diff --git a/pgns/127505.js b/pgns/127505.js
index 8b1d784..08f92c2 100644
--- a/pgns/127505.js
+++ b/pgns/127505.js
@@ -9,7 +9,10 @@ module.exports = [
         '.currentLevel'
       )
     },
-    source: 'Level'
+    value: function (n2k) {
+      var ratio100 = Number(n2k.fields['Level'])
+      return ratio100 / 100
+    }
   },
   {
     node: function (n2k) {
diff --git a/pgns/130311.js b/pgns/130311.js
index 69aa80c..1119dfc 100644
--- a/pgns/130311.js
+++ b/pgns/130311.js
@@ -19,7 +19,13 @@ module.exports = [
         '.humidity'
       )
     },
-    source: 'Humidity'
+    filter: function (n2k) {
+      return typeof n2k.fields['Humidity'] !== 'undefined'
+    },
+    value: function (n2k) {
+      var ratio100 = Number(n2k.fields['Humidity'])
+      return ratio100 / 100
+    }
   },
   {
     node: 'environment.outside.pressure',
diff --git a/test/127505_fluid_level.js b/test/127505_fluid_level.js
index 4bbc0ce..95b6d61 100644
--- a/test/127505_fluid_level.js
+++ b/test/127505_fluid_level.js
@@ -10,7 +10,7 @@ describe('127505 fuel', function () {
         '{"timestamp":"2015-01-15-16:15:30.984Z","prio":"6","src":"17","dst":"255","pgn":"127505","description":"Fluid Level","fields":{"Instance":"0","Type":"Fuel","Level":"131.068"}}'
       )
     )
-    tree.should.have.nested.property('tanks.fuel.0.currentLevel.value', 131.068)
+    tree.should.have.nested.property('tanks.fuel.0.currentLevel.value', 1.31068)
     tree.should.be.validSignalKVesselIgnoringIdentity
   })
   it('level and capacity', function () {
@@ -19,7 +19,7 @@ describe('127505 fuel', function () {
         '{"timestamp":"2015-01-15-16:15:33.341Z","prio":"6","src":"112","dst":"255","pgn":"127505","description":"Fluid Level","fields":{"Instance":"1","Type":"Fuel","Level":"64.284","Capacity":"41.6"}}'
       )
     )
-    tree.should.have.nested.property('tanks.fuel.1.currentLevel.value', 64.284)
+    tree.tanks.fuel['1'].currentLevel.value.should.be.closeTo(0.64284, 0.000005)
     tree.should.have.nested.property('tanks.fuel.1.capacity.value', 41.6)
     tree.should.be.validSignalKVesselIgnoringIdentity
   })
@@ -32,9 +32,9 @@ describe('127505 water', function () {
         '{"timestamp":"2015-01-15-16:15:33.366Z","prio":"6","src":"114","dst":"255","pgn":"127505","description":"Fluid Level","fields":{"Instance":"0","Type":"Water","Level":"88.596","Capacity":"71.9"}}'
       )
     )
-    tree.should.have.nested.property(
-      'tanks.freshWater.0.currentLevel.value',
-      88.596
+    tree.tanks.freshWater['0'].currentLevel.value.should.be.closeTo(
+      0.88596,
+      0.000005
     )
     tree.should.have.nested.property('tanks.freshWater.0.capacity.value', 71.9)
     tree.should.be.validSignalKVesselIgnoringIdentity
@@ -50,7 +50,7 @@ describe('127505 grayWater', function () {
     )
     tree.should.have.nested.property(
       'tanks.wasteWater.0.currentLevel.value',
-      90.24
+      0.9024
     )
     tree.should.have.nested.property('tanks.wasteWater.0.capacity.value', 37.9)
     tree.should.be.validSignalKVesselIgnoringIdentity