Complete with heating box and fume duct. The 500 watts heaters six inches apart having the individual on/off switches and energy regulators. The height of the fume duct with clamps provided is adjustable to accommodate.
Kjeldhal flasks of 300 ml, 500 ml and 800 ml.
A.Unit with individual energy regulators for 3 tests with 3 x 500 ml flasks.
B.Unit with individual energy regulators for 3 tests without flasks.