from agilentmultimeter import AgilentMultimeter
# Config settings
countergpib = 5
multigpib = None
vrange = 1
vresolution = 0.0001
gatetime = 0.1 # in seconds
# Setting up frequency counter
counter = AgilentCounter(gpib = countergpib)
if (counter == None):
exit
counter.reset()
counter.setupFast()
counter.write(":FUNC 'FREQ 1'")
counter.setupGating(gatetime)
# Setting up multimeter
multi = AgilentMultimeter(gpib = multigpib) if multigpib else None
if multi:
multi.reset()
# 5-1/2 digits fast
multi.write("CONF:VOLT:DC %d" %(vrange))
multi.write("VOLT:DC:NPLC 0.2")
multi.write("TRIG:SOUR IMM")
# Need to do one reading to set up Wait-For-Trigger state!
multi.ask("READ?")
# Setting up output file
countergpib = config.getint('Setup','counter_GPIB')
measureconf = config.items('Measurements')
## Convert measurement parameters into numbers
measureconfarray = []
for m in measureconf:
measureconfarray += [[float(m[0]), int(m[1])]]
measureconfarray.sort()
# Setting up frequency counter
counter = AgilentCounter(gpib = countergpib)
if (counter == None):
exit
counter.reset()
counter.setupFast()
counter.write(":FUNC 'FREQ 1'")
counter.write(":FREQ:ARM:STAR:SOUR IMM")
counter.write(":FREQ:ARM:STOP:SOUR TIM")
for measure in measureconfarray:
gatetime = measure[0]
repeats = measure[1]
counter.write(":FREQ:ARM:STOP:TIM %f" %(gatetime))
counter.write(":INIT:CONT ON")
counter.write(":INIT")
print "Averaging time: %g" %(gatetime)
# # Setting up output file
datafile = "allan_%s_%g.log" %(strftime("%y%m%d_%H%M%S"), gatetime)
