All scales support GetSerNumOp (however some return null). Reading S/N of all scales on program startup, ver. 2.14.588

TestBenchFramework/BenchControl/GenericDevices/IScale.cs

@@ -79,5 +79,12 @@ namespace TBF.BenchControl.GenericDevices
         /// <param name="method">Method: false = slow (precise), true = fast (immediate)</param>
 		/// <returns>ReadMassAverageOp instance reference casted to IOperaton</returns>
 		IOperation ReadStableMassOp(ref DoubleBox mass, int readingsCount, double maxSpread, Config.Entities.MassMethod method);
-	}
+
+        /// <summary>
+        /// Events:  Done, Error
+        /// </summary>
+        /// <param name="serialNumber">Reference to the serialNumber</param>
+        /// <returns>GetBalanceSerNumOp instance reference casted to IOperaton</returns>
+        IOperation GetSerNumOp(ref string serialNumber);
+    }
 }

TestBenchFramework/BenchControl/GenericDevices/IScale2.cs

@@ -1,17 +0,0 @@
-///
-/// Copyright (c) 2013-2015 Sensus Metering Systems
-///
-using TBF.BenchControl.Generic;
-
-namespace TBF.BenchControl.GenericDevices
-{
-	public interface IScale2 : IScale, IComponent
-	{
-		/// <summary>
-		/// Events:  Done, Error
-		/// </summary>
-		/// <param name="serialNumber">Reference to the serialNumber</param>
-		/// <returns>GetBalanceSNOp instance reference casted to IOperaton</returns>
-		IOperation GetBalanceSNOp(ref string serialNumber);
-	}
-}