An apparatus has a housing with a fluid inlet in fluid communication with a fluid flow path, and a fluid outlet. The monitor includes a controllable valve and a diverter that accommodates different types of sensors. The housing includes a dry housing interior fluidly isolated from the fluid flow path. The monitor includes a power generator configured to generate a voltage when fluid flows through the fluid flow path and at least one sensor configured to measure at least one characteristic of a fluid flowing through the fluid flow path. The monitor includes a signal generator configured to transmit signals from the power generator and from the at least one sensor to a remote processor. The power generator is configured to power both the at least one sensor and the signal generator in response to fluid flow through the fluid flow path.

An apparatus has a housing with a fluid inlet in fluid communication with a fluid flow path, and a fluid outlet. The monitor includes a controllable valve and a diverter that accommodates different types of sensors. The housing includes a dry housing interior fluidly isolated from the fluid flow path. The monitor includes a power generator configured to generate a voltage when fluid flows through the fluid flow path and at least one sensor configured to measure at least one characteristic of a fluid flowing through the fluid flow path. The monitor includes a signal generator configured to transmit signals from the power generator and from the at least one sensor to a remote processor. The power generator is configured to power both the at least one sensor and the signal generator in response to fluid flow through the fluid flow path.

A fluid flow meter is provided that generates a pulsed output to account for viscosity variations. The fluid flow meter includes a controller with a data storage that is configured to store correlations of fluid pressure, volumetric flow rate and pulse frequency for different viscosities, based on a calibration of the fluid flow meter. A pressure sensor is configured to be connected in parallel to a flow chamber of the fluid flow meter for measuring the pressure across the flow chamber.

A system is provided for determining whether a specific water appliance is malfunctioning. The system may comprise at least one processor configured to detect, from at least one sensor in a distributed water infrastructure upstream of the plurality of water appliances, a plurality of normal water usage profiles; associate at least one of the plurality of profiles with each of the plurality of appliances; detect at least one current water usage profile; and compare the at least one current profile with at least one of the stored profiles to determine a corresponding identity of an associated appliance and to determine if a deviation exists between the stored profile for the identified appliance and the at least one current profile. The deviation may be reflective of a potential malfunction in the associated appliance. The system may initiate remedial action if the deviation, reflective of a potential malfunction, is determined.

A liquid quality management device capable of being added to a liquid supply system which can supply a liquid within a storage container to a dispensing device in order to cool the liquid, and can dispense the liquid to a drinking container. The liquid quality management device includes an actual flow rate preparation unit including a flow rate sensor for determining an actual measured flow rate of the liquid; a dispensing liquid temperature sensor for measuring a temperature of the liquid dispensed into the drinking container; and a determination unit electrically connected to the actual flow rate preparation unit and the dispensing liquid temperature sensor, for determining an integrated flow rate of the liquid when the liquid temperature is equal to or higher than a set temperature, and for determining whether or not coolability of the dispensing device is suitable by comparing the integrated flow rate with a determination value.

A liquid quality management device capable of being added to a liquid supply system which can supply a liquid within a storage container to a dispensing device in order to cool the liquid, and can dispense the liquid to a drinking container. The liquid quality management device includes an actual flow rate preparation unit including a flow rate sensor for determining an actual measured flow rate of the liquid; a dispensing liquid temperature sensor for measuring a temperature of the liquid dispensed into the drinking container; and a determination unit electrically connected to the actual flow rate preparation unit and the dispensing liquid temperature sensor, for determining an integrated flow rate of the liquid when the liquid temperature is equal to or higher than a set temperature, and for determining whether or not coolability of the dispensing device is suitable by comparing the integrated flow rate with a determination value.

A computer implemented method implemented on a computer system includes non-transient memory storing instructions for configuring a plurality of district metering areas within a utility supply network. The method includes identifying a plurality of flow measurement devices, wherein each flow measurement device is connected by a directional connection to at least one other flow measurement device, generating a utility supply network representation based on the directional connections between the flow measurement devices, and generating a plurality of district metering areas for the utility supply network representation, each district metering area being a directed acyclic graph based on the directional connections and including a subset of the plurality of flow measuring devices and including at least one flow measurement device designated as a supply meter and at least one flow measurement device designated as a demand meter.

A computer implemented method implemented on a computer system includes non-transient memory storing instructions for configuring a plurality of district metering areas within a utility supply network. The method includes identifying a plurality of flow measurement devices, wherein each flow measurement device is connected by a directional connection to at least one other flow measurement device, generating a utility supply network representation based on the directional connections between the flow measurement devices, and generating a plurality of district metering areas for the utility supply network representation, each district metering area being a directed acyclic graph based on the directional connections and including a subset of the plurality of flow measuring devices and including at least one flow measurement device designated as a supply meter and at least one flow measurement device designated as a demand meter.

A utility flow meter and a method for measuring a flow of a liquid through a flow conduit having a liquid sensing arrangement, a display device, and a display mode controller for controlling the display mode. The display mode controller is configured to control the display mode based on a first display mode when the liquid presence criterion is fulfilled and a second display mode when the liquid presence criterion is not fulfilled. The first display mode consists of at least one flow representation, and the second display mode consists of at least one further representation.

A utility flow meter and a method for measuring a flow of a liquid through a flow conduit having a liquid sensing arrangement, a display device, and a display mode controller for controlling the display mode. The display mode controller is configured to control the display mode based on a first display mode when the liquid presence criterion is fulfilled and a second display mode when the liquid presence criterion is not fulfilled. The first display mode consists of at least one flow representation, and the second display mode consists of at least one further representation.