Index: firmware/App/Controllers/DialOutFlow.c
===================================================================
diff -u -ra74a66caeda4a3a9b831d9f7c698553fa6fa0882 -r1ebbe403d260d9f65695c13d6dbafbe1a93cfdde
--- firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision a74a66caeda4a3a9b831d9f7c698553fa6fa0882)
+++ firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision 1ebbe403d260d9f65695c13d6dbafbe1a93cfdde)
@@ -93,7 +93,7 @@
 
 
 /*** setDialOutFlowRxTotalVolumeAndRxTime ***/
-#define DOP_REV_PER_LITER                       150.0           ///< Rotor revolutions per liter.
+#define DOP_REV_PER_LITER                       144.7           ///< Rotor revolutions per liter.
 #define DOP_ML_PER_MIN_TO_PUMP_RPM_FACTOR       ( DOP_REV_PER_LITER / ML_PER_LITER )   ///< Conversion factor from mL/min to pump motor RPM.
 #define DOP_GEAR_RATIO                          32.0            ///< Pump motor to pump gear ratio.
 #define DOP_PWM_ZERO_OFFSET                     0.1             ///< 10% PWM duty cycle = zero speed.