Standard Resistance Thermometer Data
Temperature sensors are usually supplied with thin-film elements. The resistance elements are rated in accordance with BS EN 60751:2008 as:
| Tolerance Class | Valid Range |
|---|---|
| F 0.3 | -50 to +500 °C |
| F 0.15 | -30 to +300 °C |
| F 0.1 | 0 to +150 °C |
Resistance thermometer elements can be supplied which function up to 1000 °C. The relation between temperature and resistance is given by the Callendar-Van Dusen equation,
Here, is the resistance at temperature T, is the resistance at 0 °C, and the constants (for an alpha=0.00385 platinum RTD) are
Since the B and C coefficients are relatively small, the resistance changes almost linearly with the temperature.
Read more about this topic: Resistance Thermometer
Famous quotes containing the words standard, resistance and/or data:
“If the Revolution has the right to destroy bridges and art monuments whenever necessary, it will stop still less from laying its hand on any tendency in art which, no matter how great its achievement in form, threatens to disintegrate the revolutionary environment or to arouse the internal forces of the Revolution, that is, the proletariat, the peasantry and the intelligentsia, to a hostile opposition to one another. Our standard is, clearly, political, imperative and intolerant.”
—Leon Trotsky (1879–1940)
“Even the most subjected person has moments of rage and resentment so intense that they respond, they act against. There is an inner uprising that leads to rebellion, however short- lived. It may be only momentary but it takes place. That space within oneself where resistance is possible remains.”
—bell hooks (b. c. 1955)
“Mental health data from the 1950’s on middle-aged women showed them to be a particularly distressed group, vulnerable to depression and feelings of uselessness. This isn’t surprising. If society tells you that your main role is to be attractive to men and you are getting crow’s feet, and to be a mother to children and yours are leaving home, no wonder you are distressed.”
—Grace Baruch (20th century)