diff --git a/environment.yml b/environment.yml
new file mode 100644
index 0000000..696efa5
--- /dev/null
+++ b/environment.yml
@@ -0,0 +1,25 @@
+name: mesoscopy
+channels:
+  - defaults
+dependencies:
+  - python>=3.9
+  - pip
+  - numpy
+  - matplotlib
+  - qcodes
+  - conda-forge::pyqtgraph=0.11.0
+  - h5py=2:10.0
+  - pyqt=5.9.2
+  - QtPy
+  - jsonschema
+  - jupyter
+  - hypothesis
+  - scipy
+  - pandas
+  - tqdm
+  - conda-forrge::websockets
+conda-forge::schema
+conda-forge::requirements-parser
+  - pip:
+    - pyvisa
+
diff --git a/mesoscopy/instrument/lockin.py b/mesoscopy/instrument/lockin.py
index e21956c..bc18cf3 100644
--- a/mesoscopy/instrument/lockin.py
+++ b/mesoscopy/instrument/lockin.py
@@ -14,7 +14,8 @@ def init_lockin(
     freq: Optional[float] = 127,
     ampl: Optional[float] = 1,
     TC: Optional[float] = None,
-    filterorder=8
+    filterorder: Optional[int] = 8,
+    sensitivity: Optional[float] = 0.003
 ):
 
     lockins = _list_lockins(station)
@@ -60,7 +61,7 @@ def init_lockin(
         station.__getattr__(lockin).sigins[0].diff(1)
         station.__getattr__(lockin).sigins[0].float(1)
         station.__getattr__(lockin).sigins[0].scaling(1)
-        station.__getattr__(lockin).sigins[0].range(3e-3)
+        station.__getattr__(lockin).sigins[0].range(sensitivity)
 
         station.__getattr__(lockin).sigouts[0].range(10)