Excellent for quantitative analysis and organic ashing application. Basic and Single set point modals feature digital temp. control. LED display chamber temperature continuously, display set point at the touch of the button. All modals features fiber instillation in the chamber & firebrick insulations around the heating element . The fiber insulations cool down fast while  the firebrick provide longer life for the heating elements, Heating elements located on sides,  top, and bottom to the chamber provided excellent temperature Uniformity. as well as minimum chamber temperature gradient. Heating elements are easily replaceable. Just disconnect and  back to open cover. horizontal open door has maximum access with minimum head room for  easy loading & unloading. Furnace cabinet saved rugged & made of welded steel with a   powder coated finish