diff --git a/devlib/instrument/__init__.py b/devlib/instrument/__init__.py
index 5b056c0..9d898c4 100644
--- a/devlib/instrument/__init__.py
+++ b/devlib/instrument/__init__.py
@@ -170,6 +170,7 @@ class Instrument(object):
         self.logger = logging.getLogger(self.__class__.__name__)
         self.channels = collections.OrderedDict()
         self.active_channels = []
+        self.sample_rate_hz = None
 
     # channel management
 
diff --git a/devlib/instrument/daq.py b/devlib/instrument/daq.py
index 3120480..40269c0 100644
--- a/devlib/instrument/daq.py
+++ b/devlib/instrument/daq.py
@@ -55,6 +55,7 @@ class DaqInstrument(Instrument):
                                                  resistor_values=resistor_values,
                                                  channel_map=channel_map,
                                                  labels=labels)
+        self.sample_rate_hz = sampling_rate
 
         for label in labels:
             for kind in ['power', 'voltage']:
diff --git a/devlib/instrument/energy_probe.py b/devlib/instrument/energy_probe.py
index b7ad832..3f7506a 100644
--- a/devlib/instrument/energy_probe.py
+++ b/devlib/instrument/energy_probe.py
@@ -51,6 +51,7 @@ class EnergyProbeInstrument(Instrument):
         self.command = None
         self.raw_output_directory = None
         self.process = None
+        self.sample_rate_hz = 10000 # Determined empirically
 
         for label in self.labels:
             for kind in self.attributes:
diff --git a/devlib/platform/arm.py b/devlib/platform/arm.py
index 43320ad..e760eaf 100644
--- a/devlib/platform/arm.py
+++ b/devlib/platform/arm.py
@@ -236,6 +236,7 @@ class JunoEnergyInstrument(Instrument):
         for chan in self._channels:
             self.channels[chan.name] = chan
         self.on_target_file = self.target.tempfile('energy', '.csv')
+        self.sample_rate_hz = 10 # DEFAULT_PERIOD is 100[ms] in readenergy.c
         self.command = '{} -o {}'.format(self.binary, self.on_target_file)
         self.command2 = '{}'.format(self.binary)
 
diff --git a/doc/instrumentation.rst b/doc/instrumentation.rst
index 6d5b16d..c475cae 100644
--- a/doc/instrumentation.rst
+++ b/doc/instrumentation.rst
@@ -146,6 +146,12 @@ Instrument
    .. note:: This method is only implemented by :class:`Instrument`\ s that
              support ``CONTINUOUS`` measurment.
 
+.. attribute:: Instrument.sample_rate_hz
+
+   Sample rate of the instrument in Hz. Assumed to be the same for all channels.
+
+   .. note:: This attribute is only provided by :class:`Instrument`\ s that
+             support ``CONTINUOUS`` measurment.
 
 Instrument Channel
 ~~~~~~~~~~~~~~~~~~