diff --git a/devices/tst.properties b/devices/tst.properties
index 0f6b45ef..ff944578 100644
--- a/devices/tst.properties
+++ b/devices/tst.properties
@@ -1,5 +1,5 @@
-#Tue Mar 27 15:02:59 CEST 2018
-offset=10.0
+#Tue Mar 27 15:03:24 CEST 2018
+offset=0.0
 precision=5
 scale=1.0E12
 unit=A