diff --git a/TBF/Rig/GenericDevices/ITankDrainingCfg.cs b/TBF/Rig/GenericDevices/ITankDrainingCfg.cs
index 6cf14667d..bf950750b 100644
--- a/TBF/Rig/GenericDevices/ITankDrainingCfg.cs
+++ b/TBF/Rig/GenericDevices/ITankDrainingCfg.cs
@@ -9,12 +9,12 @@ namespace TBF.Rig.GenericDevices
 		/// <summary>
 		/// Max. mass of water in 'kg' or volume in 'l'
 		/// </summary>
-		float Capacity { get; }
+		double Capacity { get; }
 
 		/// <summary>
 		/// 'Empty' water mass in 'kg' or volume in 'l'
 		/// </summary>
-		float Empty { get; }
+		double Empty { get; }
 
 		/// <summary>
 		/// Time in [s] to drain the tank completely
diff --git a/TBF/Rig/MettlerToledo/Standard/BalanceCfg.cs b/TBF/Rig/MettlerToledo/Standard/BalanceCfg.cs
index d6ecf6467..d5918c160 100644
--- a/TBF/Rig/MettlerToledo/Standard/BalanceCfg.cs
+++ b/TBF/Rig/MettlerToledo/Standard/BalanceCfg.cs
@@ -37,9 +37,9 @@ namespace TBF.Rig.MettlerToledo.Standard
         public StopBits StopBits;
         public Handshake Handshake;
 
-        public float Capacity { get; set; }         /// Max. water mass in 'kg' or volume in 'l'
-        public float Empty { get; set; }            /// Mass threshold for 'Tank is empty' in 'kg' (or volume in 'l')
-        public float EmptyUp { get; set; }          /// Mass threshold for 'Tank is empty' in 'kg' (or volume in 'l') when the drain valve is not open
+        public double Capacity { get; set; }        /// Max. water mass in 'kg' or volume in 'l'
+        public double Empty { get; set; }           /// Mass threshold for 'Tank is empty' in 'kg' (or volume in 'l')
+        public double EmptyUp { get; set; }         /// Mass threshold for 'Tank is empty' in 'kg' (or volume in 'l') when the drain valve is not open
         public string Evaporation { get; set; }
         public string DrainValve { get; set; }
         public int DrainTimeSec { get; set; }
@@ -104,9 +104,9 @@ namespace TBF.Rig.MettlerToledo.Standard
             DataBits = 7;
             StopBits = System.IO.Ports.StopBits.One;
             Handshake = System.IO.Ports.Handshake.XOnXOff;
-            Capacity = 200.0f;
-            Empty = 20.0f;
-            EmptyUp = 2.0f;
+            Capacity = 200.0;
+            Empty = 20.0;
+            EmptyUp = 2.0;
             DrainValve = "VB1";
             DrainTimeSec = 180;
             BuoyancyTemp = 20.0f;
diff --git a/TBF/Rig/Scales/MettlerToledo/ScaleCfg.cs b/TBF/Rig/Scales/MettlerToledo/ScaleCfg.cs
index 4c1ca9003..502791c2d 100644
--- a/TBF/Rig/Scales/MettlerToledo/ScaleCfg.cs
+++ b/TBF/Rig/Scales/MettlerToledo/ScaleCfg.cs
@@ -46,9 +46,9 @@ namespace TBF.Rig.Scales.MettlerToledo
         public StopBits StopBits;
         public Handshake Handshake;
         public Protocol Protocol;
-        public float Capacity { get; set; }         /// Max. water mass in 'kg' or volume in 'l'
-        public float Empty { get; set; }            /// Mass threshold for 'Tank is empty' in 'kg' (or volume in 'l')
-        public float EmptyUp { get; set; }          /// Mass threshold for 'Tank is empty' in 'kg' (or volume in 'l') when the drain valve is not open
+        public double Capacity { get; set; }        /// Max. water mass in 'kg' or volume in 'l'
+        public double Empty { get; set; }           /// Mass threshold for 'Tank is empty' in 'kg' (or volume in 'l')
+        public double EmptyUp { get; set; }         /// Mass threshold for 'Tank is empty' in 'kg' (or volume in 'l') when the drain valve is not open
         public string Evaporation { get; set; }
         public string DrainValve { get; set; }
         public int DrainTimeSec { get; set; }
@@ -121,9 +121,9 @@ namespace TBF.Rig.Scales.MettlerToledo
             StopBits = System.IO.Ports.StopBits.One;
             Handshake = System.IO.Ports.Handshake.None;
             Protocol = Protocol.SICS;
-            Capacity = 200.0f;
-            Empty = 20.0f;
-            EmptyUp = 2.0f;
+            Capacity = 200.0;
+            Empty = 20.0;
+            EmptyUp = 2.0;
             DrainValve = "VB1";
             DrainTimeSec = 180;
             ActionAfter1stDraining = ActionA1D.Zero;
@@ -234,9 +234,9 @@ namespace TBF.Rig.Scales.MettlerToledo
                 case 4: StopBits = TBF.Utils.GetStopBits(str); return CfgUpdateFlags.RestartRqrd;
                 case 5: Handshake = TBF.Utils.GetHandshake(str); return CfgUpdateFlags.RestartRqrd;
                 case 6: Protocol = (str == Protocol.SICS.ToString()) ? Protocol.SICS : Protocol.ID1; return CfgUpdateFlags.RestartRqrd;
-                case 7: Capacity = Utils.ParseUFloat(str); return CfgUpdateFlags.RestartRqrd;
-                case 8: Empty = Utils.ParseUFloat(str); return CfgUpdateFlags.RestartRqrd;
-                case 9: EmptyUp = Utils.ParseUFloat(str); return CfgUpdateFlags.RestartRqrd;
+                case 7: Capacity = Utils.ParseUDouble(str); return CfgUpdateFlags.RestartRqrd;
+                case 8: Empty = Utils.ParseUDouble(str); return CfgUpdateFlags.RestartRqrd;
+                case 9: EmptyUp = Utils.ParseUDouble(str); return CfgUpdateFlags.RestartRqrd;
                 case 10: DrainValve = str; return CfgUpdateFlags.RestartRqrd;
                 case 11: DrainTimeSec = int.Parse(str); return CfgUpdateFlags.RestartRqrd;
                 case 12:
@@ -253,7 +253,7 @@ namespace TBF.Rig.Scales.MettlerToledo
         {
             message = string.Empty;
             int idummy;
-            float fdummy;
+            double ddummy;
 
             switch (i)
             {
@@ -274,7 +274,7 @@ namespace TBF.Rig.Scales.MettlerToledo
                 case 7:     /// Capacity
                 case 8:     /// Empty
                 case 9:     /// EmptyUp
-                    if (Utils.TryParseUFloat(strValue, out fdummy)) return true;
+                    if (Utils.TryParseUDouble(strValue, out ddummy)) return true;
                     break;
                 case 13:    /// Evaporation
                     return true;
diff --git a/TBF/Rig/Various/TankWithLevelMsrmnt/TankCfg.cs b/TBF/Rig/Various/TankWithLevelMsrmnt/TankCfg.cs
index 41da3f1dd..b34ee49a7 100644
--- a/TBF/Rig/Various/TankWithLevelMsrmnt/TankCfg.cs
+++ b/TBF/Rig/Various/TankWithLevelMsrmnt/TankCfg.cs
@@ -21,12 +21,12 @@ namespace TBF.Rig.Various.TankWithLevelMsrmnt
 		///
 
 		/// Max. water mass in 'kg' or volume in 'l'
-		private float capacity;
-		public float Capacity { get { return capacity; } set { capacity = value; } }
+		private double capacity;
+		public double Capacity { get { return capacity; } set { capacity = value; } }
 
 		/// Mass threshold for 'Tank is empty' in 'kg' (or volume in 'l')
-		private float empty;
-		public float Empty { get { return empty; } set { empty = value; } }
+		private double empty;
+		public double Empty { get { return empty; } set { empty = value; } }
 
 		private string drainValve;
 		public string DrainValve { get { return drainValve; } set { drainValve = value; } }