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Lakeshore 372
The lakeshore 372 is a temperature controller used to control the temperature on dilution fridges - mostly triton fridges. At ISIS, these are only in use on the muon beamlines, as they operate the fridges with a "weak thermal link" which means that the sample would otherwise take a long time to warm up again. The lakeshore 372 provides a small heater which sits on the sample, and all of the temperature control is done via this heater.
The lakeshore 372 is an ethernet device. By default it communicates on port 7777. All messages are terminated with \r\n. To connect to the device make sure it is in DHCP mode.
The lakeshore 372 only accepts integers for the I (integral) & D (derivative) PID parameters. Floating-point numbers are only acceptable for the P (Proportional) parameter.