Test probe C for IP3X testing: Φ2.5 rod-length 100 (3N thruster for optional) Test Probe D for IP4X testing: Φ1.0 wire-length 100 (1N thruster for optional)
Test Probe 1: 500g steel sphere (0-50N thruster for optional)
Test probe 2: 15g steel sphere (0-30N thruster for optional)