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电导式水分仪是利用粉粒体物料所含水分与其导电性之间的关系测定粉粒体物料的水分。仪器采用交流信号激励，取得与粉粒体物料电导成比例的信号，经信号变换处理电路后，由表头显示水分含量。实验表明，该仪器具有良好的线性，可准确地反映粉粒体物料的水分含量。
Conductance moisture meter is the use of moisture content of the powder and granular material to determine the relationship between the conductivity of the powder and granular material moisture. The instrument adopts AC signal excitation to obtain the signal which is proportional to the material conductance of the powder and granular material. After the signal transformation processing circuit, the moisture content is displayed by the meter. Experiments show that the instrument has a good linearity, which can accurately reflect the moisture content of the material.