These are sturdy double walled units with outer chamber
made of M.S. sheet duly enamel painted with inner made up
of anodised aluminium or S.S. sheet. The gap between inner
and outer chamber is filled with high grade glass wool to
avoid thermal losses. Beaded heating elements are placed
in ribs, at bottom and sides. Inner chamber is provided
with ribs for adjusting perforated helves to convenient
height. The door is fitted with glass viewing window to
facilitate inspection of sample without disturbing the test
Temperature is controlled by "EGO" / "JUMO"
GERMAN hydraulic type capillary thermostat from ambient
to 70°C ± 0.5°C. An L shaped prismatic thermometer
is fitted to unit for reading the chamber temperature. Air
ventilators are also provided on the sides of unit. To work
on 220/230 volts A.C. supply.