? ☆ the Qiongshan mechanical water meters offer № № Qiongshan mechanical meter the Qiongshan mechanical meter price ★ 
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 Qiongshan mechanical meter ☆: 
 Our R & D the Qiongshan mechanical meter, based on RF card as a media, a variety of information using the sensor in the form of input to Qiongshan mechanical meter control CPU, the the Qiongshan mechanical water meter purchased by the user of water automatically open the valve the water supply, when the surplus 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) when the Qiongshan mechanical meter will automatically its electric valve Close Users only need to purchase water with the written card into the Qiongshan mechanical meter sensing area to sense it can be the Qiongshan mechanical water meters within the electric valve re-open the remaining water (Qiongshan mechanical meter less than 5m3 to exhaustion this time, the the Qiongshan mechanical meter 5 times without water way to remind the user to purchase the water). To the the Qiongshan mechanical water meters within the remaining water is exhausted, users do not purchase water and write the Qiongshan mechanical water meter, electric valve will close until the user to purchase water and written to the the Qiongshan mechanical water meter within the date. In order to achieve the first to buy the water, the purpose of water ". 
 ? Qiongshan mechanical water meter is exhausted in the remaining water and electric valve is closed, for some reason (such as electric valve internal leak, etc.) water flowing through the meter Qiongshan mechanical the Qiongshan mechanical meter will continue to be measured, the the number counted as a negative value, when the users to purchase water and write Qiongshan mechanical meter, Qiongshan mechanical meter will first deduct the negative values ??(ie, the first overdevelopment of water), water newly written enough deductible super negative values ??of the water, the the Qiongshan mechanical water meter within the electric valve does not open and continue to be closed until the the Qiongshan mechanical water meters within the remaining water 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 open and the Qiongshan mechanical water meter work properly. 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 the Qiongshan mechanical water meter has been the ability to attack, but also to limit the behavior so that it can not indefinitely Qiongshan mechanical water meter man-made attack. Produced by our company, donated more than other the Qiongshan mechanical water meters for each within two printed with the Company's trademarks and warnings tamper shrink film, installation, on its pre-set into the receiver will Qiongshan mechanical water meter installed and leak testing after passing tamper shrink film set to take over in the the Qiongshan mechanical water meter nut, and then use a hair dryer (1600w high heat hair dryer) at the shrink film at the blow tamper or above 90 ℃ hot water alignment tamper Pour of shrink film, shrink film shrink while the nut take over the shape of 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 carriers, electronic 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 measurement display using electronic and LCD Dual Display does not affect the the Qiongshan mechanical verification of meter accuracy and calibration; h, the overall closed-shell design, anti-attack, waterproof, moisture, fumes, anti-knocking; i the sale of water to read and write card management unit may be used alone , but also with computer networking. 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 GB GB/T778-1996 "cold water the Qiongshan mechanical water meter and the line marked CJ/T133-2006 the Qiongshan mechanical meter" standard. 
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 ? One the Huiyi brand the Qiongshan mechanical meter Introduction to the Qiongshan mechanical meter in recent years for ordinary the Qiongshan mechanical water meter in the tiny flow (less than 8L / H) the development of non-quantified defect. Ordinary Qiongshan mechanical 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 at people can be less than the starting flow of this drip way the Qiongshan mechanical water meter is not measured to obtain water 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 the Qiongshan mechanical water meter, it simply does not change, the advance of the the Qiongshan mechanical meter movement in drip drop out of the water first accumulate, when the save suddenly promoted a certain amount of the Qiongshan mechanical meter rotating impeller to achieve the purpose of drip measurement 
 ? Two, the product uses and characteristics: This series of the Qiongshan mechanical water meters used for the total amount of the high sensitivity to flows through the tube drinking water, 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 Qiongshan mechanical meter; 2, adaptability to water quality: due to the drainage channel between the anti-drip institutions and outlet distance of 4mm, so by particles below 4mm, so anti drip institutions do not will be clogged by impurities in the water or get stuck; 3, anti-slip performance: general movement velocity, not idling, soft diaphragm can offset part of the water hammer pressure, coupled with anti-drip closure of the institution, so the anti- creep performance is far superior to the jet and C-level anti-drip the Qiongshan mechanical water meter; 4, in the 0.5L / h to 14L / h under the micro-flow state for intermittent measurement (if positive displacement the Qiongshan mechanical meter the same) and 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, and its technology has reached domestic leading 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 
 All the members? Beijing Hui Yiqiong Hill Mechanical Water Meter Co., Ltd. sincerely welcome you to Beijing Hui Yiqiong Mountain mechanical water meter factory guidance visits! 
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