Index: CN0_Python_Scripts/data_analysis.py
===================================================================
diff -u -r855524c483c89b2cabf1b0fdb91227d5614b1639 -rcf2d4ebc110a148e31ce7a7ee049691b101abe21
--- CN0_Python_Scripts/data_analysis.py	(.../data_analysis.py)	(revision 855524c483c89b2cabf1b0fdb91227d5614b1639)
+++ CN0_Python_Scripts/data_analysis.py	(.../data_analysis.py)	(revision cf2d4ebc110a148e31ce7a7ee049691b101abe21)
@@ -13,7 +13,7 @@
 
 # Per-sheet headers (include units in the Value column)
 HEADER_MAP = {
-    "Conductivity": ["Number", "Date", "Time", "Value (S/cm)", "Read Count", "Error"],
+    "Resistance": ["Number", "Date", "Time", "Value (Ohms)", "Read Count", "Error"],
     "Temperature":  ["Number", "Date", "Time", "Value (°C)", "Read Count", "Error"],
 }
 
@@ -62,7 +62,7 @@
         return ws
 
     # Ensure both sheets with their respective headers
-    _ws_map["Conductivity"] = ensure_sheet("Conductivity", HEADER_MAP["Conductivity"])
+    _ws_map["Resistance"] = ensure_sheet("Resistance", HEADER_MAP["Resistance"])
     _ws_map["Temperature"]  = ensure_sheet("Temperature",  HEADER_MAP["Temperature"])
 
     # Remove default "Sheet" if unused and not one of our targets
@@ -95,7 +95,7 @@
     """
     Append a row to the Excel workbook.
 
-    kind: "Conductivity" or "Temperature"
+    kind: "Resistance" or "Temperature"
     ts: datetime timestamp
     value: float
     read_count: int