Q
What materials are used in the construction of this pressure gauge?
The case, ring (cover), connection, element (Bourdon tube), and movement are all made of stainless steel. The pointer is aluminum alloy with a black finish, and the dial plate is white aluminum with black graduations. The window is glass.
Q
What is the thread specification and connection location for this gauge?
The gauge uses a 1/2" BSP thread and features a lower connection location, making it suitable for standard bottom-mount installations in most industrial setups.
Q
Can the pressure limit settings be adjusted without opening the casing?
Yes. The upper and lower pressure limit settings can be easily adjusted via the setting pointer directly on the dial face, with no need to open the casing. This makes configuration safe and convenient during operation.
Q
What voltage and current ratings do the electrical contacts support?
The electrical contacts typically support AC 220V/380V with a current rating of 3A–5A. This allows them to directly drive small and medium-sized relays or contactors without additional signal amplification.
Q
How long is the expected service life of the electrical contacts?
The contacts are designed for durability, with a typical service life exceeding 100,000 switching cycles. This robust construction significantly reduces maintenance frequency and replacement costs.
Q
Is this pressure gauge suitable for use in refrigeration and HVAC systems?
Yes. This gauge is well-suited for refrigeration and air conditioning systems. It monitors refrigerant pressure and can trigger automatic system regulation or protective shutdowns, helping maintain safe and efficient operation.