Linear displacement sensor SPR18
conductive plastic potentiometerspring-loaded potentiometeranalog

linear displacement sensor
linear displacement sensor
linear displacement sensor
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conductive plastic potentiometer, spring-loaded potentiometer
Output signal
Measurement object
Protection class
Other characteristics
compact, rugged, high-resolution, high-precision, absolute, rectangular
Measuring range

Min.: 25 mm
(0.98 in)

Max.: 100 mm
(3.94 in)


The SPR18 series displacement sensors are used in industrial applications requiring a compact linear transducer with spring-suspended probe tip, long life, high accuracy, rear and front guided pushrods and measuring lengths from 25 to 100 mm. The compact and robust SPR18 series linear potentiometers are designed for industrial applications. The anodized aluminium housing profile is 18x18 mm, the standard industrial size. The transducer has a stainless steel ball in the probe tip, e.g. for scanning profiles or monitoring distances. In the SPR18 displacement sensor series, the mechanical detection of linear motion is achieved by a front and rear guided push rod. Potentiometric displacement measurement is performed using a high-resolution conductive plastic resistive element. The compact encoder has a very long life and high accuracy due to its good linearity. As the potentiometric measuring principle provides absolute values and requires no electronic conversion, the position feedback signal is true power on without delay, temperature stable and robust against EMC influences. Customization on the cable (length, connector version) or on the pushrod (length, thread, flat...) is available on request. The SPR18 is available with either connector or cable connection.


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