diff --git a/TBF/BenchControl/Modbus/UltrasoundLevelMeter/Factory.cs b/TBF/BenchControl/Modbus/UltrasoundLevelMeter/Factory.cs
new file mode 100644
index 000000000..5f69d185c
--- /dev/null
+++ b/TBF/BenchControl/Modbus/UltrasoundLevelMeter/Factory.cs
@@ -0,0 +1,26 @@
+///
+/// Copyright (c) 2018 Sensus Slovensko a.s.
+///
+using System.Collections.Generic;
+using TBF.BenchControl.Generic;
+
+namespace TBF.BenchControl.Modbus.UltrasoundLevelMeter
+{
+	public class Factory : IComponentFactory
+	{
+		public string ClassName { get { return this.GetType().Namespace.Substring(17); } }
+
+		public void ResetStaticProperties() { LevelMeter.ResetStaticProperties(); }
+
+		public IComponent DummyComponent() { return new LevelMeter(); }
+
+		public IComponent GetComponent(IComponentCfg cfg, IList<IComponent> components) { return new LevelMeter(cfg, components); }
+
+		public IComponentCfg DefaultConfig() { return new LevelMeterCfg(this); }
+
+		public IComponentCfg CmpntCfgFromCmpntEntity(Config.Entities.Component component)
+        {
+            return ComponentCfgBase.CreateFromDbEntity(LevelMeterCfg.Serializer, component, this);
+        }
+	}
+}
diff --git a/TBF/BenchControl/Modbus/UltrasoundLevelMeter/LevelMeter.cs b/TBF/BenchControl/Modbus/UltrasoundLevelMeter/LevelMeter.cs
new file mode 100644
index 000000000..726741139
--- /dev/null
+++ b/TBF/BenchControl/Modbus/UltrasoundLevelMeter/LevelMeter.cs
@@ -0,0 +1,119 @@
+///
+/// Copyright (c) 2018 Sensus Slovensko a.s.
+///
+using System;
+using System.Collections.Generic;
+using log4net;
+using TBF.BenchControl.Generic;
+using TBF.Boxes;
+
+namespace TBF.BenchControl.Modbus.UltrasoundLevelMeter
+{
+	public class LevelMeter : ComponentBase, GenericDevices.IPressureMeter, IDevice
+	{
+		private static readonly ILog log = LogManager.GetLogger(typeof(LevelMeter));
+        public override string ToString() { return string.Format("LevelMeter({0})", Cfg.ToString(1)); }
+
+		readonly LevelMeterCfg myCfg;
+	    readonly GenericDevices.IModbus modbus;
+
+        private float receivedLevel;
+
+        const ushort WatchdogBitMask = 0x0010;
+
+		public LevelMeter()
+		{
+		}
+
+		public LevelMeter(Generic.IComponentCfg cfg, IList<Generic.IComponent> components)
+            : base(cfg)
+		{
+			myCfg = cfg as LevelMeterCfg;
+
+			modbus = (GenericDevices.IModbus)TbfComponents.FindComponent(cfg.ParentName, components);
+			if (modbus == null) throw new Exception("Cannot find " + Name + " parent");
+
+			/// Connect to handler
+			//ModbusAddress.MeretRS485Address[Idx0] = ModbusAddress;
+
+			log.Debug(this.ToString());
+		}
+
+        /// <summary>Initialize this device</summary>
+        public void Initialize()
+        {
+        }
+
+
+		/// <summary>
+		/// Returns the water pressure
+		/// </summary>
+		/// <returns>Pressure in mBar</returns>
+		public float ReadLevel()
+		{
+			return (float)Config.Units.ConvertFrom(Config.Unit.mm, receivedLevel);
+		}
+
+		/// <summary>
+		/// Events:  PressureDone, Error
+		/// </summary>
+		/// <param name="pressure">Reference to a variable for the pressure in Bar</param>
+		/// <returns>ReadPressureOp instance reference casted to IOperaton</returns>
+		public IOperation ReadPressureOp(ref FloatBox pressure)
+		{
+			return new ReadLevelOp(this, ref pressure);
+		}
+
+		/// <summary>
+		/// Events:  pressureDone, Error
+		/// </summary>
+		/// <param name="pressure">Reference to a variable for the pressure in Bar</param>
+		/// <param name="pressureDone">Event returned when measurement done</param>
+		/// <returns>ReadPressureOp instance reference casted to IOperaton</returns>
+		public IOperation ReadPressureOp(ref FloatBox pressure, Event pressureDone)
+		{
+			return new ReadLevelOp(this, ref pressure, pressureDone);
+		}
+
+
+        /// <summary>Run this device</summary>
+        public void RunDeviceBefore()
+        {
+            if (myCfg.DebugLevel == Config.Entities.DebugMode.Simulate ||
+                myCfg.DebugLevel == Config.Entities.DebugMode.FailureDuringOperation)
+            {
+                return;
+            }
+
+            if (modbus.ReceivedTelegrams[myCfg.ModbusAddress].Count > 0)
+			{
+				byte[] telegram = modbus.ReceivedTelegrams[myCfg.ModbusAddress].Dequeue();
+				if (telegram.Length == 9 && telegram[1] == 4 && telegram[2] == 4)
+				{
+					/// Swap byte order
+					byte t1 = telegram[3];
+					byte t2 = telegram[4];
+					byte t3 = telegram[5];
+					byte t4 = telegram[6];
+					telegram[3] = t4;
+					telegram[4] = t3;
+					telegram[5] = t2;
+					telegram[6] = t1;
+
+					receivedLevel = System.BitConverter.ToSingle(telegram, 3);
+				}
+			}
+
+            if ((StateMachine.Time % 3) == (myCfg.ModbusAddress % 3))          /// Each 3 seconds
+            {
+                const byte Function = 4;	/// Read input registers
+                const ushort Address = 0;	/// Pressure
+                modbus.SendMessage(myCfg.ModbusAddress, Function, Address, 2);
+            }
+        }
+
+        public void RunDeviceAfter() { }
+		public void StopDevice() { }
+		public void StopDevice2() { }
+	}
+}
diff --git a/TBF/BenchControl/Modbus/UltrasoundLevelMeter/LevelMeterCfg.cs b/TBF/BenchControl/Modbus/UltrasoundLevelMeter/LevelMeterCfg.cs
new file mode 100644
index 000000000..6ff32963f
--- /dev/null
+++ b/TBF/BenchControl/Modbus/UltrasoundLevelMeter/LevelMeterCfg.cs
@@ -0,0 +1,142 @@
+///
+/// Copyright (c) 2018 Sensus Slovensko a.s.
+///
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Xml.Serialization;
+using Config.Entities;
+using TBF.BenchControl.Generic;
+
+namespace TBF.BenchControl.Modbus.UltrasoundLevelMeter
+{
+    public class LevelMeterCfg : ComponentCfgBase, Generic.IChildComponentCfg, Config.Entities.IParamsProvider
+	{
+		public static XmlSerializer Serializer = XmlSerializer.FromTypes(new[] { typeof(LevelMeterCfg) })[0];
+		public override XmlSerializer GetSerializer() { return Serializer; }
+
+        public IComponentCfgCtrl GetControl()
+        {
+            IList<string> parents = new List<string>();
+            if (StateMachine.Components != null)
+            {
+                foreach (var cmpnt in StateMachine.Components)
+                {
+                    if (TbfComponents.CmpntFactoryFromClassName(cmpnt.ClassName) is TBF.BenchControl.Modbus.Common.Factory)
+                    {
+                        parents.Add(cmpnt.Name);
+                    }
+                }
+            }
+
+            return new Configs.ParamsProvider.ComponentCfgCtrl(this, parents);
+        }
+
+		///
+		/// Serialized parameters 
+		///
+		public byte ModbusAddress;		/// 1..255
+
+		/// Private parameterless constructor invoked by all other (public) constructors
+		LevelMeterCfg() {}
+
+        public LevelMeterCfg(IComponentFactory factory)
+            : this()
+        {
+            Factory = factory;
+            Name = "ULM";
+            ParentName = "Modbus";
+            InitializeAll();
+        }
+
+        public string ComponentName { get { return Name; } }
+
+        public void InitializeAll()
+        {
+            ModbusAddress = 49;
+        }
+
+
+        string[] paramNames = new string[]
+		{
+            "Modbus address",
+        };
+        public string ParamName(int i) { return paramNames[i]; }
+        public int ParamsCount() { return paramNames.Length; }
+        public IList<string> ParamValues(int i) { return null; }
+
+		public string ToString(int i)
+		{
+            if (i == -1)
+            {
+			    return string.Format("ModbusAddr={0}", ModbusAddress);
+            }
+
+            switch (i)
+            {
+                case 0:  return ModbusAddress.ToString();
+                default: return string.Empty;
+            }
+		}
+
+
+        public CfgUpdateFlags UpdateParam(int i, string strValue)
+        {
+            switch (i)
+            {
+                case 0:
+                    byte addr = byte.Parse(strValue);
+                    if (ModbusAddress != addr)
+                    {
+                        ModbusAddress = addr;
+                        return CfgUpdateFlags.RestartRqrd;
+                    }
+                    else
+                    {
+                        return CfgUpdateFlags.None;
+                    }
+
+                default:
+                    return CfgUpdateFlags.None;
+            }
+        }
+
+        public bool ValidateParam(int i, string strValue, out string message)
+        {
+            message = string.Empty;
+            int dummy;
+
+            switch (i)
+            {
+                case 0:
+                    if (int.TryParse(strValue, out dummy) && dummy >= 0 && dummy <= 255) return true;
+                    break;
+                default:
+                    message = "Invalid index";
+                    return false;
+            }
+
+            message = ParamName(i) + " is invalid";
+            return false;
+        }
+
+        void CopyContentTo(LevelMeterCfg prms)
+        {
+            prms.ParentName = this.ParentName;
+            prms.ModbusAddress = this.ModbusAddress;
+        }
+
+
+        public Config.Entities.IParamsProvider Clone()
+        {
+            LevelMeterCfg pars = new LevelMeterCfg();
+            CopyContentTo(pars);
+            return pars;
+        }
+
+        public void UpdateEmbeddedDbEntity()
+        {
+            /// Do nothing
+        }
+    }
+}
diff --git a/TBF/BenchControl/Modbus/UltrasoundLevelMeter/ReadLevelOp.cs b/TBF/BenchControl/Modbus/UltrasoundLevelMeter/ReadLevelOp.cs
new file mode 100644
index 000000000..81c4e8f09
--- /dev/null
+++ b/TBF/BenchControl/Modbus/UltrasoundLevelMeter/ReadLevelOp.cs
@@ -0,0 +1,64 @@
+///
+/// Copyright (c) 2018 Sensus Slovensko a.s.
+///
+using System;
+using log4net;
+using TBF.Boxes;
+
+namespace TBF.BenchControl.Modbus.UltrasoundLevelMeter
+{
+	public class ReadLevelOp : IOperation
+	{
+		private static readonly ILog log = LogManager.GetLogger(typeof(ReadLevelOp));
+        public override string ToString() { return string.Format("ReadLevelOp(.,{0},.)", eventDone); }
+
+		/// Set by the constructor
+        readonly LevelMeter levelMeter;
+		readonly Event eventDone;
+
+        /// Measured value
+        FloatBox level;
+
+		/// <summary>
+		/// Events:  PressureInDone, PressureOutDone or Error
+		/// </summary>
+		/// <param name="levelMeter">Pressure meter reference</param>
+		/// <param name="pressure">Reference to the measured pressure variable, value is in bar</param>
+		/// <param name="eventDone">Event to be returned by Run() when completed OK</param>
+		public ReadLevelOp(LevelMeter levelMeter, ref FloatBox pressure, Event eventDone)
+        {
+            if (levelMeter == null) throw new ArgumentNullException("levelMeter");
+            this.levelMeter = levelMeter;
+            this.level = pressure;
+            this.eventDone = eventDone;
+
+			log.Debug(this.ToString());
+        }
+        public ReadLevelOp(LevelMeter pressureMeter, ref FloatBox pressure)
+			: this(pressureMeter, ref pressure, Event.PressureDone)
+		{
+		}
+
+
+		/// <summary>Start this operation</summary>
+		public void Start()
+        {
+            level.Val = levelMeter.ReadLevel();
+        }
+
+		/// <summary>Run this operation</summary>
+		/// <returns>
+		///		Event.PressureInDone or Event.PressureOutDone
+		/// </returns>
+		public Event Run()
+		{
+            level.Val = levelMeter.ReadLevel();
+			return eventDone;
+		}
+
+		/// <summary>Stop this operation</summary>
+		public void Stop()
+		{
+		}
+	}
+}
diff --git a/TBF/BenchControl/TbfComponents.cs b/TBF/BenchControl/TbfComponents.cs
index 67cc5a20c..8f56ecf64 100644
--- a/TBF/BenchControl/TbfComponents.cs
+++ b/TBF/BenchControl/TbfComponents.cs
@@ -95,6 +95,7 @@ namespace TBF.BenchControl
 			Factories.Add(new Modbus.PressureMeter.Meret.Factory());							/// Modbus.PressureMeter.Meret - Meret pressure meter connected via modbus
 			Factories.Add(new Modbus.QuidoRS.Factory());										/// Modbus.QuidoRS
 			Factories.Add(new Modbus.TankSelector.Factory());									/// Modbus.TankSelector
+			Factories.Add(new Modbus.UltrasoundLevelMeter.Factory());
 			Factories.Add(new Network.Adapter.Factory());
 			Factories.Add(new Network.Camera.CLP1611.Factory());
 			Factories.Add(new Network.Camera.Display.Factory());
diff --git a/TBF/TBF.csproj b/TBF/TBF.csproj
index ede96fc85..b6006e692 100644
--- a/TBF/TBF.csproj
+++ b/TBF/TBF.csproj
@@ -647,6 +647,10 @@
       <DependentUpon>TankSelectorCfgCtrl.cs</DependentUpon>
     </Compile>
     <Compile Include="BenchControl\Modbus\TankSelector\UnselectTankOp.cs" />
+    <Compile Include="BenchControl\Modbus\UltrasoundLevelMeter\Factory.cs" />
+    <Compile Include="BenchControl\Modbus\UltrasoundLevelMeter\LevelMeter.cs" />
+    <Compile Include="BenchControl\Modbus\UltrasoundLevelMeter\LevelMeterCfg.cs" />
+    <Compile Include="BenchControl\Modbus\UltrasoundLevelMeter\ReadLevelOp.cs" />
     <Compile Include="BenchControl\Network\Adapter\AdapterInfo.cs" />
     <Compile Include="BenchControl\Network\Adapter\Netadapter.cs" />
     <Compile Include="BenchControl\Network\Adapter\Factory.cs" />