diff --git a/Common/Hardware/WaterMeter/MechanicalMeter/FM2014/FM2014Core/Consts/FM2014CmdDef.cs b/Common/Hardware/WaterMeter/MechanicalMeter/FM2014/FM2014Core/Consts/FM2014CmdDef.cs
index f7342a91..7d5ef897 100644
--- a/Common/Hardware/WaterMeter/MechanicalMeter/FM2014/FM2014Core/Consts/FM2014CmdDef.cs
+++ b/Common/Hardware/WaterMeter/MechanicalMeter/FM2014/FM2014Core/Consts/FM2014CmdDef.cs
@@ -39,7 +39,7 @@ using Sensus.Common.Hardware.WaterMeter.MechanicalMeter.FM2014.FM2014Core.Proper
 namespace Sensus.Common.Hardware.WaterMeter.MechanicalMeter.FM2014.FM2014Core.Consts
 {
     /// <summary>
-    /// 
+    /// Command definitions for FM2014
     /// </summary>
     public static class FM2014CmdDef
     {
@@ -342,15 +342,22 @@ namespace Sensus.Common.Hardware.WaterMeter.MechanicalMeter.FM2014.FM2014Core.Co
             /// </summary>
             public Double? DoubleValue { get; private set; }
  
+            /// <summary>
+            /// Measurement SI unit
+            /// </summary>
+            public String SiUnit { get; private set; }
+ 
             /// <summary>
             /// Ctor
             /// </summary>
-            public CmdResponse(CmdDef cmdId, String answerStr, Int32? intValue = null, Double? doubleValue = null)
+            public CmdResponse(CmdDef cmdId, String answerStr, Int32? intValue = null, Double? doubleValue = null,
+                String siUnit = "")
             {
                 CmdId = cmdId;
                 AnswerStr = answerStr;
                 IntValue = intValue;
                 DoubleValue = doubleValue;
+                SiUnit = siUnit;
             }
         }
 
diff --git a/Common/Metrology/Measurements/Consts/SiUnits.cs b/Common/Metrology/Measurements/Consts/SiUnits.cs
new file mode 100644
index 00000000..e0efd21d
--- /dev/null
+++ b/Common/Metrology/Measurements/Consts/SiUnits.cs
@@ -0,0 +1,161 @@
+/****************************************************************************************/
+/*!@file	FM2014Commands.cs
+ * @brief	Command list of the FM2014.
+ *
+ *=======================================================================================\n
+ * @copyright
+ *
+ *_______________________________________________________________________________________\n
+ * Copyright (c) 2026 SENSUS GmbH.\n
+ * All Rights Reserved.\n
+ * \n
+ * Confidential property of\n
+ * SENSUS GmbH,\n
+ * Meineckestr. 10, 30880 LAATZEN, GERMANY\n
+ * \n
+ *=======================================================================================\n
+ * @authors
+ *
+ *_______________________________________________________________________________________\n
+ * Thomas Wiedebusch\n
+ *
+ *
+ *=======================================================================================\n
+ * @version
+ *
+ *_______________________________________________________________________________________\n
+ * V1.00 10-Jan-2026 by Thomas Wiedebusch\n
+ * - Initial.
+ *
+ *
+ *=======================================================================================\n
+ */
+
+using System;
+using System.Linq;
+
+namespace Xylem.Common.Metrology.Measurements.Consts
+{
+
+    /// <summary>
+    /// SI Units
+    /// </summary>
+    public static class SiUnits
+    {
+        /// <summary>
+        /// Unit definitions based on SI or derived SI or NON SI
+        /// </summary>
+        public enum SiUnit
+        {
+            /// <summary>
+            /// 
+            /// </summary>
+            UNITLESS_NON_SI,
+            
+            /// <summary>
+            /// 
+            /// </summary>
+            PERCENTAGE_NON_SI,
+            
+            /// <summary>
+            /// 
+            /// </summary>
+            VOLTAGE,
+            
+            /// <summary>
+            /// 
+            /// </summary>
+            CURRENT,
+            
+            /// <summary>
+            /// 
+            /// </summary>
+            ELECTRICAL_POWER,
+            
+            /// <summary>
+            /// 
+            /// </summary>
+            ELECTRICAL_LOAD,
+            
+            /// <summary>
+            /// 
+            /// </summary>
+            DISTANCE,
+
+            /// <summary>
+            /// 
+            /// </summary>
+            FLOW_RATE,
+
+            /// <summary>
+            /// 
+            /// </summary>
+            TEMPERATURE,
+
+            /// <summary>
+            /// 
+            /// </summary>
+            PRESSURE
+
+        }
+
+        /// <summary>
+        /// Combine SI unit names with string value
+        /// </summary>
+        public struct SiUnitDef
+        {
+            /// <summary>
+            /// Hard coded return string from FM2014
+            /// </summary>
+            public readonly SiUnit SiUnit;
+
+            /// <summary>
+            /// SI unit string
+            /// </summary>
+            public readonly String SiUnitStr;
+
+            /// <summary>
+            /// Ctor
+            /// </summary>
+            /// <param name="siUnit"></param>
+            /// <param name="siUnitStr"></param>
+            public SiUnitDef(SiUnit siUnit, String siUnitStr)
+            {
+                SiUnit = siUnit;
+                SiUnitStr = siUnitStr;
+            }
+        }
+
+        /// <summary>
+        /// Table of SI units
+        /// </summary>
+        public static readonly SiUnitDef[] SiUnitTbl =
+        {
+            new SiUnitDef(SiUnit.UNITLESS_NON_SI, ""),
+            new SiUnitDef(SiUnit.PERCENTAGE_NON_SI, "%"),
+            new SiUnitDef(SiUnit.VOLTAGE, "V"),
+            new SiUnitDef(SiUnit.CURRENT, "A"),
+            new SiUnitDef(SiUnit.ELECTRICAL_POWER, "W"),
+            new SiUnitDef(SiUnit.ELECTRICAL_LOAD, "Ah"),
+            new SiUnitDef(SiUnit.DISTANCE, "m"),
+            new SiUnitDef(SiUnit.FLOW_RATE, "m³/h"),
+            new SiUnitDef(SiUnit.TEMPERATURE, "°C"),
+            new SiUnitDef(SiUnit.PRESSURE, "Pa"),
+        };
+
+        /// <summary>
+        /// Get the information string
+        /// </summary>
+        /// <param name="siUnit"></param>
+        /// <returns>Unit string</returns>
+        /// <remarks date="2026-Jan-10" author="Thomas Wiedebusch">
+        /// - Initial.
+        /// </remarks>
+        public static String GetInfo(SiUnit siUnit)
+        {
+            return (from sit in SiUnitTbl 
+                where sit.SiUnit == siUnit
+                select sit.SiUnitStr).FirstOrDefault();
+        }
+    }
+}
diff --git a/Common/Metrology/Measurements/Measurements.csproj b/Common/Metrology/Measurements/Measurements.csproj
index a119384d..3e0ead2c 100644
--- a/Common/Metrology/Measurements/Measurements.csproj
+++ b/Common/Metrology/Measurements/Measurements.csproj
@@ -212,6 +212,7 @@
     <Compile Include="Consts\MeasurementResultsStates.cs" />
     <Compile Include="Consts\MeasurementStates.cs" />
     <Compile Include="Consts\ProcessStates.cs" />
+    <Compile Include="Consts\SiUnits.cs" />
     <Compile Include="IMeasurement.cs" />
     <Compile Include="IMeasurementRecord.cs" />
     <Compile Include="MeasurementRecord.cs" />
diff --git a/MiniPrf/MiniPrf.sln b/MiniPrf/MiniPrf.sln
index 5eabe8b7..c3abc473 100644
--- a/MiniPrf/MiniPrf.sln
+++ b/MiniPrf/MiniPrf.sln
@@ -48,6 +48,10 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Utils", "Utils", "{DBC8FF8D
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ProcessExec", "..\Common\Utils\ProcessExec\ProcessExec.csproj", "{2FD60CF1-45CD-4060-B8E5-4F39FBA7F1CB}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Metrology", "Metrology", "{6695522E-E681-434C-8006-5A92AABB9807}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Measurements", "..\Common\Metrology\Measurements\Measurements.csproj", "{6CCDB656-C676-4360-BABA-C4596AAD175D}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -82,6 +86,10 @@ Global
 		{2FD60CF1-45CD-4060-B8E5-4F39FBA7F1CB}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{2FD60CF1-45CD-4060-B8E5-4F39FBA7F1CB}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{2FD60CF1-45CD-4060-B8E5-4F39FBA7F1CB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{6CCDB656-C676-4360-BABA-C4596AAD175D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{6CCDB656-C676-4360-BABA-C4596AAD175D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{6CCDB656-C676-4360-BABA-C4596AAD175D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{6CCDB656-C676-4360-BABA-C4596AAD175D}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -103,6 +111,7 @@ Global
 		{4E27EA04-8B52-4681-BB5E-4658BC3FF9A6} = {14FE7B6A-2029-4DCD-AD07-2BDF77D42D94}
 		{2E139F63-B6FE-4EA9-A098-85364FE9B26C} = {83A52B6E-DB81-4B43-B5C1-F9B637D135BE}
 		{2FD60CF1-45CD-4060-B8E5-4F39FBA7F1CB} = {DBC8FF8D-D0A2-4C55-B7D5-F7D17CCEE01F}
+		{6CCDB656-C676-4360-BABA-C4596AAD175D} = {6695522E-E681-434C-8006-5A92AABB9807}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {B72A8444-29F9-4FA4-82BE-B6E230750911}