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FQD—102型排气烟度计已广泛地应用于柴油机排气烟度的测量。对该仪器的正确使用和维修是保证烟度测量精度的重要环节。该仪器由指示器和采样器两大部分组成。本文将着重介绍指示器的正确使用,日常维修和常见故障的排除方法。指示器前面板上装有电源选择开关、测量开关、粗调和细调旋钮,后面板上装有线性度调节电位器W_s。
FQD-102-type exhaust smoke meter has been widely used in diesel exhaust smoke measurement. The proper use and maintenance of the instrument is an important part of ensuring the accuracy of smoke measurement. The instrument consists of two parts of the indicator and sampler. This article will focus on the proper use of indicators, routine maintenance and troubleshooting of common faults. The front panel of the indicator is equipped with a power selection switch, a measurement switch, a coarse adjustment and a fine adjustment knob, and a linearity adjustment potentiometer W_s is provided on the rear panel.