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# -*- encode: utf-8 -*-

import visa, time

class TC:

   def __init__(self, gpib=15):
       self.gpib = gpib
       self.tc = visa.instrument("GPIB0::"+ str(self.gpib) +"::INSTR", timeout=30, delay=0.1)

   def getTemperature(self):
       string = self.tc.ask("TALL?")
       data = string.split(" ")[1].split(",")
       aTemp = float(data[0])
       bTemp = float(data[1])
       return [aTemp, bTemp]

   def setTemperature(self, temperature):
           self.tc.write("SET " + str(temperature))
           print "Set temp. = " + str(temperature) + " K"

   def heaterOn(self):
       self.tc.write("MODE 2")

   def heaterOff(self):
       self.tc.write("MODE 1")

   def getSetTemp(self):
       return float(self.tc.ask("SET?").split(" ")[1])

def main():

   time.sleep(3600)
   sitc.getTemperature()

}}

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• PyVISA project page
• Python GPIB