2 files changed, 41 insertions, 2 deletions
diff --git a/qolab/hardware/lockin/__init__.py b/qolab/hardware/lockin/__init__.py
index 799da22..04ce96e 100644
--- a/qolab/hardware/lockin/__init__.py
+++ b/qolab/hardware/lockin/__init__.py
@@ -8,7 +8,8 @@ class Lockin(BasicInstrument):
         self.config['FnamePrefix'] = 'lockin'
         self.config['Device model'] = 'Generic Lockin Without Hardware interface'
         self.config['FnamePrefix'] = 'lockin'
-        self.deviceProperties = ['FreqInt', 'FreqExt', 'Harm', 'SinAmpl'];
+        self.deviceProperties = ['FreqInt', 'FreqExt', 'Harm', 'SinAmpl', 'SinOffset',
+                'Sensetivity', 'TimeConstan', 'FilterSlope', 'EquivalentFileterBW'];
     # Minimal set of methods to be implemented.
     pass
 
diff --git a/qolab/hardware/lockin/srs_sr865a.py b/qolab/hardware/lockin/srs_sr865a.py
index b20574b..7fbb575 100644
--- a/qolab/hardware/lockin/srs_sr865a.py
+++ b/qolab/hardware/lockin/srs_sr865a.py
@@ -6,6 +6,7 @@ class SRS_SR865A(LockinSCPI):
         super().__init__(resource)
         self.config['Device model']='SRS SR865A'
         self.resource.read_termination='\n'
+        self.deviceProperties.extend(['TimeBaseMode'])
 
     def getFreqInt(self):
         qstr = f'FreqInt?'
@@ -16,7 +17,7 @@ class SRS_SR865A(LockinSCPI):
         cstr = f'FreqInt {freq}'
         rstr = self.write(cstr)
 
-    # this one has no setter
+    # this one has only getter
     def getFreqExt(self):
         qstr = f'FreqExt?'
         rstr = self.query(qstr)
@@ -40,6 +41,43 @@ class SRS_SR865A(LockinSCPI):
         cstr = f'SLVL {ampl}'
         rstr = self.write(cstr)
 
+    def getSinOffset(self):
+        qstr = f'SOFF?'
+        rstr = self.query(qstr)
+        return(float(rstr))
+
+    def setSinOffset(self, offset):
+        cstr = f'SOFF {offset}'
+        rstr = self.write(cstr)
+
+    def getSensetivity(self):
+        return(int(self.query(f'SCAL?')))
+
+    def setSensetivity(self, val):
+        rstr = self.write(f'SCAL {val}')
+
+    def getTimeConstan(self):
+        return(int(self.query(f'OFLT?')))
+
+    def setTimeConstan(self, val):
+        rstr = self.write(f'OFLT {val}')
+
+    def getFilterSlope(self):
+        return(int(self.query(f'OFSL?')))
+
+    def setFilterSlope(self, val):
+        rstr = self.write(f'OFSL {val}')
+
+    # this one has only getter
+    def getEquivalentFileterBW(self):
+        return(float(self.query(f'ENBW?')))
+
+    def getTimeBaseMode(self):
+        return(int(self.query(f'TBMODE?')))
+
+    def setTimeBaseMode(self, val):
+        rstr = self.write(f'TBMODE {val}')
+
 
 if __name__ == '__main__': 
     import pyvisa