(Thermo-Couple Calibrators) Provide continuously variable voltage and current outputs. The range of current output variable from 0-200 mA and the range of voltage output of 0-200 millivolts DC. Selection of current and voltage output available by means of a front panel control. Choice of measurement of output source voltage. Output source current of unknown external voltage possible by front panel control on 3.5 digit display. Source impedance of 2 ohms for voltage source. Input impedance of DVM more than 10 M ohms. Cabinet size of 75 mm (H) x 185 mm (W) x 220 mm (D).