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1.故障现象:一窑式电阻炉,用热电偶测温,由电子电位差计显示。按通电阻炉电源后,炉温开始上升,升温过程均正常。当炉温
1. Symptom: A kiln-type resistance furnace, with thermocouple temperature, the electronic potentiometer display. Press through resistance furnace power supply, the furnace temperature began to rise, the heating process are normal. When the furnace temperature