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应变式负荷传感器额定输出温度影响补偿方法
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2009-06-27
刘芳
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应变式负荷传感器额定输出温度影响是由于弹性体弹性模量的温度系数引起的。对于一定的弹性体材料来说,它的弹性模量的温度系数基本上是一个常数,因此可以找到最佳的补偿方法,减少甚至基本消除这种误差。大量的试验证明,用试验计算补偿法补偿的传感器,其额定输出温度影响,可以达到0. 01 %FS/ 10K。
关键词: 应变式负荷传感器; 额定输出温度影响; 温度补偿
Abstract : The temperature coefficient of modulus of elasticity of sensing element material result in temperature effect on rated output of strain gauge load cell. It is possible to reduce the effect since every sort of sensing ele2 ment material has a definite temperature coefficient of modulus. Experimental result show that the temperature effect could be improved greatly using the test and calculate compensation method , and could be reduced to 0. 01 %FS/ 10K.
Key words : strain gauge load cell ; temperature effect on rated output ; temperature compensation
关键词: 应变式负荷传感器; 额定输出温度影响; 温度补偿
Abstract : The temperature coefficient of modulus of elasticity of sensing element material result in temperature effect on rated output of strain gauge load cell. It is possible to reduce the effect since every sort of sensing ele2 ment material has a definite temperature coefficient of modulus. Experimental result show that the temperature effect could be improved greatly using the test and calculate compensation method , and could be reduced to 0. 01 %FS/ 10K.
Key words : strain gauge load cell ; temperature effect on rated output ; temperature compensation
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