Inštalačné prostredie je veľmi dôležité. Ktorý bezdrôtový diaľkový vodomer si vyberiete?
With the support of national policies and the needs of users, the transformation from mechanical water meters to wireless remote water meters is gradually changing. Compared with the installation environment of new residential areas, the renovation of old areas is slightly worse. In limited locations, the installation environment will have some problems. Underground wells, stairwells, and basements, where the installation environment of the basement is complex. For wireless remote water meters, the problem of signal acquisition is an important element. Whether the basement has network coverage, whether it is a 2G, 3G or 4G network, this involves The cost of use and the commissioning work after the construction is completed, the old area is alternately distributed between building units and retail households, such a complex situation should be carefully considered by the designer when selecting instruments.
Today we have sorted out several wireless remote water meters, which can be selected by designers and constructors:
The wireless remote water meter (Lora) is suitable for the intelligent management of water supply companies, which is convenient for remote meter reading and real-time control. The system is based on LoRa communication technology and adopts a simple star-shaped network structure, with small communication delay, long transmission distance and reliable; water meter intermittent work design, ultra-low power consumption wide area network technology, the average quiescent current is less than 20uA, and the product is guaranteed to be used for more than 6 years; LoRa Wireless direct-sequence spread spectrum technology, stable communication, long distance, multi-layer encryption of transmission data to ensure data security; automatic synchronization of communication time units, frequency modulation technology to avoid co-channel interference and improve transmission reliability, transmission rate and transmission distance are adaptive Algorithm, effectively improve system capacity; mobile WeChat applet: login, usage inquiry, online payment.
The wireless remote water meter (NB-IoT) is suitable for the water supply company to realize the terminal object management, to collect, analyze and process a huge amount of water information, so as to improve the operation efficiency of the water company. Protection class: IP68, suitable for various complex environments; long life: service life Greater than or equal to 10 years; flexible setting of upload frequency: data upload cycle can be set to meet different user management needs; alarm management: battery undervoltage, magnetic interference, valve failure ;Large-capacity storage: can freeze up to 24 months of monthly data and 31 days of daily frozen data; the system adopts B/S architecture: browser login, both PC and mobile terminals can be supported, no need to install a client; built-in antenna : The signal is stable and reliable, and can achieve full coverage without blind spots.
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