PT100测温

 

#define A 3.9083e-3
#define B -5.775e-7
#define C -4.183e-12
//热电阻0-850度计算公式Rt=R0*(1+A*t+B*t*t)   温度计算电阻
//R0是0度的电阻值  t是当前温度

const float code PT100[200]=    //0~199
{
	100.00,100.39,100.78,101.17,101.56,101.95,102.34,102.73,103.12,103.51,
	103.90,104.29,104.68,105.07,105.46,105.85,106.24,106.63,107.02,107.40,
	107.79,108.18,108.57,108.96,109.35,109.73,110.12,110.51,110.90,111.29,
	111.67,112.06,112.45,112.83,113.22,113.61,114.00,114.38,114.77,115.15,
	115.54,115.93,116.31,116.70,117.08,117.47,117.86,118.24,118.63,119.01,
	119.40,119.78,120.17,120.55,120.94,121.32,121.71,122.09,122.47,122.86,
	123.24,123.63,124.01,124.39,124.78,125.16,125.54,125.93,126.31,126.69,
	127.08,127.46,127.84,128.22,128.61,128.99,129.37,129.75,130.13,130.52,
	130.90,131.28,131.66,132.04,132.42,132.80,133.18,133.57,133.95,134.33,
	134.71,135.09,135.47,135.85,136.23,136.61,136.99,137.37,137.75,138.13,
	
	138.51,138.88,139.26,139.64,140.02,140.40,140.78,141.16,141.54,141.91,
	142.29,142.67,143.05,143.43,143.80,144.18,144.56,144.94,145.31,145.69,
	146.07,146.44,146.82,147.20,147.57,147.95,148.33,148.70,149.08,149.46,
	149.83,150.21,150.58,150.96,151.33,151.71,152.08,152.46,152.83,153.21,
	153.58,153.96,154.33,154.71,155.08,155.46,155.83,156.20,156.58,156.95,
	157.33,157.70,158.07,158.45,158.82,159.19,159.56,159.94,160.31,160.68,
	161.05,161.43,161.80,162.17,162.54,162.91,163.29,163.66,164.03,164.40,
	164.77,165.14,165.51,165.89,166.26,166.63,167.00,167.37,167.74,168.11,
	168.48,168.85,169.22,169.59,169.96,170.33,170.70,171.07,171.43,171.80,
	172.17,172.54,172.91,173.28,173.65,174.02,174.38,174.75,175.12,175.49
};

 

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