BARTINGTON INSTRUMENTS
Page 57 of 82 OM0408/49
Caution:
Do not use sharp objects as they may damage the heating element or the furnace
tube.
2. Rewind the insulation from a strip of the fabric provided, 500mm x 60mm. It is necessary to
burn off the binding material from the silica fabric. To do this, retain the fabric in place with
aluminium foil whilst heating the furnace to 800
o
C.
WARNING:
When using aluminium foil, do not allow it to come into contact with the
threaded brass support rods which carry current to the furnace.
3. Carefully remove the foil, and the furnace will be ready for use.
18.3. Thermocouple Installation
The type ‘S’ thermocouple base is clamped by a screw within the furnace assembly. The
thermocouple tip can therefore be positioned at the desired height. The centre of the heating
zone is 35mm from the top of the silica tube, or approximately 147mm from the top of the
furnace base.
