustic phenomena in combustion chambers. Specifically, the dynamic measuring range covers 0.00004 to 20 bar, accommodating both subtle and significant pressure changes.

Furthermore, the unit demonstrates incredible durability with an overload capacity capable of surviving spikes up to 250 bar. Besides its pressure capabilities, the electronics maintain a high resonant frequency of over 50 kHz to avoid interference with operational data. For instance, the internal insulation resistance remains at a minimum of 109 Ω at room temperature to prevent signal leakage. Finally, the acceleration sensitivity is restricted to ≤0.05 pC/g, ensuring that structural noise does not corrupt the pressure measurements.

Mechanical and Environmental Parameters for CP 103 Sensor

Regarding physical resilience, this transducer utilizes INCONEL® alloy 600, a material known for maintaining strength at extreme temperatures. Specifically, the 143-103-000-931 operates continuously in environments ranging from −54 to +650°C, with short-term survival up to 700°C. Meanwhile, the assembly is fully impervious to 100% relative humidity and corrosive sea-salt atmospheres due to its hermetic welding. In addition, the device is tested to withstand high radiation levels, including significant Gamma and Neutron flux.

Specifically, the CP 103 model is built to survive mechanical shocks reaching 2000 g peak along its sensitive axis. Moreover, the MI cable is designed for high-temperature service and can be fitted with an optional overbraid for extra protection. Therefore, the sensor remains functional in the most demanding parts of a gas turbine or nuclear reactor core. Furthermore, the total weight of the transducer head is approximately 120 grams, making it compact enough for complex piping installations.

143-103-000-931 Installation Guide and Usage

Successful deployment of the CP 103 requires precise mounting to ensure the seal integrity of the high-pressure system. First, examine the mounting flange area to ensure it is free of debris or surface imperfections that could cause leaks. Next, secure the 143-103-000-931 using the integrated flange, which measures 27.5 mm in diameter, ensuring a flush fit against the housing. Specifically, you must follow the torque specifications provided in the technical manual to prevent over-stressing the Inconel casing.

Additionally, the transducer outputs a charge signal, which requires connection to a high-quality charge converter for proper signal processing. Furthermore, ensure the MI cable is supported properly to prevent fatigue from high-frequency vibration during turbine operation. Meanwhile, verify that the connector type, whether LEMO or high-temperature Vibro-Meter style, is properly seated and locked. Finally, double-check the insulation resistance before commissioning to confirm that no moisture has entered the connection points during installation.

Packaging List

• 1 x 143-103-000-931 Piezoelectric Pressure Transducer

• 1 x Integral Mineral Insulated (MI) Cable

• 1 x High-Temperature Connector (Pre-installed)

• 1 x Factory Calibration Certificate Summary

• 1 x Mounting Hardware Set (as per specific order)

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FAQ

1. What is the maximum operating temperature for the 143-103-000-931? Specifically, the device supports continuous operation up to 650°C and can survive extreme operational spikes up to 700°C.

2. Does the 143-103-000-931 require an external power supply? No, this is a piezoelectric sensor which means it is self-generating and requires no input power to produce a charge signal.

3. Can this sensor be used in nuclear reactor environments? Yes, the 143-103-000-931 is designed for the primary circuits of PWR, BWR, and other advanced nuclear reactor types.

4. What material is the transducer housing made of? The sensor is constructed from INCONEL® alloy 600, providing excellent resistance to corrosion, heat, and radiation.

5. Is recalibration necessary after purchasing the 143-103-000-931? The unit undergoes dynamic calibration at the factory, and no subsequent periodic calibration is typically necessary for standard monitoring applications.