diff --git a/MP.SPEC/Components/ListPARAMS.razor.cs b/MP.SPEC/Components/ListPARAMS.razor.cs
index 82ae4d95..dd639ba0 100644
--- a/MP.SPEC/Components/ListPARAMS.razor.cs
+++ b/MP.SPEC/Components/ListPARAMS.razor.cs
@@ -2,6 +2,7 @@
 using Microsoft.JSInterop;
 using MP.Data.DatabaseModels;
 using MP.SPEC.Data;
+using System.Diagnostics;
 
 namespace MP.SPEC.Components
 {
@@ -13,8 +14,6 @@ namespace MP.SPEC.Components
         public bool LiveUpdate { get; set; }
 
 
-        private bool _liveUpdate { get; set; }
-
         [Parameter]
         public int MaxRecord
         {
@@ -84,7 +83,6 @@ namespace MP.SPEC.Components
 
         public void Dispose()
         {
-            //aTimer.Elapsed -= ElapsedTimer;
             aTimer.Stop();
             aTimer.Dispose();
         }
@@ -93,12 +91,22 @@ namespace MP.SPEC.Components
         {
             if (!isLoading && LiveUpdate)
             {
+                aTimer.Stop();
+                // inizio misura esecuzione
+                Stopwatch stopWatch = new Stopwatch();
+                stopWatch.Start();
                 var pUpd = Task.Run(async () =>
                 {
                     await Task.Delay(1);
                     await InvokeAsync(() => reloadData(true));
                 });
                 pUpd.Wait();
+                // misuro tempo esecuzione
+                stopWatch.Stop();
+                TimeSpan ts = stopWatch.Elapsed;
+                int deltaTime = tOutPeriod - (int)ts.TotalMilliseconds;
+                aTimer.Interval = deltaTime > 100 ? deltaTime : 100;
+                aTimer.Start();
             }
         }
 
@@ -116,9 +124,10 @@ namespace MP.SPEC.Components
             isLoading = false;
         }
 
+        private int tOutPeriod { get; set; } = 2000;
+
         public void StartTimer()
         {
-            int tOutPeriod = 2000;
             //int.TryParse(Configuration["ReloadStatusTimer"], out tOutPeriod);
             aTimer = new System.Timers.Timer(tOutPeriod);
             aTimer.Elapsed += ElapsedTimer;
@@ -175,7 +184,7 @@ namespace MP.SPEC.Components
         #region Private Fields
 
         private static System.Timers.Timer aTimer = null!;
-        private int _maxRecord = 300;
+        private int _maxRecord = 100;
         private string _selFlux = "*";
         private string _selMacchina = "*";
         private FluxLog? currRecord = null;
diff --git a/MP.SPEC/Pages/PARAMS.razor b/MP.SPEC/Pages/PARAMS.razor
index e4f75732..0630103c 100644
--- a/MP.SPEC/Pages/PARAMS.razor
+++ b/MP.SPEC/Pages/PARAMS.razor
@@ -61,7 +61,7 @@
         </div>
     </div>
     <div class="card-body">
-        <ListPARAMS SelMacchina="@selMacchina" SelFlux="@selFlux" LiveUpdate="@liveUpdate"></ListPARAMS>
+        <ListPARAMS SelMacchina="@selMacchina" SelFlux="@selFlux" LiveUpdate="@liveUpdate" MaxRecord="@maxRecord"></ListPARAMS>
     </div>
     <div class="card-footer py-1">
         <DataPager @ref="pagerODL" PageSize="numRecord" currPage="currPage" numRecordChanged="ForceReload" numPageChanged="ForceReloadPage" totalCount="totalCount" showLoading="isLoading" />
diff --git a/MP.SPEC/Pages/PARAMS.razor.cs b/MP.SPEC/Pages/PARAMS.razor.cs
index e8607e3c..30d22be5 100644
--- a/MP.SPEC/Pages/PARAMS.razor.cs
+++ b/MP.SPEC/Pages/PARAMS.razor.cs
@@ -156,6 +156,21 @@ namespace MP.SPEC.Pages
             set => MsgService.totalCount = value;
         }
 
+        private int maxRecord
+        {
+            get => _maxRecord;
+            set
+            {
+                _maxRecord = value;
+                if (value > 100 && liveUpdate)
+                {
+                    liveUpdate = false;
+                }
+            }
+        }
+
+        private int _maxRecord = 100;
+
         #endregion Private Properties
 
         #region Private Methods