Autonics Proximity Sensor Cylindrical Long Range Proximity Sensor DC 2 Wire PRDWT12 8DO Modular Hammer Blue Grey Specification item model symbol Specification Specification item model symbol Specification information With auto switch D With auto switch installation support B Basic type tube material aluminum tube tube inner diameter 40 tube inner diameter 40mm Types of port screws Rc cylinder stroke 400 Cylinder stroke 400mm Cylinder additional symbol No bellows Specification item model symbol Specification information built in magnet D built in magnet installation support B Basic type tube inner diameter 16 tube inner diameter 16mm cylinder stroke 5 cylinder stroke 5mm dual stroke mark No dual stroke mark cylinder stroke 2 Cylinder stroke 2 None option Standard (rod end female thread) auto switch Without auto switch Auto switch additional symbol 2 with or without Custom made specifications standard