? ☆ Lianyungang household water meters № of household water meters offer № domestic water meter price ★ 
 ? Home Lianyungang meter ☆ my company R & D and production of household water meter, based on RF card as media and a variety of information using the sensor in the form of input to the household water meter control CPU household water meter 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, every integer (for example, the remaining water to 4m3, 3m3, 2m3, 1m3) household water meter will automatically electric valve in its shut down, this time Users only need to purchase water into a household water meter card write "sensing zone" to sense electric valve in the home water meter can be re-open the remaining water (ie, household water meter is less than 5m3 to exhaustion during this time household water meter five times without water way to remind users to purchase water). If to the exhaustion of the remaining water in the home water meter, users do not purchase the home water meter within the water and write their home meter, the electric valve will be closed until the user to purchase water and write. In order to achieve the first to buy the water, the purpose of water ". 
 ? Information, please contact Tang cocoa 18,701,502,378 QQ 1024492555 When the home water meter and electric valve is closed in the remaining water exhausted for some reason (such as electric valve internal leakage) as well as water through household water meters, household water meter will continue to be measured , the number counted as negative values, when the users to purchase water and written to the home water meter, meter home will first be deducted the negative values ??(ie, the first overdevelopment of water), if the amount of water newly written enough deductible super water the negative values ??of electric household water meter valve open while the remain closed until the remaining water in the home 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 electric valve is opened and the home 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 of household water meter the ability to attack and limit the behavior so that it can not be infinite human attack on the domestic water meter. Produced by our company, multi-presented two of the company's trademark and warnings tamper shrink film than other household water meter for each installation, its pre-set into the take over the household water meter installed and leak testing and qualified, the anti-demolition of heat shrinkable film set in the takeover of household water meter nut, and then use the hair dryer (1600w high heat hair dryer) at the aligned anti-tamper shrink film at the blow or above 90 ℃ hot water demolition poured shrink film, shrink film, shrink to take over the shape of the nut to tight coupling. 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 domestic 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, but also and 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 for household water meter and line the standard CJ/T133-2006 home meter Standard. Defects in the development of a Huiyi brand of household water meter Introduction to household water meter is in recent years for ordinary household water meter, small flow (less than 8L / H) measured up. Ordinary household water meter due to the 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 initiating the flow of this drip household water meter is not measured to obtain the water of the water pipe-line, so that the water supply enterprises suffered losses. To solve this problem, Beijing Hui Yi has developed a household water meter pressure differential integral anti-drip, simply does not change under the advance of the household water meter movement in drip drop out of the water first accumulate when the save to a certain amount of suddenly promoting household water meter impeller rotation to achieve the purpose of drip measurement 
 ? Two, the product uses and characteristics: This series of household water meter for the total amount of the high sensitivity of flows through a water pipe 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 ; is more than 16 times the normal household water meter; 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 be in the water impurities clogged or stuck; 3, anti-slip performance: ordinary movement is the flow rate, 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 far far superior to the jet and C-level anti-drip household meter; 4, 0.5L / h to 14L / h under the micro-flow state for the intermittent measurement (as if the volume type of household water meter), and micro-flow range measurement error is small; 5, convened by the Ministry of Construction and the China Water Association, China's authoritative experts on the products and technologies to identify, 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 
 ? All the members of the Beijing Hui Yi household water meter Co., Ltd. sincerely welcome you to the Beijing Huiyi household water meter factory guidance visits!