The laboratory furnace is used to sinter zirconium ceramics up to 1650°C. The heating system consists of high-quality MoSi, heating elements. A high-quality inner insulation ensures low power consumption. The furnace is equipped with a security board that ensures that the furnace door does not open accidentally. The HT controller is equipped with a thermocouple circuit breaker to prevent overheating of the furnace in case the sensor of the furnace is defective.