APEM TW Series

Proportional, Self-Centering Single Axis Thumbwheel.

The APEM TW series thumbwheel is a self-centering single-axis device intended for thumb-actuating applications. Utilizing non-contact hall effect technology, these thumbwheels are ideal for those jobs requiring proportional output. The TW series thumbwheel is available as a stand-alone or can be incorporated into a custom joystick. Configuration options also include linear voltage outputs as well as wheel colors.

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Axis-Options Single Self-centering single-axis design
Lever Angle (Degrees) 80° (± 40° from center) Proportional control
Z Axis ­- ­-
Life Cycles 5 million cycles ­-
Locks-Detents ­- ­-


Resolution 3.2mV ­-
Supply Voltage (Vdc) 4.5 - 5.5V ­-
Output Control Signal-Potentiometric or Hall Effect Hall effect Redundant outputs available
Controller Input Impedance (OHM)Ω ­- Return to center voltage (no load) ±200mV
Switch Option ­- Choice of wheel colors (red, blue, black and gray)
Connection Solder connection or lead wire 22 AWG


Operating Temperature Range −40°C to +85°C ­-
Storage Temperature Range −40°C to +85°C ­-
Environmental Protection IP67 Electronics sealed to IP67


Handle Solutions Multiple color With or without tab
Inputs from Handle ­- ­-
External Inputs (Other than handle) ­- ­-
Directional Safety Switches ­- ­-

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