Index: leahi_dialin/common/dd_defs.py
===================================================================
diff -u -r78ca8321ca7429b492dcbaa373262094ceadd901 -re9a32dcd15e9112f38ad3de850db56e029aae861
--- leahi_dialin/common/dd_defs.py	(.../dd_defs.py)	(revision 78ca8321ca7429b492dcbaa373262094ceadd901)
+++ leahi_dialin/common/dd_defs.py	(.../dd_defs.py)	(revision e9a32dcd15e9112f38ad3de850db56e029aae861)
@@ -997,6 +997,7 @@
     'NUM_OF_CANCELLATION_MODES': [],
 }
 
+
 @unique
 class DDSubstitutionPumpAttributes(DialinEnum):
     TARGET_SPEED                        = 0                     # Target RPM Substitution Pump Attribute
@@ -1013,3 +1014,17 @@
     'MEASURED_SPEED': ['measured speed'],
     'NUM_OF_DIALYSATE_PUMP_ATTRIBUTES': [],
 }
+
+
+@unique
+class DDConductivityResistanceAttributes(DialinEnum):
+    RAW_RESISTANCE                      = 0                     # Raw Conductivity resistance Attribute
+    RTD_RESISTANCE                      = 1                     # raw RTD resistance Attribute
+    NUM_OF_RESISTANCE_ATTRIBUTES        = 2                     # Number of conductivity sensor Attributes
+
+DDConductivityResistanceAttributes._str_list = {
+    # Official Name :       Accepted strings
+    'RAW_RESISTANCE': ['cond resistance,'],
+    'RTD_RESISTANCE': ['rtd resistance'],
+    'NUM_OF_RESISTANCE_ATTRIBUTES': [],
+}
\ No newline at end of file