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temperature_controll [2026/05/08 09:14] – [Water Chiller] simontemperature_controll [2026/05/11 17:18] (current) – [Lakeshore Temperature Controller] ari
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 =====Lakeshore Temperature Controller===== =====Lakeshore Temperature Controller=====
  
-Since the cryocooler has no thermostat, we use a heater with sensors to keep our samples at the desired temperature. We use the LakeShore 335 Temperature Controller as the heater, which has a heating capacity of 75 W and works in a temperature range from 300 mK to 1505 K. It comes with two sensor outputs: one is used to measure the CCD temperature, and the other is used to measure the temperature of the cryohead. It is mounted to a rack next to the Keithley 2470 SourceMeter. We use a LabVIEW script to control the LakeShore remotely via the server. To control the cryocooler, we use a PDU, which itself is controlled via a LabVIEW script. The LakeShore 335 has two outputs with different output settings (for more Information {{ :setup:temperature_controll:lstc_335_l.pdf |Datasheet}}, [[https://irtfweb.ifa.hawaii.edu/~s2/software/gpib-eth-ls335/335_Manual.pdf|Manual]]):+Since the cryocooler has no thermostat, we use a heater with sensors to keep our samples at the desired temperature. We use the LakeShore 335 Temperature Controller as the heater, which has a heating capacity of 75 W and works in a temperature range from 300 mK to 1505 K. It comes with two sensor outputs: one is used to measure the CCD temperature, and the other is used to measure the temperature of the cryohead. (Important note: To physically remove the temperature sensors, one has to remove the hex socket screws (p.54 in design handbook) using a 3/32 inch hex key.)  It is mounted to a rack next to the Keithley 2470 SourceMeter. We use a LabVIEW script to control the LakeShore remotely via the server. To control the cryocooler, we use a PDU, which itself is controlled via a LabVIEW script. The LakeShore 335 has two outputs with different output settings (for more Information {{ :setup:temperature_controll:lstc_335_l.pdf |Datasheet}}, [[https://irtfweb.ifa.hawaii.edu/~s2/software/gpib-eth-ls335/335_Manual.pdf|Manual]]):
  
 ^  **Outpout** 1                                                                                                                |||| ^  **Outpout** 1                                                                                                                ||||
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-The HRS-012 uses a very specific, non-standard pin out for it's RS-485/232C communication, this is shown in the following picture: +The HRS-012 uses a very specific, non-standard pin out for it's RS-485/232C communication. To match the pin out of it's serial to lan adapter (Moxa Nport 5130) a short adaoter cable is implemented. 
-{{ :setup:temperature_controll:serial_communication_pin_out.png?400 |}}+The pin out of both the water chiller and the Nport is shown in the following pictures: 
 +{{:setup:temperature_controll:serial_communication_pin_out.png?400|Pin out Water chiller}} 
 +{{ :setup:temperature_controll:moxa_nport_5130_pin_out.png?400|Pin out Nport5130}}
temperature_controll.1778224488.txt.gz · Last modified: by simon

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