Designed for verification of working measuring instruments, as well as for accurate temperature measurements in the temperature ranges, °?:
from minus 196 to 0;
0 to 419,527;
0 to 660,323.
The principle of operation of thermometers is based on the dependence of electrical resistance of platinum on temperature.
The main part of thermometers is a sensitive element consisting of a platinum wire spirally arranged in a four-channel ceramic tube.
Thermometers have four outputs - two current and two potential, the resistance measurement of thermometers is carried out by a four-wire scheme.
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