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普通的双光路比色计,如果性能不好,均可改装成两联的高速分析比色计组,它对光电池的要求不象双光补偿型比色计那么严格,所以改装后的比色计的性能是优良的。现将改制要点说明如下:1.改装时,双光比色计的光学部分基本保留(例如劳动722型、沪江71型),电路部分全部拆除。检流计、电阻丝也拆除。电路按图1重新焊接。图1中R_1、R_3为线绕式电位器,R_2、R_4为线绕式固定电阻。R_1、
Ordinary dual optical colorimeter, if the performance is not good, can be converted into two high-speed analysis of colorimeter group, its requirements for photovoltaic cells are not so strict dual-color compensation type colorimeter, so the modified colorimetric The meter’s performance is excellent. The restructuring of the main points are as follows: 1. Refit, the optical portion of the dual-color light meter basically retained (for example, labor 722, Shanghai Jiang 71), the circuit part of all demolition. Galvanometer, resistance wire is also removed. Circuit according to Figure 1 re-welding. Figure 1 R_1, R_3 for the wire-wound potentiometer, R_2, R_4 for the wire-wound fixed resistance. R_1,