HMD60 has 2 lead-throughs (M16x1.5 and M20x1.5) that can be used with a variety of cable gland and conduit options. Figure NN shows the cable gland and conduit options available from Vaisala.Figure 1. HMD60 Cable Gland and Conduit Options 1 Cable Gland and O-ring M16 x 1.5 (Vaisala order code: 254280SP). This is the default option delivered with HMD60. 2 Conduit fitting and O-ring (M16x1.5 / NPT1/2") (Vaisala order code: 210675SP). Related tasksSpare Parts and Accessories