diff --git a/meta-facebook/meta-bletchley/recipes-phosphor/sensors/phosphor-virtual-sensor/virtual_sensor_config.json b/meta-facebook/meta-bletchley/recipes-phosphor/sensors/phosphor-virtual-sensor/virtual_sensor_config.json
index 981d3f5..b2fcf08 100644
--- a/meta-facebook/meta-bletchley/recipes-phosphor/sensors/phosphor-virtual-sensor/virtual_sensor_config.json
+++ b/meta-facebook/meta-bletchley/recipes-phosphor/sensors/phosphor-virtual-sensor/virtual_sensor_config.json
@@ -123,6 +123,22 @@
                 }
             ]
         },
-        "Expression": "var PWR[9]:={71.786,130.828,193.845,255.12,315.468,374.183,427.233,486.983,545.588};var ERR[9]:={0.1002,0.04141,0.04927,0.05102,0.05308,0.05359,0.04437,0.05245,0.06011};switch { case HSC_PWR<PWR[0]:HSC_PWR/(1+ERR[0]);case inrange(PWR[0],HSC_PWR,PWR[1]) : HSC_PWR/(1+ERR[0]+(HSC_PWR-PWR[0])*(ERR[1]-ERR[0])/(PWR[1]-PWR[0]));case inrange(PWR[1],HSC_PWR,PWR[2]) : HSC_PWR/(1+ERR[1]+(HSC_PWR-PWR[1])*(ERR[2]-ERR[1])/(PWR[2]-PWR[1]));case inrange(PWR[2],HSC_PWR,PWR[3]) : HSC_PWR/(1+ERR[2]+(HSC_PWR-PWR[2])*(ERR[3]-ERR[2])/(PWR[3]-PWR[2]));case inrange(PWR[3],HSC_PWR,PWR[4]) : HSC_PWR/(1+ERR[3]+(HSC_PWR-PWR[3])*(ERR[4]-ERR[3])/(PWR[4]-PWR[3]));case inrange(PWR[4],HSC_PWR,PWR[5]) : HSC_PWR/(1+ERR[4]+(HSC_PWR-PWR[4])*(ERR[5]-ERR[4])/(PWR[5]-PWR[4]));case inrange(PWR[5],HSC_PWR,PWR[6]) : HSC_PWR/(1+ERR[5]+(HSC_PWR-PWR[5])*(ERR[6]-ERR[5])/(PWR[6]-PWR[5]));case inrange(PWR[6],HSC_PWR,PWR[7]) : HSC_PWR/(1+ERR[6]+(HSC_PWR-PWR[6])*(ERR[7]-ERR[6])/(PWR[7]-PWR[6]));case inrange(PWR[7],HSC_PWR,PWR[8]) : HSC_PWR/(1+ERR[7]+(HSC_PWR-PWR[7])*(ERR[8]-ERR[7])/(PWR[8]-PWR[7]));default : HSC_PWR/(1+ERR[8]);}"
+        "Expression":
+        [
+            "var PWR[9]:={68.082,131.899,194.753,256.391,316.721,376.108,433.569,490.850,546.187};",
+            "var ERR[9]:={0.0425,0.0497,0.0537,0.0555,0.0565,0.0577,0.0587,0.0597,0.0603};",
+            "switch {",
+                "case HSC_PWR<PWR[0]:HSC_PWR/(1+ERR[0]);",
+                "case inrange(PWR[0],HSC_PWR,PWR[1]) : HSC_PWR/(1+ERR[0]+(HSC_PWR-PWR[0])*(ERR[1]-ERR[0])/(PWR[1]-PWR[0]));",
+                "case inrange(PWR[1],HSC_PWR,PWR[2]) : HSC_PWR/(1+ERR[1]+(HSC_PWR-PWR[1])*(ERR[2]-ERR[1])/(PWR[2]-PWR[1]));",
+                "case inrange(PWR[2],HSC_PWR,PWR[3]) : HSC_PWR/(1+ERR[2]+(HSC_PWR-PWR[2])*(ERR[3]-ERR[2])/(PWR[3]-PWR[2]));",
+                "case inrange(PWR[3],HSC_PWR,PWR[4]) : HSC_PWR/(1+ERR[3]+(HSC_PWR-PWR[3])*(ERR[4]-ERR[3])/(PWR[4]-PWR[3]));",
+                "case inrange(PWR[4],HSC_PWR,PWR[5]) : HSC_PWR/(1+ERR[4]+(HSC_PWR-PWR[4])*(ERR[5]-ERR[4])/(PWR[5]-PWR[4]));",
+                "case inrange(PWR[5],HSC_PWR,PWR[6]) : HSC_PWR/(1+ERR[5]+(HSC_PWR-PWR[5])*(ERR[6]-ERR[5])/(PWR[6]-PWR[5]));",
+                "case inrange(PWR[6],HSC_PWR,PWR[7]) : HSC_PWR/(1+ERR[6]+(HSC_PWR-PWR[6])*(ERR[7]-ERR[6])/(PWR[7]-PWR[6]));",
+                "case inrange(PWR[7],HSC_PWR,PWR[8]) : HSC_PWR/(1+ERR[7]+(HSC_PWR-PWR[7])*(ERR[8]-ERR[7])/(PWR[8]-PWR[7]));",
+                "default : HSC_PWR/(1+ERR[8]);",
+            "}"
+        ]
     }
 ]