Screw-in resistance sensors are ideal for surface measuring. They are screwed directly into the component and are available with various thread sizes. The PWF 3 has a fast reaction time. And has a 10 mm key-size, which offers an easily screw into the component. The passage from sensor to compensating wire is conical strain relieved. An Ø 8 x 65 mm spring is used as anti-kink protection.