1. LDM-50XY dual axis glass tube laser diameter gauge 2. accuracy: 0. ... , wire, pipe LDM-50XY dual axis glass tube laser diameter gauge is the high-accuracy survey ... 02%×(Reading)±0.002mm LDM-50XY dual axis glass tube laser diameter gauge (measuring head) 2. The ... Co.,ltd. Add: Room 527, Building 2, Fuhan Garden, Xinbei District, Changzhou, Jiangsu, China P.C:213022 LDM-50XY dual axis glass tube ...