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
datafile = "freqlog_%s.log" %(strftime("%y%m%d_%H%M%S"))
out = file(datafile, 'a')
header = ["#Time(UnixTime)"]
if counter:
header += ["BeatFrequency(Hz)"]
if multi:
header += ["Voltage(V)"]
