Electrical operated on 220 volts A.C./D.C. comprising of mild steel tublar stand painted with stove enamel and Kjeldhal test heaters and brass condenser rack with water supply arrangement for condensers and clamps. Kjeldhal heater box is provided with asbestos cement top to receive the Kjeldhal flasks with electric heating elements connected through individual ON/OFF switches & controlled by a energy regulator or individual energy regulator, without glass parts.The receiver flask can be kept on the stand.

(a) Unit for three tests with single energy regulator.

(b) Unit for three tests with three energy regulator.

(c) Unit for six tests with single energy regulator.