Identifies long term vacancies via water meter data. His duties also included the water meter reader and census taker. The fixed part of the tariff depends on the diameter of the water meter. Installing a water meter to monitor water usage. The Water Meter Room was then also renamed as Water Source Water Meter Room. The latter integrates an electronic measurement component and a LCD with a mechanical water meter. A second gooseneck links the supply pipeline to a water meter located outside the building. A water meter can help in determining when the soil is dry. Its products include water meter setting materials, valves, couplings, meter boxes, and other fittings.