def get_sensitivity(self, unit='V'):
"""
Get the current sensitivity, in Volts.
>>> li.get_sensitivity()
0.1
If the `unit` kwarg is specified, the value will
be converted to the desired unit instead.
>>> li.get_sensitivity(unit='uV')
100000.
Using `unit=True` will return a value in a 2-tuple
along with the most sensible unit (as a string).
>>> li.get_sensitivity(unit=True)
(100, 'mV')
"""
val = self.bus.ask("SEN")
q, u = self.sensitivities[int(val)]
if unit in self._V_scales.keys():
sens = q * self._V_scales[u] / self._V_scales[unit]
return sciround(sens, 1)
else:
return q, u
def get_sensitivity(self, unit='V'):
"""
Get the current sensitivity, in Volts.
>>> li.get_sensitivity()
0.1
If the `unit` kwarg is specified, the value will
be converted to the desired unit instead.
>>> li.get_sensitivity(unit='uV')
100000.
Using `unit=True` will return a value in a 2-tuple
along with the most sensible unit (as a string).
>>> li.get_sensitivity(unit=True)
(100, 'mV')
"""
val = self.bus.ask("SEN")
q,u = self.sensitivities[int(val)]
if unit in self._V_scales.keys():
sens = q * self._V_scales[u] / self._V_scales[unit]
return sciround(sens, 1)
else:
return q,u
def set_timediv(self, to):
"""
Set time per division, in seconds.
:param to: Desired seconds per division.
Acceptable values range from 10 seconds to 1, 2, or
4ns, depending on model, in a 1-2-4 sequence.
:type to: float
"""
to = sciround(to, 1)
if to in self._acceptable_timedivs:
self.bus.write('HOR:MAI:SCA %.0E' % to)
else:
raise InstrumentError('Timediv not in %s' %
str(self._acceptable_timedivs))
def set_timediv(self, to):
"""
Set time per division, in seconds.
:param to: Desired seconds per division.
Acceptable values range from 10 seconds to 1, 2, or
4ns, depending on model, in a 1-2-4 sequence.
:type to: float
"""
to = sciround(to, 1)
if to in self._acceptable_timedivs:
self.bus.write('HOR:MAI:SCA %.0E' % to)
else:
raise InstrumentError('Timediv not in %s' %
str(self._acceptable_timedivs))
