diff --git a/java_console/models/src/com/rusefi/core/ISensorCentral.java b/java_console/models/src/com/rusefi/core/ISensorCentral.java
new file mode 100644
index 0000000000..3ec2f89939
--- /dev/null
+++ b/java_console/models/src/com/rusefi/core/ISensorCentral.java
@@ -0,0 +1,19 @@
+package com.rusefi.core;
+
+/**
+ * 11/16/2017
+ * (c) Andrey Belomutskiy
+ */
+public interface ISensorCentral {
+    double getValue(Sensor sensor);
+
+    void setValue(double value, Sensor sensor);
+
+    void setAnySensorListener(SensorCentral.SensorListener2 anySensorListener);
+
+    void addListener(Sensor sensor, SensorCentral.SensorListener listener);
+
+    void removeListener(Sensor sensor, SensorCentral.SensorListener listener);
+
+    void initialize(EngineState es);
+}
diff --git a/java_console/models/src/com/rusefi/core/SensorCentral.java b/java_console/models/src/com/rusefi/core/SensorCentral.java
index 755df87f1a..609af58783 100644
--- a/java_console/models/src/com/rusefi/core/SensorCentral.java
+++ b/java_console/models/src/com/rusefi/core/SensorCentral.java
@@ -12,22 +12,23 @@ import java.util.concurrent.CopyOnWriteArrayList;
  * Date: 1/6/13
  * (c) Andrey Belomutskiy
  */
-public class SensorCentral {
+public class SensorCentral implements ISensorCentral {
     public static final String RPM_KEY = "rpm";
     private static final SensorCentral INSTANCE = new SensorCentral();
 
     private final Map<Sensor, Double> values = new EnumMap<>(Sensor.class);
 
     private final Map<Sensor, List<SensorListener>> allListeners = new EnumMap<>(Sensor.class);
-    public SensorListener2 anySensorListener;
+    private SensorListener2 anySensorListener;
 
-    public static SensorCentral getInstance() {
+    public static ISensorCentral getInstance() {
         return INSTANCE;
     }
 
     private SensorCentral() {
     }
 
+    @Override
     public double getValue(Sensor sensor) {
         Double value = values.get(sensor);
         if (value == null)
@@ -35,6 +36,7 @@ public class SensorCentral {
         return value;
     }
 
+    @Override
     public void setValue(double value, final Sensor sensor) {
         Double oldValue = values.get(sensor);
         boolean isUpdated = oldValue == null || !oldValue.equals(value);
@@ -58,6 +60,12 @@ public class SensorCentral {
             anySensorListener.onSensorUpdate(sensor, value);
     }
 
+    @Override
+    public void setAnySensorListener(SensorListener2 anySensorListener) {
+        this.anySensorListener = anySensorListener;
+    }
+
+    @Override
     public void addListener(Sensor sensor, SensorListener listener) {
         List<SensorListener> listeners;
         synchronized (allListeners) {
@@ -69,6 +77,7 @@ public class SensorCentral {
         listeners.add(listener);
     }
 
+    @Override
     public void removeListener(Sensor sensor, SensorListener listener) {
         List<SensorListener> listeners;
         synchronized (allListeners) {
@@ -78,6 +87,7 @@ public class SensorCentral {
             listeners.remove(listener);
     }
 
+    @Override
     public void initialize(EngineState es) {
         addDoubleSensor(RPM_KEY, Sensor.RPM, es);
         addDoubleSensor("mat", Sensor.IAT, es);
diff --git a/java_console/romraider/src/com/romraider/logger/ecu/ui/handler/table/TableUpdateHandler.java b/java_console/romraider/src/com/romraider/logger/ecu/ui/handler/table/TableUpdateHandler.java
index 5b28fab035..48c28bcbb4 100644
--- a/java_console/romraider/src/com/romraider/logger/ecu/ui/handler/table/TableUpdateHandler.java
+++ b/java_console/romraider/src/com/romraider/logger/ecu/ui/handler/table/TableUpdateHandler.java
@@ -75,7 +75,7 @@ public final class TableUpdateHandler {
         };
 
 
-        SensorCentral.getInstance().anySensorListener = new SensorCentral.SensorListener2() {
+        SensorCentral.getInstance().setAnySensorListener(new SensorCentral.SensorListener2() {
             @Override
             public void onSensorUpdate(final Sensor sensor, double value) {
                 ResponseImpl r = new ResponseImpl();
@@ -131,7 +131,7 @@ public final class TableUpdateHandler {
                 TableUpdateHandler.getInstance().handleDataUpdate(r);
 
             }
-        };
+        });
     }
 
     private TableUpdateHandler() {
diff --git a/java_console/ui/src/com/rusefi/ui/FuelTunePane.java b/java_console/ui/src/com/rusefi/ui/FuelTunePane.java
index 7b1852627f..c1ce6faec6 100644
--- a/java_console/ui/src/com/rusefi/ui/FuelTunePane.java
+++ b/java_console/ui/src/com/rusefi/ui/FuelTunePane.java
@@ -15,6 +15,7 @@ import com.rusefi.autotune.stDataOnline;
 import com.rusefi.binaryprotocol.BinaryProtocol;
 import com.rusefi.binaryprotocol.BinaryProtocolHolder;
 import com.rusefi.config.Fields;
+import com.rusefi.core.ISensorCentral;
 import com.rusefi.core.Sensor;
 import com.rusefi.core.SensorCentral;
 import com.rusefi.ui.config.BaseConfigField;
@@ -282,7 +283,7 @@ public class FuelTunePane {
     }
 
     public void showContent() {
-        final SensorCentral sc = SensorCentral.getInstance();
+        final ISensorCentral sc = SensorCentral.getInstance();
         sc.addListener(Sensor.RPM, new SensorCentral.SensorListener() {
             @Override
             public void onSensorUpdate(double value) {