The glycerin filling dampens vibrations and pulsations, protecting the internal components and providing stable readings, even in fluctuating pressure environments. It also lubricates the movement, extending the gauge's lifespan.Maximum Medium Temperature: 140 ℉/60 ℃. Ambient Temperature : -4 to 140 ℉/-20 to 60 ℃ . IP67 meaning it is dustproof and waterproof. The gauge has a diameter of 2-1/2 inches, making it easy to read and install in various settings. This size is standard for many pressure gauge applications, offering a clear view of the pressure readings. Measures pressure 0-5000 Psi/0-350 bar offering versatility for different applications and measurement preferences.Display accuracy is±3-2-3%. 1/4" NPT lower mount for secure installation.This type of connection is standard in many plumbing and pneumatic applications, providing a secure and leak-proof connection to the system being measured. Polycarbonate lens for superior durability. Stainless steel case for corrosion resistance. This makes the gauge suitable for use in harsh environments, including applications where it might be exposed to water, chemicals, or other corrosive substances. The JIVTO Pressure Gauge is suitable for a wide range of applications, including but not limited to Gas systems,RV hoses,Well tanks,Pneumatic air systems,Low-pressure testing.Any environment where precise pressure monitoring is crucial. Elevate your pressure monitoring accuracy with our top-tier liquid filled pressure gauge, meticulously designed for precision and durability. This gauge boasts a generous 2 1/2-inch face diameter, offering clear visibility of the pressure readings. With a range of 0 to 5000 PSI/Bar/kPa, it caters to a wide array of applications, ensuring versatility and reliability. The 1/4" NPT lower mount configuration provides a secure and leak-free connection, while the polycarbonate lens window offers superior resistance to impacts and scratches, maintaining readability even in harsh environments. The stainless steel case not only adds to the robustness of the gauge but also ensures corrosion resistance, making it ideal for use in industries where exposure to moisture and chemicals is a concern.