Features 1、[4mm Stroke Normally Closed] This CNC engraving machine tool setting gauge is with 4mm stroke and 5 wire, normally closed. 2、[Position Accuracy] CNC engraving machine tool setting gauge adopts 0.001mm position accuracy, contact life up to 30000 times, contact force 1.5N, contact rating is DC24V 20mA. 3、[No Built in Amplifier Required] Tool setting gauge has no need for built in amplifier, no deviation due to the temperature and power supply voltage fluctuations of the part where the tool is located, can be directly input to NC and program (PLC). 4、[High Accuracy and Alarm Signal] The sharpness angle of the tool setting gauge directly contacts the tip of the tool related to the machining size and measures its position, size and output signal with high accuracy. Alarm signal can be sent when overtravel. 5、[Dust Proof and Waterproof Structure] Tool setting gauge adopts dust proof and waterproof structure, good durability under the condition of cooling liquid and iron filings flying. Specification Item Type: CNC Engraving Machine Tool Setting Gauge Material: Aluminum, Cemented Carbide Tool Setting Speed: 50-200mm/min Temperature: 0℃-80℃ Current: 20mA Position Accuracy: 0.001mm (Condition: Operating Speed 50-200mm/Min) Output Mode: NC (Normally Closed) Contact Force: 1.5N (Installation State Needs To Be Vertical) Material Of Counter Tool Surface: Hard Alloy, Pure Tungsten Steel Surface Treatment: Mirror Grinding 4S Package List 1 x CNC Engraver Tool Plate Sensor Gauge