These items can either be bought separately or as a set.
Upper Specimen Holder
Replacement upper specimen holder that holds the upper specimen, which is normally a 6mm diameter ball. The upper specimen is held in place by a small grub screw.
Lower Specimen Holder
Replacement lower specimen holder that holds the lower specimen, which is normally a 10mm diameter disc held in a recess in the specimen holder. The lower specimen is retained by two button head socket screws. The specimen holder is clamped to the heater block by two socket cap head screws. An angled hole in the left side of the specimen holder provides location for the main RTD used to measure the lower specimen temperature. The capacity of the lower specimen holder is approximately 5ml of fluid.