Three Terminal Oil Cell, is as per the drawing given in IS: 6103 & 6262 -1971/ ASTM D 924 ( fig. x3 ) for routine tests. Cell so fabricated as to assemble and dismantle with ease to facilitate easy cleaning of its component parts at regular intervals.
Electrodes are of stainless steel ( SS : 316 ) so that they are not chemically affected by mild acids found in oils of petroleum origin. This cell be used at temperature upto 1500 C.