6 general 17, 1 changing display units 17, 2 thermal electric devices (ted) 17 – ThermoWorks 9103 HART SCIENTIFIC FIELD DRY-WELL TEMPERATURE CALIBRATORS User Manual
Page 22: General, Changing display units, Thermal electric devices (ted), 6general, 1 changing display units, 2 thermal electric devices (ted)
6
General
6.1
Changing Display Units
The instrument can display temperature in Celsius or Fahrenheit. The instru-
ments are shipped from the factory set to Celsius. To change to Fahrenheit or
back to Celsius there are two ways:
1.
Press “SET” and “UP” simultaneously. This will change the display
units.
or
1.
Press the “SET” key three times from the temperature display to show
Un = C
2.
Press the “UP” or “DOWN” key to change units.
3.
Press “SET” to store changes.
6.2
Thermal Electric Devices (TED)
The power of the instrument is precisely controlled by the temperature control-
ler to maintain a constant temperature. Power is controlled by periodically
switching the TEDs on for a certain amount of time using power transistors.
17
6 General
Changing Display Units
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