MercuryiTC
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• Top left widget: heat exchanger (H_X) temperature measured with a Au-Fe/chromel
thermocouple using liquid nitrogen reference.
• Top centre widget: measured thermocouple voltage.
• Top right widget: heater voltage.
• Bottom centre widget: heater interlock status.
When setting the sensor details for the Home page widget (section 4.2), set the sensor type to
“Thermocouple”. In the example page below, the reference is External, since a liquid nitrogen
reference is used, rather than the ADT7310.
Under “Sensor readings”, the upper T(K) is the internal reference temperature, always displayed
for thermocouples.
In the Temperature Sensor Details page (see below), the sensor type is Thermocouple.
Where a calibration file with a “Merc” prefix is available, such as MercTG57-2.dat, then this is
preferred. Such files have a higher data point density than those used in the previous
generation of Oxford Instruments temperature controllers (eg. TG57-2.dat). See also section
4.11.7.