diff --git a/src/Agilent4uhv.xmi b/src/Agilent4uhv.xmi
index 28a071760f0016fda43139566e119910ece73a31..02eddebbbabd75e5d8ec6d913254e44e2a9eec22 100644
--- a/src/Agilent4uhv.xmi
+++ b/src/Agilent4uhv.xmi
@@ -13,7 +13,7 @@
     <deviceProperties name="PollingSleep" description="Sleep between hardware requests made by internal thread">
       <type xsi:type="pogoDsl:IntType"/>
       <status abstract="false" inherited="false" concrete="true" concreteHere="true"/>
-      <DefaultPropValue>0</DefaultPropValue>
+      <DefaultPropValue>10000</DefaultPropValue>
     </deviceProperties>
     <commands name="State" description="This command gets the device state (stored in its device_state data member) and returns it to the caller." execMethod="dev_state" displayLevel="OPERATOR" polledPeriod="0">
       <argin description="none">
diff --git a/src/Agilent4uhvClass.cpp b/src/Agilent4uhvClass.cpp
index f38c055df05ab9b7e25545c1399f8dd0d1472dd4..4c280554b375c4e50ca433e4ed138fe071b500c4 100644
--- a/src/Agilent4uhvClass.cpp
+++ b/src/Agilent4uhvClass.cpp
@@ -263,10 +263,10 @@ void Agilent4uhvClass::set_default_property()
 
 	//	Set Default device Properties
 	prop_name = "PollingSleep";
-	prop_desc = "Sleep between hardware requests made by internal thread (max value is 1000000)";
-	prop_def  = "0";
+	prop_desc = "Sleep between hardware requests made by internal thread";
+	prop_def  = "10000";
 	vect_data.clear();
-	vect_data.push_back("0");
+	vect_data.push_back("10000");
 	if (prop_def.length()>0)
 	{
 		Tango::DbDatum	data(prop_name);