Technical Parameters Category Specification Model M22-WLK-W Product Type Ultrasonic Proximity Sensor Housing Thread M22 x 1 Sensing Range Typically up to 200 mm (0.2 meters) or similar, programmable. Sensing Object Virtually any solid or liquid material (sound-reflective). Output Type Typically 1 PNP and 1 NPN output, programmable for NO/NC operation. Output Configuration 4-wire (2 for power supply, 1 PNP output, 1 NPN output). Supply Voltage 10-30V DC Current Consumption Typically < 30 mA Connection Type Quick-Disconnect (Connector), likely a standard M12 connector. Housing Material Typically brass or stainless steel with PTFE/POM sensing face. IP Rating IP67 (Dust-tight and protected against temporary immersion) Key Features Programmability Teach-in function for easy setting of switching points. Temperature Compensation Built-in for stable performance in varying temperatures.