| Specifications | Diameter | 30mm | |||
| Height | 10mm | ||||
| Sensitivity | 90 arc minutes per 2mm | ||||
| Material | Aluminium base and glass window | ||||
| Bubble Size | 5mm | ||||
| Ring Diameter | 8.2mm 13.5mm 18.8mm | ||||
| Ring Color | Black | ||||
| Liquid Color | Clear | ||||
| Storage Temp | -40℃ to +90℃ | ||||
| Remark | All Specifications above can be customized | ||||
| Drawing | |||||
| Features | Sensitivity from 5 to 120 arc minutes | ||||
| Precision optical top lens | |||||
| CNC mechined made from solid aluminium | |||||
| Black anodised finish | |||||
