Volatile Matter Furnace (ISO 562)

• This furnace offers improved temperature and reduced response times to meet the requirements of ISO 562;
• Fast heating: powerful open spiral elements are supported in lightweight insulation, providing fast heating – typically 20 minutes to 900°C;
• Use of a sophisticated algorithm ensures fast recovery of temperature after loading the samples – less than 4 minutes to return to 900°C +10°C;
• Calibration ports permit the insertion of unsheathed probe thermocouples from the back of the chamber, without risking touching live electrical connections;
• The probe thermocouple can be positioned under each crucible in turn;
• A chimney or flue is provided at the back of the chamber;
• Insulation: hardwearing refractory brick is used around the doorway and a silicon carbide floor provides abrasion resistance : lightweight ceramic fibre is used in other areas to ensure energy efficient fast heating and cooling, together with low heat loss into the room;
• Door action: a parallel upward action keeps the hot face insulation away from the operator during loading and unloading : when the door is opened, a positive action safety switch automatically isolates the heating elements from the supply to protect the operator from accidental contact with a live heating element;
• Power switching : solid state thyristor based zero voltage switching and rapid cycle time give smooth and reliable control with minimal electromagnetic emissions;
• Service is aided by diagnostic warning lights, a removable front instrument panel and easy access to the heating elements and thermocouple;
• Cool & safe outer case temperatures are achieved by natural convection moving air silently and reliably through cooling passages.
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Volatile Matter Furnace (ASTM)