Evaluating the Vibro Meter 143-216-000-251 for Your Application
When selecting a dynamic pressure transducer for extreme environments, engineers must weigh several critical factors. The Vibro Meter 143-216-000-251 offers a unique combination of high-temperature capability and robust pressure handling. This buyer's guide helps you assess whether this model meets your specific monitoring requirements.
Key Specifications and Their Practical Meaning
The 143-216-000-251 operates with a pressure sensitivity of 200 pC/bar, providing reliable charge output for dynamic measurements. Its frequency range spans 2 Hz to 15 kHz, making it suitable for capturing both low-frequency pulsations and high-frequency events in rotating machinery. The transducer handles extreme temperatures from -70 to 520°C, which is essential for gas turbine exhaust monitoring. Additionally, it supports high-pressure capability up to 350 bar, accommodating spikes in demanding systems.
These specifications directly influence your measurement accuracy and system longevity. For instance, the resonant frequency above 80 kHz ensures minimal phase distortion in the operating range. The internal insulation resistance exceeds 10^9 ohms, maintaining signal integrity even at elevated temperatures.
Application Scenarios for Gas Turbine Monitoring
In gas turbine applications, the 143-216-000-251 excels at dynamic pressure monitoring over a wide temperature range. Its extreme temperature capability of -70 to 520°C allows placement near combustion chambers where other sensors fail. The transducer's high-pressure capability up to 350 bar handles pressure spikes during startup and load changes.

Another common use is in development testing, where engineers need stable, repeatable measurements across varying thermal conditions. The CP 216 design uses man-made piezoelectric material for long-term stability, reducing the need for frequent recalibration. The integral mineral insulated cable with twin conductors provides reliable signal transmission in harsh environments.
Compatibility and Integration Considerations
The 143-216-000-251 connects to an IPC 704 signal conditioner via cable assemblies available from Vibro Meter. The transducer offers two connector options: a LEMO connector rated for -55 to 155°C, or a Vibro-Meter high-temperature connector rated for -70 to 650°C. Choose the high-temperature connector for applications near hot zones. The charge output signal requires a compatible charge converter for processing.
When integrating into existing monitoring systems, verify that your signal conditioner accepts the 200 pC/bar sensitivity. The transducer's 2-pole system insulated from casing ensures ground isolation, reducing noise in electrically noisy environments.
Business Value and ROI
Investing in the 143-216-000-251 reduces unplanned downtime by providing reliable pressure data in extreme conditions. Its wide temperature range eliminates the need for multiple sensors in different thermal zones, simplifying installation and maintenance. The dynamic measuring range from 0.0005 bar to 250 bar covers both small fluctuations and large pressure events, giving operators comprehensive insight into turbine health.

Over the long term, the transducer's stability minimizes recalibration costs. The factory calibration at 1 bar peak and 2 Hz requires no subsequent calibration under normal use, saving time and resources. For operations with high-temperature gas turbines, this model's extreme temperature capability directly translates to fewer sensor replacements and higher measurement confidence.
Frequently Asked Questions About the 143-216-000-251
What is the maximum pressure the 143-216-000-251 can handle?
The transducer has a high-pressure capability up to 350 bar, with an overload capacity for spikes up to 350 bar (static plus dynamic components). The dynamic measuring range is 0.0005 bar to 250 bar for random signals.
What temperature range does this transducer support for continuous operation?
For continuous use, the transducer operates from -54 to 470°C. For extreme applications, it can handle -70 to 520°C. The connector temperature range depends on the option chosen: the Vibro-Meter high-temperature connector supports -70 to 650°C, while the LEMO connector supports -55 to 155°C.
How does the 143-216-000-251 connect to a monitoring system?
The transducer uses an integral mineral insulated cable with twin conductors. It can be terminated with either a LEMO connector or a Vibro-Meter high-temperature connector. Cable assemblies are available to connect the transducer to an IPC 704 signal conditioner.
Why Choose BluePLC Industrial for Your Spare Parts
BluePLC Industrial specializes in sourcing and supplying industrial automation spare parts, including the Vibro Meter 143-216-000-251. We understand the critical nature of pressure monitoring in gas turbines and other extreme environments. Our team can help you verify compatibility and provide documentation to support your purchasing decision.
