Accuracy Instrument
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| Case | Stainless steel |
| Size | 60mm (2.5") |
| Ring (Cover) | Stainless steel |
| Window | PC |
| Pointer | Aluminum Alloy, Black Finished |
| Connection | Brass |
| Connection Location | Lower |
| Thread | 1/4" NPT |
| Element (Bourdon Tube) | Brass |
| Movement | Brass |
| Dial Plate | White Aluminum with Black Graduations |
All components that come into contact with oxygen (including connectors, Bourdon tubes, mechanisms, etc.) must undergo rigorous degreasing and cleaning before assembly to ensure no grease residue remains. The assembly workshop must also be an oil-free environment.
Avoid using materials that easily generate sparks upon impact or friction (such as certain aluminum materials). Connector threads are typically made of copper alloys that do not easily generate sparks.
Measuring systems (such as Bourdon tubes) are typically made of copper alloys (such as phosphor bronze, brass) or stainless steel. These materials are not only resistant to oxygen pressure but also offer high safety and good corrosion resistance.
