thingsboard-aplcache

diff --git a/ui/src/app/widget/lib/analogue-compass.js b/ui/src/app/widget/lib/analogue-compass.js
index 46059c7..85ec0a6 100644
--- a/ui/src/app/widget/lib/analogue-compass.js
+++ b/ui/src/app/widget/lib/analogue-compass.js
@@ -104,7 +104,9 @@ export default class TbAnalogueCompass {
                 var tvPair = cellData.data[cellData.data.length -
                 1];
                 var value = tvPair[1];
-                this.gauge.value = value;
+                if(value !== this.gauge.value) {
+                    this.gauge.value = value;
+                }
             }
         }
     }

diff --git a/ui/src/app/widget/lib/analogue-linear-gauge.js b/ui/src/app/widget/lib/analogue-linear-gauge.js
index a045f94..da4e386 100644
--- a/ui/src/app/widget/lib/analogue-linear-gauge.js
+++ b/ui/src/app/widget/lib/analogue-linear-gauge.js
@@ -212,7 +212,9 @@ export default class TbAnalogueLinearGauge {
                 var tvPair = cellData.data[cellData.data.length -
                 1];
                 var value = tvPair[1];
-                this.gauge.value = value;
+                if(value !== this.gauge.value) {
+                    this.gauge.value = value;
+                }
             }
         }
     }

diff --git a/ui/src/app/widget/lib/analogue-radial-gauge.js b/ui/src/app/widget/lib/analogue-radial-gauge.js
index 76a2c38..7a5c0c7 100644
--- a/ui/src/app/widget/lib/analogue-radial-gauge.js
+++ b/ui/src/app/widget/lib/analogue-radial-gauge.js
@@ -221,7 +221,9 @@ export default class TbAnalogueRadialGauge {
                 var tvPair = cellData.data[cellData.data.length -
                 1];
                 var value = tvPair[1];
-                this.gauge.value = value;
+                if(value !== this.gauge.value) {
+                    this.gauge.value = value;
+                }
             }
         }
 

diff --git a/ui/src/app/widget/lib/canvas-digital-gauge.js b/ui/src/app/widget/lib/canvas-digital-gauge.js
index 74ab7ac..cf0f682 100644
--- a/ui/src/app/widget/lib/canvas-digital-gauge.js
+++ b/ui/src/app/widget/lib/canvas-digital-gauge.js
@@ -204,7 +204,9 @@ export default class TbCanvasDigitalGauge {
                     this.gauge.options.label = timestampDisplayValue;
                 }
                 var value = tvPair[1];
-                this.gauge.value = value;
+                if(value !== this.gauge.value) {
+                    this.gauge.value = value;
+                }
             }
         }
     }