Capacitive proximity switches are available as IP 69K sensors up to 90 °C and well suited for corrosive environments. High temperature switches for temperatures up to 200 °C are available as well. Large switching distances up to 120 mm and sensors made from PTFE or PEEK, especially well-suited for the food industry, are also part of the product program. These special sensors are also extremely resistant to chemicals. Analog sensors determine distances. EX-proof sensors in accordance with ATEX are available as dust-EX and gas-EX sensors.