Double-wall construction with MoldathermŪ insulation for rapid heat-up and cool-down, energy efficiency and cooler exterior surface temperatures. Temperature range is 500°C to 1500°C. Silicon carbide heating elements for long-life, safety and reliable service with maximum energy savings. Safety door switch interrupts power to heating elements when door is opened; protects elements and minimizes exposure to operator. MoldathermŪ hearthplate supports load and protects interior from spillage and mishandling. Type "R" Thermocouple is integrated into chamber backwall. Choose vertical lift or side-swing door. Two types of controllers are available: Digital Single Program, multiple segment programmable controller; Digital Multiple Program, multiple segment programmable controller. Overtemperature Control (OTC) is installed on certain models. RS485 Digital communications port available as an option. Allows controller to be connected to a PC for remote monitoring and control of the furnace. Up to 30 units can be connected to one PC. All models are 208/240V. Shipping weight: 320 Lbs.