The HTC - Hexacon Temperature Control soldering station offers economical temperature control with a dual station capability. The heating / temperature sensing element is located inside the soldering tip for the most efficient response. The control allows independent temperature set point selection and the solid-state circuitry regulates temperature to within ±10 F from 550F to 850F. The HTC stations come in the 25-watt Standard Power (HTC-5520) or the 40-watt High Heat capacity (HTC-5530) models and the versatile dual task two-iron station. ESD Safe. Available only in 115 volt models.