Telescoping Hydraulic Cylinders SL4000 Internal Mount Safety Rated Linear Position Sensor – 46 ft (14 Meters) Read more SL5000 Internal Mount Safety Rated Linear Position Sensor – 52 ft (16 Meters) Read more SL6000 Internal Mount Safety Rated Linear Position Sensor – 100 ft (30 meters) Read more Make The "Switch" to CPI If your momentary switch application demands high performance, we think you should demand CPI. Please call us today to speak with our engineering team about your needs. (973) 887-9400