WDL small pull-rod electronic ruler (also known as resistance ruler, potentiometer, displacement sensor) principle: The principle of potentiometer: All sensors are position measurement type, used in regulation systems (control systems) and measurement systems to directly measure displacement and length, and output DC voltage signals. The signals can also be converted into standard 0-5V, 0-10V or 4-20mA DC signals through built-in or external V/A transmission modules. It can also transmit control requirements over long distances. WDL small pull-rod type electronic ruler (also known as resistance ruler, potentiometer, displacement sensor) output displacement variation: 0-100% given input working voltage (varies with displacement).

The Miran WDL small pull-rod electronic ruler is a general-purpose electronic ruler suitable for position detection in various types of equipment, such as injection molding machines, die-casting machines, rubber machines, shoe machines, EVA injection molding machines, hollow blow molding machines, woodworking machinery, hydraulic machines, etc.