diff --git a/devices/tst.properties b/devices/tst.properties
index f8241dbd..997bc33c 100644
--- a/devices/tst.properties
+++ b/devices/tst.properties
@@ -1,5 +1,5 @@
-#Tue Mar 27 15:00:42 CEST 2018
+#Tue Mar 27 15:01:05 CEST 2018
 offset=0.0
 precision=13
-scale=1.0
+scale=1.0E12
 unit=A