diff --git a/numass-control/vac/src/main/java/inr/numass/readvac/devices/VacCollectorDevice.java b/numass-control/vac/src/main/java/inr/numass/readvac/devices/VacCollectorDevice.java
index b6cd9472..1efaf40b 100644
--- a/numass-control/vac/src/main/java/inr/numass/readvac/devices/VacCollectorDevice.java
+++ b/numass-control/vac/src/main/java/inr/numass/readvac/devices/VacCollectorDevice.java
@@ -49,6 +49,7 @@ public class VacCollectorDevice extends Sensor<DataPoint> {
 
     @Override
     protected Measurement<DataPoint> createMeasurement() {
+        //TODO use meta
         return new VacuumMeasurement();
     }
 
@@ -72,7 +73,7 @@ public class VacCollectorDevice extends Sensor<DataPoint> {
             currentTask = executor.scheduleWithFixedDelay(() -> {
                 sensorMap.entrySet().stream().parallel().forEach((entry) -> {
                     try {
-                        collector.put(entry.getKey(), entry.getValue().getMeasurement().getResult());
+                        collector.put(entry.getKey(), entry.getValue().read());
                     } catch (MeasurementException ex) {
                         onError(ex);
                         collector.put(entry.getKey(), Value.NULL);
diff --git a/numass-control/vac/src/main/java/inr/numass/readvac/devices/VirtualVacDevice.java b/numass-control/vac/src/main/java/inr/numass/readvac/devices/VirtualVacDevice.java
deleted file mode 100644
index a6341299..00000000
--- a/numass-control/vac/src/main/java/inr/numass/readvac/devices/VirtualVacDevice.java
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * To change this license header, choose License Headers in Project Properties.
- * To change this template file, choose Tools | Templates
- * and open the template in the editor.
- */
-package inr.numass.readvac.devices;
-
-import hep.dataforge.context.Context;
-import hep.dataforge.control.measurements.Measurement;
-import hep.dataforge.control.measurements.Sensor;
-import hep.dataforge.exceptions.ControlException;
-import hep.dataforge.meta.Meta;
-import hep.dataforge.values.Value;
-
-/**
- *
- * @author Alexander Nozik <altavir@gmail.com>
- */
-public class VirtualVacDevice extends Sensor<Double> {
-
-    public VirtualVacDevice(String name, Context context, Meta meta) {
-        super(name, context, meta);
-    }
-
-    @Override
-    protected Object calculateState(String stateName) throws ControlException {
-        return Value.NULL;
-    }
-
-    @Override
-    protected Measurement<Double> createMeasurement() {
-        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
-    }
-
-    @Override
-    public String type() {
-        return "Virtual vacuumeter device";
-    }
-    
-}
diff --git a/numass-control/vac/src/main/java/inr/numass/readvac/fx/VacCollectorController.java b/numass-control/vac/src/main/java/inr/numass/readvac/fx/VacCollectorController.java
index 5d21f526..d326af5b 100644
--- a/numass-control/vac/src/main/java/inr/numass/readvac/fx/VacCollectorController.java
+++ b/numass-control/vac/src/main/java/inr/numass/readvac/fx/VacCollectorController.java
@@ -11,6 +11,8 @@ import hep.dataforge.control.devices.DeviceListener;
 import hep.dataforge.control.measurements.Measurement;
 import hep.dataforge.control.measurements.MeasurementListener;
 import hep.dataforge.data.DataPoint;
+import hep.dataforge.exceptions.ControlException;
+import hep.dataforge.exceptions.MeasurementException;
 import hep.dataforge.meta.Meta;
 import hep.dataforge.meta.MetaBuilder;
 import hep.dataforge.plots.PlotFrame;
@@ -26,8 +28,10 @@ import java.time.Instant;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.ResourceBundle;
+import javafx.application.Platform;
 import javafx.fxml.FXML;
 import javafx.fxml.Initializable;
+import javafx.scene.control.Label;
 import javafx.scene.layout.AnchorPane;
 import javafx.scene.layout.HBox;
 
@@ -47,6 +51,8 @@ public class VacCollectorController implements Initializable, DeviceListener, Me
     private AnchorPane plotHolder;
     @FXML
     private HBox vacBoxHolder;
+    @FXML
+    private Label timeLabel;
 
     @Override
     public void evaluateDeviceException(Device device, String message, Throwable exception) {
@@ -77,7 +83,11 @@ public class VacCollectorController implements Initializable, DeviceListener, Me
 
     @Override
     public void onMeasurementResult(Measurement<DataPoint> measurement, DataPoint result, Instant time) {
-        throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+        if (plottables != null) {
+            plottables.put(result);
+        }
+        Platform.runLater(() -> timeLabel.setText(time.toString()));
+
     }
 
     private void setupView() {
@@ -85,7 +95,7 @@ public class VacCollectorController implements Initializable, DeviceListener, Me
         plottables = new DynamicPlottableSet();
         views.stream().forEach((controller) -> {
             vacBoxHolder.getChildren().add(controller.getComponent());
-            plottables.addPlottable(new DynamicPlottable(controller.getTitle(), 
+            plottables.addPlottable(new DynamicPlottable(controller.getTitle(),
                     controller.meta(), controller.getName()));
         });
         plotContainer.setPlot(setupPlot(plottables));
@@ -94,11 +104,11 @@ public class VacCollectorController implements Initializable, DeviceListener, Me
     private PlotFrame setupPlot(DynamicPlottableSet plottables) {
         Meta plotConfig = new MetaBuilder("plotFrame")
                 .setNode(new MetaBuilder("yAxis")
-                        .setValue("logAxis", true)
+                        .setValue("type", "log")
                         .setValue("axisTitle", "pressure")
                         .setValue("axisUnits", "mbar")
                 )
-                .setValue("xAxis.timeAxis", true);
+                .setValue("xAxis.type", "time");
         JFreeChartFrame frame = new JFreeChartFrame("pressure", plotConfig);
         frame.addAll(plottables);
         return frame;
@@ -120,9 +130,17 @@ public class VacCollectorController implements Initializable, DeviceListener, Me
         });
         setupView();
     }
-    
-    private void startMeasurement(){
-        getDevice().startMeasurement();
+
+    public void startMeasurement() throws ControlException {
+        getDevice().startMeasurement().addListener(this);
+    }
+
+    public void stopMeasurement() {
+        try {
+            getDevice().stopMeasurement(true);
+        } catch (MeasurementException ex) {
+            throw new RuntimeException(ex);
+        }
     }
 
 }
diff --git a/numass-control/vac/src/main/java/inr/numass/readvac/fx/VacuumeterView.java b/numass-control/vac/src/main/java/inr/numass/readvac/fx/VacuumeterView.java
index d5b60910..5a3a290a 100644
--- a/numass-control/vac/src/main/java/inr/numass/readvac/fx/VacuumeterView.java
+++ b/numass-control/vac/src/main/java/inr/numass/readvac/fx/VacuumeterView.java
@@ -17,6 +17,7 @@ import java.io.IOException;
 import java.net.URL;
 import java.time.Instant;
 import java.util.ResourceBundle;
+import javafx.application.Platform;
 import javafx.fxml.FXML;
 import javafx.fxml.FXMLLoader;
 import javafx.fxml.Initializable;
@@ -69,8 +70,10 @@ public class VacuumeterView extends DeviceViewController implements MeasurementL
 
     @Override
     public void initialize(URL location, ResourceBundle resources) {
-        unitLabel.setText(getDevice().meta().getString("units", "mbar"));
-        deviceNameLabel.setText(getDevice().getName());
+        Platform.runLater(() -> {
+            unitLabel.setText(getDevice().meta().getString("units", "mbar"));
+            deviceNameLabel.setText(getDevice().getName());
+        });
     }
 
     @Override
@@ -80,26 +83,26 @@ public class VacuumeterView extends DeviceViewController implements MeasurementL
 
     @Override
     public void onMeasurementFailed(Measurement measurement, Throwable exception) {
-        valueLabel.setText("Err");
+        Platform.runLater(() -> valueLabel.setText("Err"));
     }
 
     @Override
     public void onMeasurementProgress(Measurement measurement, String message) {
-        status.setText(message);
+        Platform.runLater(() -> status.setText(message));
     }
 
     @Override
     public void onMeasurementProgress(Measurement measurement, double progress) {
-        status.setProgress(progress);
+        Platform.runLater(() -> status.setProgress(progress));
     }
 
     @Override
     public void onMeasurementResult(Measurement<Double> measurement, Double result, Instant time) {
-        valueLabel.setText(Double.toString(result));
+        Platform.runLater(() -> valueLabel.setText(Double.toString(result)));
     }
 
     @Override
-    public String getName(){
+    public String getName() {
         return getDevice().getName();
     }
 
@@ -107,8 +110,8 @@ public class VacuumeterView extends DeviceViewController implements MeasurementL
     public Meta meta() {
         return getDevice().meta();
     }
-    
-    public String getTitle(){
+
+    public String getTitle() {
         return meta().getString("title", getName());
-    }    
+    }
 }
diff --git a/numass-control/vac/src/main/java/inr/numass/readvac/test/TestVac.java b/numass-control/vac/src/main/java/inr/numass/readvac/test/TestVac.java
new file mode 100644
index 00000000..1276ff29
--- /dev/null
+++ b/numass-control/vac/src/main/java/inr/numass/readvac/test/TestVac.java
@@ -0,0 +1,67 @@
+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package inr.numass.readvac.test;
+
+import hep.dataforge.context.GlobalContext;
+import hep.dataforge.control.measurements.Sensor;
+import hep.dataforge.control.virtual.VirtualMeasurements;
+import hep.dataforge.exceptions.ControlException;
+import inr.numass.readvac.devices.VacCollectorDevice;
+import inr.numass.readvac.fx.VacCollectorController;
+import java.io.IOException;
+import java.time.Duration;
+import javafx.application.Application;
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Scene;
+import javafx.stage.Stage;
+
+/**
+ *
+ * @author Alexander Nozik
+ */
+public class TestVac extends Application {
+    VacCollectorController controller;
+
+    @Override
+    public void start(Stage primaryStage) throws IOException, ControlException {
+
+        Sensor<Double> sensor1 = VirtualMeasurements.randomDoubleSensor("vac1", Duration.ofMillis(200), 1e-5, 2e-6);
+        Sensor<Double> sensor2 = VirtualMeasurements.randomDoubleSensor("vac2", Duration.ofMillis(200), 2e-5, 2e-6);
+        Sensor<Double> sensor3 = VirtualMeasurements.randomDoubleSensor("vac3", Duration.ofMillis(200), 1e-7, 1e-8);
+
+        VacCollectorDevice collector = new VacCollectorDevice("collector", GlobalContext.instance(), null, sensor1, sensor2, sensor3);
+        
+        FXMLLoader loader = new FXMLLoader(getClass().getResource("/fxml/VacCollector.fxml"));
+        loader.load();
+        controller = loader.getController();
+        controller.setDevice(collector);
+        
+        Scene scene = new Scene(loader.getRoot(), 800, 600);
+
+        primaryStage.setTitle("Vacuum measurement test");
+        primaryStage.setScene(scene);
+        primaryStage.show();
+        controller.startMeasurement();
+    }
+
+    @Override
+    public void stop() throws Exception {
+        if(controller != null){
+            controller.stopMeasurement();
+        }
+        super.stop();
+        System.exit(0);
+    }
+    
+
+    /**
+     * @param args the command line arguments
+     */
+    public static void main(String[] args) {
+        launch(args);
+    }
+
+}
diff --git a/numass-control/vac/src/main/resources/fxml/PoweredVacBox.fxml b/numass-control/vac/src/main/resources/fxml/PoweredVacBox.fxml
index a01e4acf..45db8e34 100644
--- a/numass-control/vac/src/main/resources/fxml/PoweredVacBox.fxml
+++ b/numass-control/vac/src/main/resources/fxml/PoweredVacBox.fxml
@@ -9,7 +9,7 @@
 <?import org.controlsfx.control.StatusBar?>
 <?import org.controlsfx.control.ToggleSwitch?>
 
-<AnchorPane prefHeight="170.0" prefWidth="200.0" styleClass="vacBox" xmlns="http://javafx.com/javafx/8.0.65" xmlns:fx="http://javafx.com/fxml/1" fx:controller="fxml.PoweredVacBoxController">    
+<AnchorPane prefHeight="170.0" prefWidth="200.0" styleClass="vacBox" xmlns="http://javafx.com/javafx/8.0.65" xmlns:fx="http://javafx.com/fxml/1">    
     <stylesheets>
         <URL value="@/styles/vacstyles.css" />
     </stylesheets>    
diff --git a/numass-control/vac/src/main/resources/fxml/VacBox.fxml b/numass-control/vac/src/main/resources/fxml/VacBox.fxml
index 6c16cb87..34e64536 100644
--- a/numass-control/vac/src/main/resources/fxml/VacBox.fxml
+++ b/numass-control/vac/src/main/resources/fxml/VacBox.fxml
@@ -8,7 +8,7 @@
 <?import javafx.scene.layout.VBox?>
 <?import org.controlsfx.control.StatusBar?>
 
-<AnchorPane prefHeight="170.0" prefWidth="200.0" styleClass="vacBox" xmlns:fx="http://javafx.com/fxml/1" fx:controller="fxml.VacBoxController">    
+<AnchorPane prefHeight="170.0" prefWidth="200.0" styleClass="vacBox" xmlns:fx="http://javafx.com/fxml/1">    
     <stylesheets>
         <URL value="@/styles/vacstyles.css" />
     </stylesheets>    
diff --git a/numass-control/vac/src/main/resources/fxml/VacCollector.fxml b/numass-control/vac/src/main/resources/fxml/VacCollector.fxml
index 43be5acd..fc87a462 100644
--- a/numass-control/vac/src/main/resources/fxml/VacCollector.fxml
+++ b/numass-control/vac/src/main/resources/fxml/VacCollector.fxml
@@ -1,45 +1,42 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
-<?import javafx.scene.text.*?>
-<?import java.lang.*?>
-<?import java.net.*?>
-<?import java.util.*?>
-<?import javafx.scene.*?>
-<?import javafx.scene.control.*?>
-<?import javafx.scene.layout.*?>
+<?import java.net.URL?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.AnchorPane?>
+<?import javafx.scene.layout.BorderPane?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Pane?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
 
-<AnchorPane id="AnchorPane" prefHeight="600.0" prefWidth="600.0" styleClass="mainFxmlClass" xmlns="http://javafx.com/javafx/8.0.40" xmlns:fx="http://javafx.com/fxml/1" fx:controller="inr.numass.readvac.fx.VacCollectorController">
+<AnchorPane id="AnchorPane" prefHeight="600.0" prefWidth="600.0" styleClass="mainFxmlClass" xmlns="http://javafx.com/javafx/8.0.65" xmlns:fx="http://javafx.com/fxml/1" fx:controller="inr.numass.readvac.fx.VacCollectorController">
     <stylesheets>
         <URL value="@/styles/vacstyles.css" />
     </stylesheets>
-   <children>
-      <VBox prefHeight="200.0" prefWidth="100.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
-         <children>
-            <BorderPane prefHeight="50.0">
-               <center>
-                  <Pane prefHeight="200.0" prefWidth="200.0" BorderPane.alignment="CENTER">
-                     <children>
-                        <Label layoutX="208.0" layoutY="8.0" text="Time: ">
-                           <font>
-                              <Font size="24.0" />
-                           </font>
-                        </Label>
-                        <Label layoutX="271.0" layoutY="8.0" text="08.02.2016 15:57">
-                           <font>
-                              <Font size="24.0" />
-                           </font>
-                        </Label>
-                     </children>
-                  </Pane>
-               </center>
-            </BorderPane>
-            <ScrollPane prefHeight="175.0" vbarPolicy="NEVER">
-               <content>
-                  <HBox fx:id="vacBoxHolder" />
-               </content>
-            </ScrollPane>
-            <AnchorPane fx:id="plotHolder" />
-         </children>
-      </VBox>
-   </children>
+    <children>
+        <VBox prefHeight="200.0" prefWidth="100.0" AnchorPane.bottomAnchor="0.0" AnchorPane.leftAnchor="0.0" AnchorPane.rightAnchor="0.0" AnchorPane.topAnchor="0.0">
+            <children>
+                <HBox fx:id="vacBoxHolder" />
+                <BorderPane prefHeight="50.0">
+                    <center>
+                        <Pane prefHeight="200.0" prefWidth="200.0" BorderPane.alignment="CENTER">
+                            <children>
+                                <Label layoutX="208.0" layoutY="8.0" text="Time: ">
+                                    <font>
+                                        <Font size="24.0" />
+                                    </font>
+                                </Label>
+                                <Label fx:id="timeLabel" layoutX="271.0" layoutY="8.0" text="08.02.2016 15:57">
+                                    <font>
+                                        <Font size="24.0" />
+                                    </font>
+                                </Label>
+                            </children>
+                        </Pane>
+                    </center>
+                </BorderPane>
+                <AnchorPane fx:id="plotHolder" VBox.vgrow="ALWAYS" />
+            </children>
+        </VBox>
+    </children>
 </AnchorPane>
diff --git a/numass-control/vac/src/main/resources/styles/vacstyles.css b/numass-control/vac/src/main/resources/styles/vacstyles.css
index e831d71c..42e6e67b 100644
--- a/numass-control/vac/src/main/resources/styles/vacstyles.css
+++ b/numass-control/vac/src/main/resources/styles/vacstyles.css
@@ -11,7 +11,7 @@
 
     #pressure{
         -fx-font-size: 24;
-        -fx-font-style: bold
+        -fx-font-weight: bold
     }
 
     #units{