Update 'index.js'

index.js

@@ -12,9 +12,9 @@ let deviceManager = DeviceManager({
   onUpdateStats: updateStats,
   measurements: {
     temperature: {type: 'integer', min: -10, max: 50},
-    air_humidity: {type: 'integer', min: 30, max: 100},
-    ground_humidity: {type: 'integer', min: 30, max: 100},
-    airforce: {type: 'integer', min: 30, max: 100}
+    air_humidity: {type: 'integer', min: 20, max: 100},
+    ground_humidity: {type: 'integer', min: 20, max: 100},
+    airforce: {type: 'integer', min: 0, max: 10}
   }
 })