? ☆ Shanxi offer № water meter № Shanxi water meter of water meter, price ★ 
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 Shanxi water meter ☆: 
 My company R & D and production of water meter, RF card as the media will be all kinds of information in the form of an induction input to the control CPU of the water meter in Shanxi, Shanxi water meter the amount of water purchased by the user automatically open the valve the water supply when the remaining water to less than 5m3 (including 5m3) but have not yet exhausted, and every integer (for example, the remaining water to 4m3, 3m3, 2m3, 1m3) Shanxi water meter will automatically power within its valve closed, the user only with the purchase of water into the water meter in Shanxi write card sensing area to sense what to re-open the electric valve in the water meter within Shanxi (Shanxi water meter within the remaining water is less than 5m3 to the exhaustion of this period of time, Shanxi water meter five times without water way to remind users to purchase water). To the exhaustion of the remaining water in the water meter within Shanxi, less than the purchase of water to and write Shanxi water meter, electric valve will be closed until the user to purchase water and write Shanxi water meter within the date. In order to achieve the first to buy the water, the purpose of water ". 
 ? Shanxi water meter is exhausted in the remaining water and electric valve is closed, for some reason (such as electric valve internal leakage) flow through the Shanxi water meter, Shanxi water meter will continue to be measured, the number counted as negative values ??when the user re-purchase of water and write Shanxi water meter, Shanxi water meter will first be less negative values ??(ie, the first also super water), if water is not enough deductible newly written negative values ??of super-water Shanxi water meter, electric valve does not open and continue to be closed until the remaining water in Shanxi's water meter is positive so far. When the Company suffered such as magnetic and other external attacks, within one minute inside the electric valve shut down. At this point, the user can be induced to purchase water card to (sensing area), you can own the electric valve to open and work properly, Shanxi water meter. However, if such an attack accumulated more than 10 times more users to purchase water card will no longer be able to open its electric valve (in case the user man-made attack), high a check card (water management The department only holds) to the electric valve is opened, the same time attack record clear (after the user configuration of the water cards but also because of the attack and then open the 10th). Enabling it to achieve self-lifting of Shanxi water meter attack ability, but also limit that it can not indefinitely Shanxi water meter man-made attack behavior. The Company produced more than other Shanxi water meter for each presented two of the company's trademark and warnings tamper shrink film, installation, pre-set into to take over Shanxi water meter installation completed and leak testing and qualified, tamper heat shrinkable film of water meter, took over the nut, then use the hair dryer (1600w high heat hair dryer) at the tamper shrink film at blowing or above 90 ℃ hot water alignment tamper Pour of shrink film, shrink film, shrink to take over the shape of the nut to the hoop tight. To split the table must be tamper destruction of heat shrinkable film, thus preventing the artificially split the table for the purpose of stealing water. In addition to the above characteristics, the product, the following characteristics: (a) non-contact (RF card) information carrier, no mechanical wear, fast transmission of information, confidentiality and anti-attack performance, high reliability; (b) with LCD display the total quantities of water purchased, and the remaining water and all kinds of information; when the remaining water is zero or alarm value, automatically close the valve without water; d the entire system is usually in the off state, static power consumption is zero; (e) electric control valve patented electric valve to completely overcome the electromagnetic valve interference and shutdown lax defects; f unique anti-theft of water, tamper table, anti-reversal device; g metering display by mechanical and LCD Dual Display , which does not affect the Shanxi water meter accuracy test and calibration; h. overall closed-shell design, anti-attack, waterproof, moisture, fumes, anti-knocking; i read and write cards of the sale of water management unit may be used alone, can also use the computer network. The company produces technical parameters are as follows: Working power supply: two 3.6V lithium battery, the working life of 8-10 years; (b) usually work current: 0A; c instantaneous operating current :1-5MA; d. RF card Life time:> 100 000; (e) Working pressure: 1MPa below normal work; (f) the operating temperature range (temperature) :0.3-40 ° C; g. the whole life of 8-10 years. This product complies with the standards of GB GB/T778-1996 cold water Shanxi water meter and the line marked CJ/T133-2006 "Shanxi water meter". 
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 ? A Huiyi brand water meter in Shanxi About Shanxi water meter in recent years for ordinary the Shanxi tap water meter in the tiny flow (less than 8L / H) the development of non-quantified defect. Ordinary Shanxi water meter due to movement of the rotating parts and count the gear inertia, so in the measurement process if the water flow to a certain extent will not be able to promote the movement of the impeller and counter gear, thus the micro flow can not be measured, people can be less than the starting flow of this drip Shanxi water meter is not metering to obtain water of the RF tube online, so that the water supply enterprises suffered losses. To solve this problem, Beijing Hui Yi has developed a differential pressure integral anti-drip of water meter, and it simply is not changed in advance of the Shanxi water meter movement in drip drop out of the water first accumulate, save to a certain amount of suddenly promote Shanxi water meter impeller rotation to achieve the purpose of drip measurement 
 ? Two, the product uses and characteristics: This series of water meter, the total amount flowing through the RF pipe drinking water for high sensitivity, its main features are as follows: 1, the smaller the initial flow rate, the initial flow rate of less than 0.5L / h; more than 16 times the ordinary Shanxi water meter; 2, adaptability to water quality: the anti-drip institutions and outlet of the drainage channel distance of 4mm, by particles below 4mm, so that the anti-drip institutions will not impurities in the water is clogged or stuck; 3, anti-slip performance: ordinary movement velocity, not idling, soft diaphragm can offset part of the water hammer pressure, coupled with anti-drip institutions closed, so the anti-submarine dynamic performance far superior to the jet and C-level anti-drip the Shanxi tap water meter; 4, 0.5L / h to 14L / h under the micro-flow state for the intermittent measurement (like displacement of Shanxi water meter), and this micro-flow range measurement error is small; authoritative experts, convened by the Ministry of Construction and the China Water Association, our identification of the products and technologies, its technology has reached the leading domestic level. Can guarantee the normal work for more than 10 years of anti-drip institutions. Conditions of use: the work of the water temperature does not exceed 40 ℃, working pressure is not greater than 1Mpa. Four, show error: less than the minimum flow (Qmin) of the trace does not count; from including minimum flow (Qmin) to but excluding the boundaries of flow (Qt) of low district: ± 5%; from including the boundaries of flow (the Qt) to include overload In the upper zone of the flow (Qmax): ± 2%. Pressure loss: △ ≤ 0.1Mpa 
 ?, Huiyi Shanxi, Beijing tap water all the members of the Water Meter Co., Ltd. sincerely welcome you to Beijing the Huiyi Shanxi water meter factory guidance visits! 
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