Model POL 20 Resistance range  1kohm to 10 kohm el. angle 45° to 320° mech. angle continuous rotation  Linearity +/- 1 % Rotational life 1'000'000 Cycles           Model POL 220   Resistance range 1kohm to 10 kohm el. angle 45° to 340° mech. angle 320° and continuous Linearity +/- 1 % Rotational life 5'000'000 Cycles             Model POL 222 Tandem Resitance range  1kohm to 10 kohm el. angle 45° to 320° mech. angle 320° and continuous Linearity +/- 1 % Rotational life 5'000'000 Cycles           Model POL 230   Resistance range  1kohm to 10 kohm el. angle 45° to 340° mech. angle continuous rotation  Linearity +/- 1 % Rotational life 20'000'000 Cycles             Model HWL 60 Resistance range  1kohms to 10 kohms el. Angle 45° to 345° mech. Angle continuous rotation Linearity +/- 1 % Rotational Life 5'000'000 Cycles Model HWL 66 Resistance range  1 kohm bis 10 kohm el. angle 360° mech. angle continuous rotation Linearity +/- 1 % Rotational life 5'000'000 Cycles           Model PGL 60 Resistance range  1kohm to 10 kohm el. angle 20° to 348° mech. angle continuous rotation Linearity +/- 1 % Rotational life 25'000'000 Cycles           Model POL 720 Resistance range  1 kohm to 10 kohm el. angle 45° to 120° mech. angle 126°  Linearity +/- 1 % Rotational life 500'000 Cycles