| 摘要 |
PURPOSE:To remove a defect of a mechanical meter and to display clearly and exactly that a deviation has exceeded a display range, by providing a plurality of light emission diodes together with a temperature setting dial, and constituting so that those which are positioned in accordance with a temperature deviation can emit light. CONSTITUTION:This temperature controller is provided with a temperature setting dial 1 and a plurality of light emission diodes 21-31 arrayed together with this dial 1, the light emission diodes 21, 31 positioned at both ends of this light emission diode array are constituted of a 2-color (for instance, red and green) diode, and other light emission diodes 22-30 are constituted of a monochromatic (for instance, red) light emission diode. In this way, the light emission diode which is positioned in accordance with a temperature deviation is lighted by a light emission color of the monochromatic light emission diodes 22-30, and when the temperature deviation has exceeded the display range, the light emission diode 21 or 31 positioned at the end part is lighted by other light emission color (for instance, green). |
