| 三旋钮高精度数字酸度计的研制 |
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| 引用本文： | 赵晓煜,孙玉清.三旋钮高精度数字酸度计的研制[J].齐齐哈尔大学学报(自然科学版),1992(2). |
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| 作者姓名： | 赵晓煜 孙玉清 |
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| 作者单位： | 齐齐哈尔市环境监测中心站
(赵晓煜),齐齐哈尔市环境监测中心站(孙玉清) |
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| 摘 要： | 本文具有对一次仪表转换系数进行校准的功能,温度补偿及模数转换电路设计方法独特,只用一块运算放大器与一块单片模数转换电路完成了pH转换功能。
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| 关 键 词： | 酸度计 模数转换器 电路设计 |
Development of Digisense pH Meter of High Precision with Tri-Knob |
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| Zhao Xiaoiu Sun Yuqing.Development of Digisense pH Meter of High Precision with Tri-Knob[J].Journal of Qiqihar University(Natural Science Edition),1992(2). |
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| Authors: | Zhao Xiaoiu Sun Yuqing |
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| Institution: | Qiqihar Municipal Environmental Protection Monitor Centor |
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| Abstract: | In this paper has had a function for calibrate to the conversion coefficient of primary instrument.
So it is particular at the design philosophy of circuit of temper" ature equalizer and A/D circuit that it has completed a conversion function of pH, And been equiped a computing amplifier and a change-over circuit of A/D only. |
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| Keywords: | pH Meter Analog-to-digital converter Circuit desin |
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