diff --git a/TestBenchFramework/BenchControl/Elde/ControlBoardDev.cs b/TestBenchFramework/BenchControl/Elde/ControlBoardDev.cs
index 9bcc6a3e6..ec8f4d2de 100644
--- a/TestBenchFramework/BenchControl/Elde/ControlBoardDev.cs
+++ b/TestBenchFramework/BenchControl/Elde/ControlBoardDev.cs
@@ -321,9 +321,9 @@ namespace TBF.BenchControl.Elde
         /// <param name="readers">An array of register readers</param>
         /// <param name="refPulses">Number of reference pulses to complete the test</param>
         /// <returns>Created operation</returns>
-        public IOperation StartMeasurementOp(IFlowMeter flowMeter, int refPulses, TestMethods method)
+        public IOperation StartMeasurementOp(IFlowMeter flowMeter, int refPulses, TestMethods method, float filterConstant)
 		{
-            return new StartMeasurementOp(this, flowMeter, refPulses, method);
+            return new StartMeasurementOp(this, flowMeter, refPulses, method, filterConstant);
 		}
 
         /// <summary>
diff --git a/TestBenchFramework/BenchControl/Elde/RegulValve/RegulValve.cs b/TestBenchFramework/BenchControl/Elde/RegulValve/RegulValve.cs
index 62a6c51e4..af1b8de20 100644
--- a/TestBenchFramework/BenchControl/Elde/RegulValve/RegulValve.cs
+++ b/TestBenchFramework/BenchControl/Elde/RegulValve/RegulValve.cs
@@ -77,7 +77,7 @@ namespace TBF.BenchControl.Elde.RegulValve
         /// <param name="measuredFlow">Measured flow [m3/h]</param>
         /// <param name="timeout">Timeout in [s]</param>
         /// <returns>SetFlowOp instance</returns>
-        public IOperation SetFlowAndMeasureOp(GenericDevices.IFlowMeter flowMeter, float requiredFlowLo, float requiredFlowHi, FloatBox measuredFlow, int timeout)
+        public IOperation SetFlowAndMeasureOp(GenericDevices.IFlowMeter flowMeter, float requiredFlowLo, float requiredFlowHi, FloatBox measuredFlow, int timeout, float filterConstant)
         {
             return new SetFlowOp(controlBoard, this, flowMeter, requiredFlowLo, requiredFlowHi, measuredFlow, timeout, true);
         }
diff --git a/TestBenchFramework/BenchControl/Elde/StartMeasurementOp.cs b/TestBenchFramework/BenchControl/Elde/StartMeasurementOp.cs
index 569a600cb..ca6bd7993 100644
--- a/TestBenchFramework/BenchControl/Elde/StartMeasurementOp.cs
+++ b/TestBenchFramework/BenchControl/Elde/StartMeasurementOp.cs
@@ -13,6 +13,7 @@ namespace TBF.BenchControl.Elde
         readonly Elde.FlowMeter.FlowMeter flowMeter;
         readonly int refPulses;                 /// Number of reference pulses for a complete test
         readonly TestMethods testMethod;
+        readonly float filterConstant;
 
         bool started = false;
 
@@ -24,7 +25,8 @@ namespace TBF.BenchControl.Elde
         /// <param name="flowMeter">Flow meter component reference</param>
         /// <param name="readers">Register readers references</param>
         /// <param name="volume">Water volume for the test in liters</param>
-        public StartMeasurementOp(ControlBoardDev controlBoardDev, GenericDevices.IFlowMeter flowMeter, int refPulses, TestMethods method)
+        public StartMeasurementOp(ControlBoardDev controlBoardDev, GenericDevices.IFlowMeter flowMeter,
+                                  int refPulses, TestMethods method, float filterConstant)
         {
 			if (controlBoardDev == null) throw new ArgumentNullException("controlBoardDev");
 			this.controlBoard = controlBoardDev;
@@ -34,6 +36,7 @@ namespace TBF.BenchControl.Elde
 
             this.refPulses = refPulses;
             this.testMethod = method;
+            this.filterConstant = filterConstant;
 
 			log.Debug(this.ToString());
         }
@@ -42,7 +45,7 @@ namespace TBF.BenchControl.Elde
 		public void Start()
         {
             controlBoard.SendCommand(Command.Start, flowMeter.Position, controlBoard.RRoute, refPulses, testMethod,
-                                     0.0f, 20, 0, StopDevs.None);
+                                     filterConstant, 20, 0, StopDevs.None);
         }
 
 		/// <summary>Run this operation</summary>
diff --git a/TestBenchFramework/BenchControl/GenericDevices/IRegulValve.cs b/TestBenchFramework/BenchControl/GenericDevices/IRegulValve.cs
index 4b55c1513..6ebd4887c 100644
--- a/TestBenchFramework/BenchControl/GenericDevices/IRegulValve.cs
+++ b/TestBenchFramework/BenchControl/GenericDevices/IRegulValve.cs
@@ -27,8 +27,9 @@ namespace TBF.BenchControl.GenericDevices
         /// <param name="requiredFlowHi">Higher limit of the required flow [m3/h]</param>
         /// <param name="measuredFlow">Measured flow [m3/h]</param>
         /// <param name="timeout">Timeout in [s]</param>
+        /// <param name="filter">Passed to SendCommand() as argument filterContant</param>
         /// <returns>SetFlowOp instance</returns>
-        IOperation SetFlowAndMeasureOp(IFlowMeter flowMeter, float requiredFlowLo, float requiredFlowHi, FloatBox measuredFlow, int timeout);
+        IOperation SetFlowAndMeasureOp(IFlowMeter flowMeter, float requiredFlowLo, float requiredFlowHi, FloatBox measuredFlow, int timeout, float filter);
 
         /// <summary>
         /// Operation to set the regulation valve to a required position
diff --git a/TestBenchFramework/BenchControl/TestMethods/CombinedMeters/CombinedMetersSeq.cs b/TestBenchFramework/BenchControl/TestMethods/CombinedMeters/CombinedMetersSeq.cs
index 5c4e54218..5ce10c89c 100644
--- a/TestBenchFramework/BenchControl/TestMethods/CombinedMeters/CombinedMetersSeq.cs
+++ b/TestBenchFramework/BenchControl/TestMethods/CombinedMeters/CombinedMetersSeq.cs
@@ -188,7 +188,7 @@ namespace TBF.BenchControl.TestMethods.CombinedMeters
 			State.Create("CombinedMeters : Starting the test")
 				.AddOperation(checkUiOp)
                 .AddOperations(measureOperations)
-                .AddOperation(cBrd.StartMeasurementOp(outPath.FlowMeter, totalPulses, Elde.TestMethods.Diverter | Elde.TestMethods.Synchro))
+                .AddOperation(cBrd.StartMeasurementOp(outPath.FlowMeter, totalPulses, Elde.TestMethods.Diverter | Elde.TestMethods.Synchro, (float)test.TolerRed))
 				.EnterState();
 			do
 			{
diff --git a/TestBenchFramework/BenchControl/TestMethods/CombinedWithDetection/CombinedWithDetectionSeq.cs b/TestBenchFramework/BenchControl/TestMethods/CombinedWithDetection/CombinedWithDetectionSeq.cs
index 0fa598245..7acf187c7 100644
--- a/TestBenchFramework/BenchControl/TestMethods/CombinedWithDetection/CombinedWithDetectionSeq.cs
+++ b/TestBenchFramework/BenchControl/TestMethods/CombinedWithDetection/CombinedWithDetectionSeq.cs
@@ -153,7 +153,7 @@ namespace TBF.BenchControl.TestMethods.CombinedWithDetection
             State.Create("CombinedWithDetection : Set the initial flow")
 				.AddOperation(checkUiOp)
                 .AddOperations(measureOperations)
-                .AddOperation(outPath.RegulValve.SetFlowAndMeasureOp(outPath.FlowMeter, test.Qfrom, test.Qto, measuredFlow, 600))    /// timeout = 10 min.
+                .AddOperation(outPath.RegulValve.SetFlowAndMeasureOp(outPath.FlowMeter, test.Qfrom, test.Qto, measuredFlow, 600, (float)test.TolerRed))    /// timeout = 10 min.
 				.EnterState();
 			do
 			{
@@ -373,7 +373,7 @@ namespace TBF.BenchControl.TestMethods.CombinedWithDetection
             State.Create(Strings.Start_the_test)
 				.AddOperation(checkUiOp)
                 .AddOperations(measureOperations)
-                .AddOperation(cBrd.StartMeasurementOp(outPath.FlowMeter, totalPulses, Elde.TestMethods.Diverter | Elde.TestMethods.Synchro))
+                .AddOperation(cBrd.StartMeasurementOp(outPath.FlowMeter, totalPulses, Elde.TestMethods.Diverter | Elde.TestMethods.Synchro, (float)test.TolerRed))
 				.EnterState();
 			do
 			{
diff --git a/TestBenchFramework/BenchControl/TestMethods/FlyingStartCollectionMethod/FlyingStartCollectionMethodSeq.cs b/TestBenchFramework/BenchControl/TestMethods/FlyingStartCollectionMethod/FlyingStartCollectionMethodSeq.cs
index a0cc95483..781137d40 100644
--- a/TestBenchFramework/BenchControl/TestMethods/FlyingStartCollectionMethod/FlyingStartCollectionMethodSeq.cs
+++ b/TestBenchFramework/BenchControl/TestMethods/FlyingStartCollectionMethod/FlyingStartCollectionMethodSeq.cs
@@ -182,7 +182,7 @@ namespace TBF.BenchControl.TestMethods.FlyingStartCollectionMethod
 			State.Create("FlyingStartCollectionMethod : Starting the test")
 				.AddOperation(checkUiOp)
                 .AddOperations(measureOperations)
-                .AddOperation(cBrd.StartMeasurementOp(outPath.FlowMeter, totalPulses, Elde.TestMethods.Diverter | Elde.TestMethods.Synchro))
+                .AddOperation(cBrd.StartMeasurementOp(outPath.FlowMeter, totalPulses, Elde.TestMethods.Diverter | Elde.TestMethods.Synchro, (float)test.TolerRed))
 				.EnterState();
 			do
 			{
diff --git a/TestBenchFramework/ProcedureDlg.cs b/TestBenchFramework/ProcedureDlg.cs
index e08401b5d..af59b010e 100644
--- a/TestBenchFramework/ProcedureDlg.cs
+++ b/TestBenchFramework/ProcedureDlg.cs
@@ -343,7 +343,7 @@ namespace TBF
             metrology2ListViewEx.Columns.Add(new ColumnHeader { Text = Strings.Q_to_m3h, Width = 80 });
             metrology2ListViewEx.Columns.Add(new ColumnHeader { Text = Strings.Err_limit_neg_pct_chdr, Width = 100 });
             metrology2ListViewEx.Columns.Add(new ColumnHeader { Text = Strings.Err_limit_pos_pct_chdr, Width = 100 });
-            metrology2ListViewEx.Columns.Add(new ColumnHeader { Text = Strings.Tol_red_pct_chdr, Width = 80 });
+            metrology2ListViewEx.Columns.Add(new ColumnHeader { Text = "Filter", Width = 80 });         /// Strings.Tol_red_pct_chdr
             metrology2ListViewEx.Columns.Add(new ColumnHeader { Text = Strings.Red_type_chdr, Width = 80 });
             metrology2ListViewEx.Columns.Add(new ColumnHeader { Text = Strings.Err_cor_neg_pct_chdr, Width = 90 });
             metrology2ListViewEx.Columns.Add(new ColumnHeader { Text = Strings.Err_cor_pos_pct_chdr, Width = 90 });
@@ -546,6 +546,10 @@ namespace TBF
                 float errLimHi;
 				allOk &= Utils.TryParseSFloat(lvi.SubItems[4].Text, out errLimHi);
 				entity.ErrLimHi = errLimHi;
+
+                float filter;
+                allOk &= Utils.TryParseUFloat(lvi.SubItems[5].Text, out filter);
+                entity.TolerRed = (double)filter;
             }
         }