welding machine special potentiometer Model No.:RV24Description:PotentiometerMax.working VoltageL315VResistance range and tolerance:100-2MΩ End resistance: ≤ 3 Ω Rotational noise: ≤ 47mVRotation torque:5--30mN.mTotal mechanical travel:300 ± 5 °Mechanical life:15000 cycles welding machine special potentiometer