diff --git a/Mqtt-Dashboard/Dashboard.csproj b/Mqtt-Dashboard/Dashboard.csproj
index 0a91e0c..b0018c4 100644
--- a/Mqtt-Dashboard/Dashboard.csproj
+++ b/Mqtt-Dashboard/Dashboard.csproj
@@ -62,6 +62,7 @@
     <Compile Include="Sensor\Power.cs" />
     <Compile Include="Tracings\ATracings.cs" />
     <Compile Include="Tracings\Graph.cs" />
+    <Compile Include="Tracings\Meter.cs" />
     <EmbeddedResource Include="Form1.resx">
       <DependentUpon>Form1.cs</DependentUpon>
     </EmbeddedResource>
diff --git a/Mqtt-Dashboard/Form1.cs b/Mqtt-Dashboard/Form1.cs
index ca0cf7d..4edc86b 100644
--- a/Mqtt-Dashboard/Form1.cs
+++ b/Mqtt-Dashboard/Form1.cs
@@ -48,6 +48,7 @@ namespace Dashboard {
         ATracings t;
         switch(ini.GetValue(tracing, "type").ToLower()) {
           case "graph": t = new Graph(this.sensors[ini.GetValue(tracing, "sensor").ToLower()],ini.GetSection(tracing)); break;
+          case "meter": t = new Meter(this.sensors[ini.GetValue(tracing, "sensor").ToLower()], ini.GetSection(tracing)); break;
           default:
           throw new ArgumentException("tracings.ini: " + tracing + " section has a missconfiguration in type");
         }
diff --git a/Mqtt-Dashboard/Tracings/ATracings.cs b/Mqtt-Dashboard/Tracings/ATracings.cs
index 25db86c..cbd2283 100644
--- a/Mqtt-Dashboard/Tracings/ATracings.cs
+++ b/Mqtt-Dashboard/Tracings/ATracings.cs
@@ -6,7 +6,7 @@ using Dashboard.Sensor;
 namespace Dashboard.Tracings {
   public abstract class ATracings {
     protected ASensor sensor;
-    private Dictionary<String, String> settings;
+    protected Dictionary<String, String> settings;
 
     public ATracings(ASensor sensor, Dictionary<String, String> settings) {
       this.sensor = sensor;
diff --git a/Mqtt-Dashboard/Tracings/Graph.cs b/Mqtt-Dashboard/Tracings/Graph.cs
index d899470..ad27182 100644
--- a/Mqtt-Dashboard/Tracings/Graph.cs
+++ b/Mqtt-Dashboard/Tracings/Graph.cs
@@ -3,18 +3,17 @@ using System.Collections.Generic;
 using System.Windows.Forms;
 using System.Windows.Forms.DataVisualization.Charting;
 using Dashboard.Sensor;
+using System.Linq;
 
 namespace Dashboard.Tracings {
   class Graph : ATracings, IDisposable {
     private Series series;
     private Chart chart;
+    private Queue<Tuple<DateTime, float>> hist = new Queue<Tuple<DateTime, float>>();
+    private Int32 Chart_Items;
 
-    public Graph(ASensor sensor, Dictionary<String, String> settings) : base(sensor, settings) { }
-
-    public void Dispose() {
-      this.chart.Series.Clear();
-      this.series = null;
-      this.chart.Dispose();
+    public Graph(ASensor sensor, Dictionary<String, String> settings) : base(sensor, settings) {
+       this.Chart_Items = (settings.Keys.Contains("items")) ? Int32.Parse(settings["items"]) : 1000;
     }
 
     public override Panel GetPanel() {
@@ -55,23 +54,34 @@ namespace Dashboard.Tracings {
       ((System.ComponentModel.ISupportInitialize)(this.chart)).EndInit();
 
       panel.Size = new System.Drawing.Size(200, 100);
-      panel.ResumeLayout(false);
       return panel;
     }
     protected override void SensorUpdate(Object sender, EventArgs e) {
+      switch(this.sensor.Datatypes) {
+        case ASensor.Types.Bool: this.hist.Enqueue(new Tuple<DateTime, float>(this.sensor.Timestamp, (this.sensor.GetBool) ? 1 : 0)); break;
+        case ASensor.Types.Int: this.hist.Enqueue(new Tuple<DateTime, float>(this.sensor.Timestamp, this.sensor.GetInt)); break;
+        case ASensor.Types.Float: this.hist.Enqueue(new Tuple<DateTime, float>(this.sensor.Timestamp, this.sensor.GetFloat)); break;
+      }
+      if(this.hist.Count > this.Chart_Items) {
+        this.hist.Dequeue();
+      }
       if (this.series != null) {
         this.chart.BeginInvoke((MethodInvoker)delegate {
-          if (this.sensor.Datatypes == ASensor.Types.Bool) {
-            this.series.Points.AddXY(this.sensor.Timestamp, (this.sensor.GetBool) ? 1 : 0);
-          }
-          if (this.sensor.Datatypes == ASensor.Types.Int) {
-            this.series.Points.AddXY(this.sensor.Timestamp, this.sensor.GetInt);
-          }
-          if (this.sensor.Datatypes == ASensor.Types.Float) {
-            this.series.Points.AddXY(this.sensor.Timestamp, this.sensor.GetFloat);
-          }
+          this.series.Points.Clear();
+          try {
+            foreach(Tuple<DateTime, float> temp in this.hist) {
+              this.series.Points.AddXY(temp.Item1, temp.Item2);
+            }
+          } catch(Exception) { };
         });
       }
     }
+    public void Dispose() {
+      this.chart.Series.Clear();
+      this.series = null;
+      this.hist.Clear();
+      this.hist = null;
+      this.chart.Dispose();
+    }
   }
 }
diff --git a/Mqtt-Dashboard/Tracings/Meter.cs b/Mqtt-Dashboard/Tracings/Meter.cs
new file mode 100644
index 0000000..363bfe3
--- /dev/null
+++ b/Mqtt-Dashboard/Tracings/Meter.cs
@@ -0,0 +1,61 @@
+using System.Collections.Generic;
+using Dashboard.Sensor;
+using System;
+using System.Windows.Forms;
+using System.Linq;
+using System.Globalization;
+
+namespace Dashboard.Tracings {
+  class Meter : ATracings {
+    private Int32 DisplayItems;
+    private Queue<float> DisplayAverage = new Queue<float>();
+    private String DisplayUnit;
+    private Label label1;
+    private Label label2;
+
+    public Meter(ASensor sensor, Dictionary<String, String> settings) : base(sensor, settings) {
+      this.DisplayUnit = (settings.Keys.Contains("unit")) ? settings["unit"] : "";
+      this.DisplayItems = (settings.Keys.Contains("items")) ? Int32.Parse(settings["items"]) : 1000;
+    }
+    public override Panel GetPanel() {
+      Panel panel = new Panel();
+
+      label1 = new Label();
+      label1.Font = new System.Drawing.Font("Lucida Sans Typewriter", 27.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
+      label1.Location = new System.Drawing.Point(0, 0);
+      label1.Size = new System.Drawing.Size(200, 43);
+      label1.Text = "";
+      label1.TextAlign = System.Drawing.ContentAlignment.TopCenter;
+
+      label2 = new Label();
+      label2.AutoSize = true;
+      label2.Location = new System.Drawing.Point(0, 50);
+      label2.Size = new System.Drawing.Size(96, 13);
+      label2.Text = "";
+
+      panel.BorderStyle = BorderStyle.FixedSingle;
+      panel.Controls.Add(label2);
+      panel.Controls.Add(label1);
+      panel.Size = new System.Drawing.Size(200, 100);
+      return panel;
+    }
+    protected override void SensorUpdate(Object sender, EventArgs e) {
+      String value = "";
+      switch(this.sensor.Datatypes) {
+        case ASensor.Types.Bool: this.DisplayAverage.Enqueue((this.sensor.GetBool) ? 1 : 0); value = this.sensor.GetBool.ToString(new CultureInfo("de-DE")); break;
+        case ASensor.Types.Int: this.DisplayAverage.Enqueue(this.sensor.GetInt); value = this.sensor.GetInt.ToString(); break;
+        case ASensor.Types.Float: this.DisplayAverage.Enqueue(this.sensor.GetFloat); value = this.sensor.GetFloat.ToString(new CultureInfo("de-DE")); break;
+      }
+      if(this.DisplayAverage.Count > this.DisplayItems) {
+        this.DisplayAverage.Dequeue();
+      }
+      float average = this.DisplayAverage.Sum() / this.DisplayAverage.Count();
+      this.label1.BeginInvoke((MethodInvoker)delegate {
+        label1.Text = value+" "+this.DisplayUnit;
+      });
+      this.label2.BeginInvoke((MethodInvoker)delegate {
+        label2.Text = "Durchschnitt: " + Math.Round(average, 2) + " " + this.DisplayUnit;
+      });
+    }
+  }
+}
\ No newline at end of file
diff --git a/Mqtt-Dashboard/tracings.ini b/Mqtt-Dashboard/tracings.ini
index 7db4ea1..602e3a0 100644
--- a/Mqtt-Dashboard/tracings.ini
+++ b/Mqtt-Dashboard/tracings.ini
@@ -12,4 +12,11 @@
 
 [VentilatorGraph]
 sensor=Ventilator
-type=Graph
\ No newline at end of file
+type=Graph
+items=100
+
+[VentilatorMeter]
+sensor=Ventilator
+type=Meter
+unit=W
+items=100
\ No newline at end of file