RESISTIVE THERMOMETER |

R_{t} = the resistance at some temperature (°C)

R_{o} = the resistance at 0°C

t = the temperature in °C

A & B = constants for a particular element which best describe its behavior with temperature

RR = Resistance Ratio Computed

RR_{t} = Resistance Ratio at a given temperature (t)

RR_{(t-1)} = Resistance Ratio at temperature 1°C below (t)

t = the measured temperature

t_{2} = the lower of two(2) temperatures from the table which bracket the
resistance ratio computed

RR_{2} = Resistance Ratio at t_{2}

ID = Inverse difference for the temperature which has the resistance ratio which
is just __greater__ than RR

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