diff --git a/devices/h.properties b/devices/h.properties
index a74dc60..e0bbcd5 100644
--- a/devices/h.properties
+++ b/devices/h.properties
@@ -1,6 +1,6 @@
-#Wed Sep 26 11:36:31 CEST 2018
-maxValue=NaN
-minValue=NaN
+#Fri Oct 12 09:48:30 CEST 2018
+maxValue=1000.0
+minValue=-1000.0
 offset=0.0
 precision=3
 resolution=NaN