gas or electricity usually boils down to measuring a repetitive pulse signal with respect to time. To make things easy, most modern utility meters have a pulsed LED output, which can be used to ...

gas or electricity usually boils down to measuring a repetitive pulse signal with respect to time. To make things easy, most modern utility meters have a pulsed LED output, which can be used to ...

Example of a smart gas meter. A common characteristic of these ... Power-amplifier transmission current pulse. Powering the PA A 3.5-V, D-cell lithium-thionyl-chloride battery can be used to ...

The sensor and electronics configuration of the meter allows high pulse transmission rates. The signal propagation time measurement provides a fast integration of the gas flow velocity so that ...