The 71430 Manual Shutter is a low cost and easy device for reliably checking radiometric zero. The easily accessible lever moves a slide in and out of the optical path. It has 1.5 Inch Series male and female flanges.


71430手动快门是一个低成本和容易可靠地检查辐射零的设备。容易接近的杠杆移动一个幻灯片在光的路径。它有1.5英寸系列的男女法兰。