Elemental Microanalysis will sell you replacement elements (one at a
time), and Kanthal-Globar would sell you some (minimum order??). There
are other furnace companies that may have heating elements too see:
If you have the element out, and have some spare Macor and money around,
you might want to have a shop mill out backup collar.
On 6/22/2011 1:15 PM, A. Schauer wrote:
> Hi all,
> Our TCEA on our MAT253 stopped heating. We can sadly watch a
> reasonable, decreasing, temperature displayed on the controller. The
> thermocouple has a resistance, when unplugged, of 0.7 ohms. The
> heating element has a resistance, when unplugged, of 300 ohms. The
> manual seems to indicate that a new element will have a resistance of
> 5 ohms and an older one 9 ohms.
> 1) Am I interpreting things correctly when I think the element is
> dead? If so, any chance I can order just the element? I see a
> smattering of old posts indicating folks have done this but no details
> are specified. Does Thermo sell just the heating element? If not, what
> alternative company have you had success with?
> 2) I see the part number for the entire oven assembly is EX1121200 and
> has a cost of $8212 with 35% back if exchanged. Does anyone know of
> any alternatives?
> Thank you.
> Andrew Schauer
> Earth and Space Sciences
> University of Washington
> Seattle, WA 98195
> [log in to unmask]
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