Index: firmware/App/Controllers/DialInFlow.h
===================================================================
diff -u -r9b262ba08e3180f121c3cf19d8d25e565183f87d -r054fa08b67ed2a31f7848b179fbcd1b4da501b0f
--- firmware/App/Controllers/DialInFlow.h	(.../DialInFlow.h)	(revision 9b262ba08e3180f121c3cf19d8d25e565183f87d)
+++ firmware/App/Controllers/DialInFlow.h	(.../DialInFlow.h)	(revision 054fa08b67ed2a31f7848b179fbcd1b4da501b0f)
@@ -21,6 +21,8 @@
 
 // ********** public definitions **********
 
+#define MAX_DIAL_IN_FLOW_RATE                 600             // mL/min
+#define MIN_DIAL_IN_FLOW_RATE                 100             // mL/min
 
 // ********** public function prototypes **********