JC Furnace Automatic thermostat controls monitor the precise temperature you require, regardless of metal quantity. The furnace holds temperature within ±5°F (±3°C) to a working temp of 2102°F (1150°C), reducing metal temperature overshoot and protecting against element burnout. •Digital pressure–sensitive touchpad and LED display. •Built–in pyrometer and extended–life heating element. •Graphite crucible 1kg 2kg 3kg 4kg is extra optional •Automatic shut off/on. JIUCHEN Gold Melting Furnace is made for casting, reclaiming, alloying, and refining gold, silver and other metals with similar or lesser melting temperatures.Equipped with electronic temperature controls with digital displays, this melter can reach a maximum tem-perature of 2102F (1150C). JIUCHEN furnace meets the needs for individuals who are melting small to medium jobs. The unit is light and compact for easy travel. Some of the Metals that can be melted with this Furnace;Aluminum, Gold, Lead, Silver, Sterling Silver, Tin & Zinc.Melts Pure Jewelry grade Metals such as: Gold 8k-24k, Silver (coin,sterling,fine), Copper, and more.