
Wired Photoelectric Direct-Reading Water Meter
Direct reading of the mechanical register through a wired interface.
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Chengde Longzhida Intelligent Instrument Technology Co., Ltd.

Remote-reading ultrasonic meter for water-volume measurement.
Longzhida describes an ultrasonic water meter for measuring the volume passing through a water-supply pipe. The page discusses remote reporting and publishes flow figures by nominal diameter. Those size-specific values should be used for selection rather than transferred between models; communication hardware, battery arrangement and meter connections require confirmation for the ordered version.
Chengde Longzhida Intelligent Instrument Technology Co., Ltd. · Chengde, Hebei
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Source reviewed: 2026-11-08. This directory summary organises the supplier’s published product information.
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Direct reading of the mechanical register through a wired interface.
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