No. 938 is a 1250°F electrically heated inert atmosphere oven used for heat treating copper parts. Workspace dimensions measure 36 inches wide x 120 inches deep x 36 inches high. A 6,000-CFM, 5-HP recirculating blower provides a universal front-to-rear airflow to the load, and Incoloy-sheathed tubular heating elements deliver power to the unit. The oven features an aluminized steel exterior, stainless steel interior and 10-inch insulated walls. A digital programming temperature controller, manual reset excess temperature controller with separate contactors and SCR power controller are included.