Robotic arms and robots depend completely on sensors for finding out the amount of force to be applied to an object or the range of motion needed. The Macro Sensors Miniature LVDT Position Sensors, which are attached to a robotic arm help in accurately detecting change of position when an actuator shifts the robotic arm.
This then gives an analog voltage signal, which is proportional to the amount of motion, and transmits it to a controller that would make adjustments, which are based on programmable set points. The data provided, helps the sensor to find out when the robotic arm should slow down or stop. The CD 375 miniature LVDTs are fitted into devices such as servo valves, hydraulic actuators and medical equipments. Its compact size (3/8”) and design and lightweight core makes it perfect for applications that need high dynamic responses found in equipments such as copy machines, ATMs, automatic inspection equipments and plastic injection molding machines.
These sensors are housed in a stainless steel container and their epoxy encapsulation gives protection to the units from hostile environmental conditions. Its external sealing is in line with IEC standard IP-61. Being interchangeable with most manufacturer units, this series work with any conventional and differential input LVDT signal conditioners. Macro Sensors created in 1994 has almost 200 years of design and manufacturing experience through its employees.
Source: http://www.macrosensors.com