Data Sheet-Angle Displacement Sensor Potentiometer Model 8820


Catalog excerpts

Data Sheet-Angle Displacement Sensor Potentiometer Model 8820 - 1

Angle Displacement Sensor Potentiometer Model 8820 Code: 8820 EN ■ Measuring range 0° ... 350° depending on the model ■ Non-linearity 0.5 % F.S. ■ Duration 100 x 106 movements ■ Low torque ■ Continuous rotation possible ■ Exceptionally inexpensive ■ Options: IP65, non-linearity 0.1 % F.S. Application As an angle sensor that is both accurate and economical, this rotary potentiometer is suitable for all types of analog angle measurement up to 350°. Typical fields of application include: ► Position feedback in servo-systems ► Pendulum weighing machines ► Cam and butterfly flap positions ► Jockey roller controllers ► Measuring the tension of threads and tape ► Trigonometric measurements at joints Description The heart of the potentiometric angular displacement sensors is an extremely precise, low-wear resistor track made of plastic. Due to its high resistance to abrasion, the sensors are particularly suitable for measurements for the purpose of quality assurance in ongoing production, where a long service life and large numbers of rotations are required. The potentiometric angular displacement sensor uses a multi-finger slider system with precious metal contacts. This ensures good contact even when moving at high speed and in the presence of vibrations. The high-precision resistor tracks are pressed in a laser-controlled process and are therefore remarkably flat. This provides ideal conditions for a long service life. The stainless steel shaft is supported by close-tolerance, low-friction, stainless steel ball bearings with double sealing discs. Technical changes reserved. All data sheets at burster praezisionsmesstechnik gmbh & co kg Germany Talstr. 1-5 ■ Gernsbach 76593 ■ Phone +49-7224-6450 info@burster.c

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Data Sheet-Angle Displacement Sensor Potentiometer Model 8820 - 2

Technical Data Electrical values Maximum operating voltage: 50 V Recommended current in slider circuit (refer to drawing 1): < 0.1 pA Maximum current in slider circuit: 10 mA Insulation resistance: Voltage strength: Environmental conditions Range of temperature: Temperature coefficient of resistance: Temperature coefficient of output voltage: Mechanical values Measurement range: Option -V500: Non-linearity: Hysteresis: Resolution: Area of rotating: 350° ± 4° measuring range 345° ± 4° torque < 2 Ncm < ± 0.5 % F.S. < 15" angle measurement 0.01° 360° rotatable in clockwise direction, inside...

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