Ultra flat membrane linear potentiometer position sensor
Hoffmann+Krippner

Flat, wear-free and hermetically sealed: Sensofoil ® membrane potentiometers from Hoffmann + Krippner are ultra-flat and very accurate linear and rotary position sensors. In comparison to mechnical potentiometers, Sensofoil ® offers significant cost advantages as well as a much longer lifecycle.

Due to their flat design of 0.5 mm (0.02 in.) to 1 mm (0.04 in.) and their simple adaptation to customer requirements, Sensofoil ® membrane potentiometers from Hoffmann + Krippner are the ideal solution for restricted installation conditions.

Standard elements of 50 mm to 500 mm are available, as well as very favourably priced customer-specific variations. In particular the good repeat accuracy, the easy to achieve redundancy and the problem-free integration into new and existing designs represent decisive advantages.

Sensofoil ® follows the shape and function of the specific application: linear, circular or customer-specific shapes are available, also available with non-contact connection (Sensofoil ® Magnet).

Depending on various parameters, the service life comprises 1 million operations to 60 million operations and the repeat accuracy 1 mm to 10 µm. All Sensofoil ® standard products are sealed to IP 65/NEMA 4X, enhanced sealing is available as well.

Features
• Extremely flat membrane foil potentiometer
• Can be operated by hand (input) or wiper (tap)
• Simple adjustment to customer design

Composition
• Adhesive film, selection according to requirement
• Basic membrane with potentiometer resistance
• Spacers between upper and lower membrane
• Collector membrane as wiper tap for hand or wiper actuation