Automatic Tool Setting Gauge High Accuracy 4-Lines NC CNC Engraving Machine Parts Item Type: Automatic Tool Setting Gauge Output Mode: B: NC (normally closed) Stroke: 5mm Repeatability: 0.001mm Electric Shock Life: 3 million times Protection Structure: IP67 Contact Force: 1.5N Material of the Contact Area: Hard-bonding Housing Material: Ground 4S Protection Tube: 1 meters minimum bending radius R25 Cable: 2 meters oil resistant 4-core Electrical Aspects: 1. Contact rating DC24V ± 10% 20mA (maximal) 2. When the body of the machine is grounded, use the tool setter to install it on the side of the ground wire. 3. For the tool setting instrument with LED, pay attention to the connection (+) (-) when connecting. Recommended value is 10mA, resistance load. 4. For the output structure when the interface unit is attached, please read the user manual