Dyno Racing2" 52mm Mechanical Barometer 0-10 Bar/0-150PSI Air Pressure 12V Press Gauge Yellow Light Car Meter NPT1/8

Here's a review of the Dyno Racing 2" 52mm Mechanical Barometer:Pros:Mechanical Gauge: Being a mechanical gauge means it doesn't require electrical power for operation, relying instead on mechanical components for measuring air pressure. This can be advantageous in certain applications where electrical connections are limited or avoided.Wide Range: The gauge covers a broad measurement range of 0-10 Bar or 0-150 PSI, making it versatile for various applications, including monitoring air pressure in automotive, marine, or industrial settings.Visibility: The yellow backlighting enhances visibility, especially in low-light conditions or at night, ensuring the gauge readings are clear and easy to read.Durable Construction: Designed for automotive use, the gauge is typically built with durable materials that can withstand vibrations and harsh conditions, ensuring longevity and reliability.Easy Installation: It's designed to fit a standard 2" (52mm) gauge pod or dashboard cutout, and installation is straightforward for those familiar with automotive gauges.Cons:Accuracy: Mechanical gauges can sometimes be less accurate compared to digital counterparts, especially at the extreme ends of their measurement range or under fluctuating conditions.Maintenance: Mechanical gauges may require occasional calibration to maintain accuracy over time, though this is typically less frequent compared to electronic gauges.Compatibility: Ensure compatibility with your specific vehicle or application, including verifying the thread size (NPT1/8 in this case) and the operating pressure range required for your needs.Overall Assessment:The Dyno Racing 2" 52mm Mechanical Barometer is a reliable choice for monitoring air pressure in various automotive and industrial applications. Its mechanical design, wide measurement range, durable construction, and yellow backlighting for enhanced visibility make it a practical and functional addition to any vehicle or equipment requiring precise air pressure monitoring. Consider its accuracy requirements and compatibility with your setup to ensure it meets your specific needs effectively. If you prefer a mechanical gauge with easy installation and robust performance, this model could be an excellent fit for your requirements.

Was and does what I need it to. Had to have my own line and fittings but still a great product.