These Vacuum Cube 6x12 inch heater plates are designed to fit our 6x6x12 vacuum cubes (each cube requires 6 plates) and will safely provide up to 140°C of uniformly distributed heat to the vacuum side of the plate surface, through a 120VAC 360W heating element. These vacuum thermal test fixtures expand the capabilities of our Vacuum Cubes whereby they can be used as Thermal Vacuum Chambers (TVC) or Thermal Shock Vacuum Chambers (TSVC). Applications include thermal stability testing, surface coating and implantation, and damage testing under thermal load. This heater plate has an integrated Type-K thermocouple, and works directly with our single zone PID Plug & Play Heater Control Systems, which are designed to accurately measure and control the temperature of our Cube heater plates. When a single Cube heater plate is used, and once the system has reached thermal equilibrium, the rest of the chamber will be approximately 10°C less than the heated plate itself. Multiple heater plates may be used (up to the heater control system's maximum power load) to help eliminate this temperature differential. Please note that the maximum allowable temperature using Viton O-rings is 150°C. If your Cube chamber application requires higher temperatures and multiple heating plates, you will need our high temperature vacuum Cube hardware kit with Kalrez O-rings, which will increase the maximum safe operating temperature to 275°C. Please contact customer service online or at (505) 872-0037 to order a high temperature Cube kit. Please note that ramp-up time is dependent upon the heater control system, number of heater plates, ambient operating conditions, and whether the vacuum cube is insulated. Importantly, temperature gradients due to conductive losses through the heater plate edges are kept to a minimum with integrated, machined stand-offs that minimize the contact surface between the plate and the Vacuum Cube frame. An aluminum anodized shield on the air side of the heater plate helps control convective losses due to ambient conditions (and helps protect users from direct contact with the heated plate).
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