Bellows Type Air Pressure Gauge Dual Needle for Low Pressure System

A "Bellows Type Air Pressure Gauge Dual Needle for Low Pressure System" refers to a specific type of pressure gauge designed for measuring air pressure in low-pressure systems. Let's break down the key components and features of this type of gauge:

1. Bellows Type: This indicates the type of pressure-sensing element used in the gauge. Bellows are flexible, accordion-like components that expand or contract in response to changes in pressure. They are often used in pressure gauges for their sensitivity and ability to measure low pressures accurately.

2. Air Pressure Gauge: This is a gauge specifically designed to measure air pressure. Air pressure gauges are commonly used in various applications, including HVAC systems, pneumatic tools, and other systems where air pressure monitoring is important.

3. Dual Needle: The term "dual needle" suggests that this gauge has two separate needles or pointers on its dial. Each needle is associated with a different pressure scale or range. Dual-needle gauges are used when you need to monitor and compare two different pressure readings simultaneously. This can be useful in systems where you want to maintain a particular pressure differential or ensure that two pressures are within a specific range.

4. For Low Pressure System: This gauge is specifically designed for measuring low pressures. Low-pressure systems typically operate at pressures significantly lower than high-pressure systems, and specialized gauges are required to accurately measure and monitor these lower pressure ranges. The gauge will likely have a lower pressure range indicated on its dial to reflect its suitability for low-pressure applications.

In summary, a "Bellows Type Air Pressure Gauge Dual Needle for Low Pressure System" is a sensitive pressure gauge designed for measuring air pressure in low-pressure systems. It features a bellows-type pressure-sensing element for accuracy, dual needles for monitoring two pressure readings simultaneously, and it is calibrated for low-pressure ranges. This type of gauge is commonly used in applications such as HVAC, pneumatic systems, and other processes where low-pressure measurement is critical.