Uni.FlowMeter nominal frequency is a parameter, ver. 3.1.1840

TBF/Rig/GenericDevices/IFlowMeter.cs

@@ -1,5 +1,5 @@
 ///
-/// Copyright (c) 2013-2018 Sensus Slovensko a.s.
+/// Copyright (c) 2013-2021 Sensus Slovensko a.s.
 ///
 using System.Collections.Generic;
 using TBF.Rig.Generic;
@@ -13,11 +13,16 @@ namespace TBF.Rig.GenericDevices
 	public interface IFlowMeter : IComponent
 	{
         /// <summary>
-        /// Nominal flow in m3/h at the maximum (2kHz) output frequency.
-        /// In case of a flowmeter couple, the sum of two nominal flows (reached at 4kHz of summed pulses).
+        /// Nominal flow in m3/h at the nominal output frequency (see below).
+        /// In case of a flowmeter couple, the sum of two nominal flows (reached at sum of nominal freq.).
         /// </summary>
         double NominalFlow { get; }
 
+        /// <summary>
+        /// Nominal frequency in Hz.
+        /// </summary>
+        double NominalFreq { get; }
+
         /// <summary>
         /// Nominal (uncorrected) volume per flowmeter pulse in [l].
         /// </summary>