diff --git a/src/Vg.cpp b/src/Vg.cpp
index a0dedf285ea6ad0ea18bb288d9abccbab3d38d92..2f90f654383431d0e0903e3503901b29aab4bfa9 100644
--- a/src/Vg.cpp
+++ b/src/Vg.cpp
@@ -193,6 +193,8 @@ void Vg::get_device_property()
 	dev_prop.push_back(Tango::DbDatum("Channel"));
 	dev_prop.push_back(Tango::DbDatum("Timeout"));
 	dev_prop.push_back(Tango::DbDatum("MaxBackOff"));
+	dev_prop.push_back(Tango::DbDatum("CalibrationFactor"));
+	dev_prop.push_back(Tango::DbDatum("CalibrationOffset"));
 
 	//	is there at least one property to be read ?
 	if (dev_prop.size()>0)
@@ -251,6 +253,28 @@ void Vg::get_device_property()
 		//	And try to extract MaxBackOff value from database
 		if (dev_prop[i].is_empty()==false)	dev_prop[i]  >>  maxBackOff;
 
+		//	Try to initialize CalibrationFactor from class property
+		cl_prop = ds_class->get_class_property(dev_prop[++i].name);
+		if (cl_prop.is_empty()==false)	cl_prop  >>  calibrationFactor;
+		else {
+			//	Try to initialize CalibrationFactor from default device value
+			def_prop = ds_class->get_default_device_property(dev_prop[i].name);
+			if (def_prop.is_empty()==false)	def_prop  >>  calibrationFactor;
+		}
+		//	And try to extract CalibrationFactor value from database
+		if (dev_prop[i].is_empty()==false)	dev_prop[i]  >>  calibrationFactor;
+
+		//	Try to initialize CalibrationOffset from class property
+		cl_prop = ds_class->get_class_property(dev_prop[++i].name);
+		if (cl_prop.is_empty()==false)	cl_prop  >>  calibrationOffset;
+		else {
+			//	Try to initialize CalibrationOffset from default device value
+			def_prop = ds_class->get_default_device_property(dev_prop[i].name);
+			if (def_prop.is_empty()==false)	def_prop  >>  calibrationOffset;
+		}
+		//	And try to extract CalibrationOffset value from database
+		if (dev_prop[i].is_empty()==false)	dev_prop[i]  >>  calibrationOffset;
+
 	}
 
 	/*----- PROTECTED REGION ID(Vg::get_device_property_after) ENABLED START -----*/
@@ -365,7 +389,7 @@ void Vg::read_Pressure(Tango::Attribute &attr)
 		attr_name << "Pressure_" << channel;
 
 		tpg_proxy->read_attribute(attr_name.str().c_str()) >> *attr_Pressure_read;
-
+		*attr_Pressure_read = calibrationFactor**attr_Pressure_read + calibrationOffset;
 		attr.set_value(attr_Pressure_read);
 	}
 	catch (Tango::DevFailed &ex)
diff --git a/src/Vg.h b/src/Vg.h
index e1dd8c77d30b3a0d94a9eb446a26b65967956feb..004980aaba7abdeb94afcc4dda93b1b7417060ca 100644
--- a/src/Vg.h
+++ b/src/Vg.h
@@ -59,6 +59,10 @@ public:
 	Tango::DevLong	timeout;
 	//	MaxBackOff:	
 	Tango::DevLong	maxBackOff;
+	//	CalibrationFactor:	Pressure Calibration Factor
+	Tango::DevDouble	calibrationFactor;
+	//	CalibrationOffset:	Pressure Calibration Offset
+	Tango::DevDouble	calibrationOffset;
 
 //	Attribute data members
 public:
diff --git a/src/Vg.xmi b/src/Vg.xmi
index 372b2f524f9c2e95c6e36b0a2b792a54dd2ed9cb..cc78673b30fc11e247e1918fdfb8dbce8344cdd0 100644
--- a/src/Vg.xmi
+++ b/src/Vg.xmi
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="ASCII"?>
 <pogoDsl:PogoSystem xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:pogoDsl="http://www.esrf.fr/tango/pogo/PogoDsl">
   <classes name="Vg" pogoRevision="9.6">
-    <description description="" title="Vg" sourcePath="/home/lorenzo/src/gitlab/cs/ds/vg/src" language="Cpp" filestogenerate="XMI   file,Code files,Protected Regions" hasMandatoryProperty="false" hasConcreteProperty="true" hasAbstractCommand="false" hasAbstractAttribute="false">
+    <description description="" title="Vg" sourcePath="/home/graziano/ws/ds/vg/src" language="Cpp" filestogenerate="XMI   file,Code files,Protected Regions" hasMandatoryProperty="false" hasConcreteProperty="true" hasAbstractCommand="false" hasAbstractAttribute="false">
       <inheritances classname="Device_Impl" sourcePath=""/>
       <identification contact="at elettra.trieste.it - marco.demarco" author="marco.demarco" emailDomain="elettra.trieste.it" classFamily="Vacuum" siteSpecific="" platform="Unix Like" bus="TCP/UDP" manufacturer="none" reference=""/>
     </description>
@@ -25,6 +25,16 @@
       <status abstract="false" inherited="false" concrete="true" concreteHere="true"/>
       <DefaultPropValue>60</DefaultPropValue>
     </deviceProperties>
+    <deviceProperties name="CalibrationFactor" description="Pressure Calibration Factor">
+      <type xsi:type="pogoDsl:DoubleType"/>
+      <status abstract="false" inherited="false" concrete="true" concreteHere="true"/>
+      <DefaultPropValue>1.0</DefaultPropValue>
+    </deviceProperties>
+    <deviceProperties name="CalibrationOffset" description="Pressure Calibration Offset">
+      <type xsi:type="pogoDsl:DoubleType"/>
+      <status abstract="false" inherited="false" concrete="true" concreteHere="true"/>
+      <DefaultPropValue>0.0</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">
         <type xsi:type="pogoDsl:VoidType"/>
diff --git a/src/VgClass.cpp b/src/VgClass.cpp
index 3126cb190a7e738ae4eccd4bddf33aad2270c5a0..d1b7b365d31a056e1938d55c2d59421db2bd8050 100644
--- a/src/VgClass.cpp
+++ b/src/VgClass.cpp
@@ -291,6 +291,34 @@ void VgClass::set_default_property()
 	}
 	else
 		add_wiz_dev_prop(prop_name, prop_desc);
+	prop_name = "CalibrationFactor";
+	prop_desc = "Pressure Calibration Factor";
+	prop_def  = "1.0";
+	vect_data.clear();
+	vect_data.push_back("1.0");
+	if (prop_def.length()>0)
+	{
+		Tango::DbDatum	data(prop_name);
+		data << vect_data ;
+		dev_def_prop.push_back(data);
+		add_wiz_dev_prop(prop_name, prop_desc,  prop_def);
+	}
+	else
+		add_wiz_dev_prop(prop_name, prop_desc);
+	prop_name = "CalibrationOffset";
+	prop_desc = "Pressure Calibration Offset";
+	prop_def  = "0.0";
+	vect_data.clear();
+	vect_data.push_back("0.0");
+	if (prop_def.length()>0)
+	{
+		Tango::DbDatum	data(prop_name);
+		data << vect_data ;
+		dev_def_prop.push_back(data);
+		add_wiz_dev_prop(prop_name, prop_desc,  prop_def);
+	}
+	else
+		add_wiz_dev_prop(prop_name, prop_desc);
 }
 
 //--------------------------------------------------------