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意大利B-5型光栅光谱仪是六十年代引进的大型光学仪器。使用20多年来,由于种种原因,谱线黑度一直下降。为保证谱线黑度在乳剂特性曲线的直线范围,只得延长曝光时间,由开始的20秒、继而60秒、100秒,直至无法工作,最后仪器陷于瘫痪。我们经过近两年的摸索,并在新天光学仪器公司的大力支持和协助下,只花了约八百元,就成功地将这台价值十六万美元的精密仪器完全修复。一、修复前仪器的情况(一)电气部分的情况仪器由于使用多年,导线老化,绝缘不佳,雨季时节,电气部分多次短路,高压变
Italy B-5 grating spectrometer is introduced in the sixties large-scale optical instruments. The use of more than 20 years, due to various reasons, the black line has been declining. In order to ensure that the line darkness in the linear range of the emulsion characteristic curve, only extended exposure time, from the beginning of 20 seconds, then 60 seconds, 100 seconds, until it can not work, and finally the instrument paralyzed. After nearly two years of exploration and with the strong support and assistance of Suntime Optical Instruments Corporation, we successfully repaired this $ 160,000 precision instrument at only about $ 800. First, the situation before the repair of equipment (a) the electrical part of the situation due to the use of the instrument for many years, wire aging, poor insulation, rainy season, the electrical part of the many short-circuit, high pressure change