{"product_id":"zigbee-smart-water-meter-ultrasonic","title":"Zemismart มาตรวัดน้ำอัจฉริยะ Zigbee – เครื่องติดตามการใช้น้ำแบบอัลตราโซนิก สำหรับ Tuya และ Home Assistant (DN15 \/ DN20 \/ DN25)","description":"\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e this meter sends its data to the app once every 24 hours. It isn’t live, and that can’t be changed. It has no valve, so it can’t turn the water off. It needs a Tuya Zigbee hub (not included) and should be fitted by a plumber on your side of the stopcock. It’s for monitoring your own use, not a replacement for your water company’s meter.\u003c\/p\u003e\n\u003cp\u003eNeed to turn the water off remotely? See the \u003ca href=\"\/th\/products\/zigbee-smart-water-meter-with-valve\"\u003e214C smart water meter with valve\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/01-zemismart-213e-zigbee-smart-water-meter-dn15-dn20-dn25.jpg?v=1792185841\" alt=\"Zemismart 213E Zigbee smart water meter, DN15, DN20 and DN25\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eKnow how much water your home really uses\u003c\/h2\u003e\n\u003cp\u003eThe Zemismart 213E is an ultrasonic smart water meter for monitoring your own water use. It measures the flow with ultrasound instead of a spinning impeller, so there are no moving parts in the water path to wear out. It tracks total consumption, instantaneous flow rate and water temperature, then sends the data to the Tuya Smart or Smart Life app through your Zigbee hub.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/02-zigbee-ultrasonic-water-meter-ip68.jpg?v=1792185841\" alt=\"Zigbee ultrasonic water meter, IP68\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/07-smart-water-meter-water-consumption-measurement.jpg?v=1792185847\" alt=\"Smart water meter water consumption measurement\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eDaily and hourly history in the app\u003c\/h2\u003e\n\u003cp\u003eThe app stores hourly water use for the last 7 days and daily use for the last year, so you can spot patterns. For example, you’ll see when the garden hose ran all evening, or whether use creeps up overnight. The meter itself stores 730 days of daily readings and 48 months of history.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/09-smart-water-meter-tuya-app-data-display.jpg?v=1792185846\" alt=\"Smart water meter data in the Tuya app\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eAlerts for unusual conditions\u003c\/h2\u003e\n\u003cp\u003eThe meter records events such as empty pipe, reverse flow, leakage, pipe burst, overload, temperature and sensor faults, and low battery. It reports them to the app, where you’ll get a notification. Because data is sent once a day, treat these alerts as a daily check-up, not an instant leak alarm.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/10-smart-water-meter-threshold-alarms-app.jpg?v=1792185846\" alt=\"Smart water meter threshold alarms in the app\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eChoose your size\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eMeter thread\u003c\/th\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eQ3 (permanent flow)\u003c\/th\u003e\n\u003cth\u003eStarting flow\u003c\/th\u003e\n\u003cth\u003eTypical use\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eDN15\u003c\/td\u003e\n\u003ctd\u003eG¾\u003c\/td\u003e\n\u003ctd\u003e165mm\u003c\/td\u003e\n\u003ctd\u003e2.5m³\/h\u003c\/td\u003e\n\u003ctd\u003e2 L\/h\u003c\/td\u003e\n\u003ctd\u003eMost homes and flats\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDN20\u003c\/td\u003e\n\u003ctd\u003eG1\u003c\/td\u003e\n\u003ctd\u003e195mm\u003c\/td\u003e\n\u003ctd\u003e4.0m³\/h\u003c\/td\u003e\n\u003ctd\u003e2 L\/h\u003c\/td\u003e\n\u003ctd\u003eLarger homes, higher flow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDN25\u003c\/td\u003e\n\u003ctd\u003eG1¼\u003c\/td\u003e\n\u003ctd\u003e225mm\u003c\/td\u003e\n\u003ctd\u003e6.3m³\/h\u003c\/td\u003e\n\u003ctd\u003e3 L\/h\u003c\/td\u003e\n\u003ctd\u003eLarge properties, smallholdings, light commercial\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003eEach meter comes with two brass connectors and washers. Your plumber will choose the right fittings to join it to your pipework (for example 15mm or 22mm copper).\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/03-smart-water-meter-dn15.jpg?v=1792185840\" alt=\"Smart water meter, DN15\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/04-smart-water-meter-dn20.jpg?v=1792185840\" alt=\"Smart water meter, DN20\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/05-smart-water-meter-dn25.jpg?v=1792185840\" alt=\"Smart water meter, DN25\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/06-ultrasonic-water-meter-dn15-dn20-dn25-details.jpg?v=1792185840\" alt=\"Ultrasonic water meter details, DN15, DN20 and DN25\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eBattery-powered, IP68, fits horizontally or vertically\u003c\/h2\u003e\n\u003cp\u003eA built-in 3.6V lithium battery powers the meter, with a rated life of 6+ years according to the manual. There’s no wiring. The body is rated IP68, and the meter can be fitted on a horizontal or vertical pipe.\u003c\/p\u003e\n\u003ch2\u003eWorks with Home Assistant\u003c\/h2\u003e\n\u003cp\u003eZemismart states the 213E works with Home Assistant through Zigbee2MQTT, so you can add your water use to the Home Assistant Energy dashboard alongside gas and electricity.\u003c\/p\u003e\n\u003ch2\u003eEasy pairing\u003c\/h2\u003e\n\u003cp\u003eAdd the meter as a sub-device of your Tuya Zigbee hub in the app. Long-press the meter’s button to bring up the network menu and start pairing.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/08-smart-water-meter-zigbee-hub-required.jpg?v=1792185846\" alt=\"Smart water meter: Zigbee hub required\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eInstallation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFit it on a straight run of pipe, with at least 10 × the pipe diameter of straight pipe before the meter and 5 × after it, for accurate readings.\u003c\/li\u003e\n\u003cli\u003eMatch the arrow on the meter to the direction of water flow.\u003c\/li\u003e\n\u003cli\u003eFit it where air can’t collect: on a horizontal pipe, or on a vertical pipe with the water flowing upwards. Don’t fit it at a high point or on a downward-flowing pipe.\u003c\/li\u003e\n\u003cli\u003eFlush the pipe before fitting and use a strainer or filter before the meter.\u003c\/li\u003e\n\u003cli\u003eIn outdoor or unheated spaces, insulate the pipe and meter against frost.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/11-ultrasonic-water-meter-installation-conditions.jpg?v=1792185846\" alt=\"Ultrasonic water meter installation conditions\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/12-water-meter-installation-location-requirements.jpg?v=1792185846\" alt=\"Water meter installation location requirements\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eReading the display\u003c\/h2\u003e\n\u003cp\u003eThe LCD shows the total in cubic metres. Short-press the button to step through flow rate, serial number, date, diameter and error history.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/13-smart-water-meter-lcd-display-menu.jpg?v=1792185846\" alt=\"Smart water meter LCD display menu\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e213E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSizes\u003c\/td\u003e\n\u003ctd\u003eDN15, DN20, DN25\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement\u003c\/td\u003e\n\u003ctd\u003eUltrasonic (no moving parts)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy class\u003c\/td\u003e\n\u003ctd\u003eClass 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePressure stage\u003c\/td\u003e\n\u003ctd\u003eMAP16 (16 bar)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater temperature class\u003c\/td\u003e\n\u003ctd\u003eT30 \/ T50 (see the meter label)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eZigbee (Tuya Zigbee hub required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApp reporting\u003c\/td\u003e\n\u003ctd\u003eOnce every 24 hours (fixed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData stored on meter\u003c\/td\u003e\n\u003ctd\u003e730 days daily, 48 months history\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e3.6V lithium battery, rated 6+ years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eIP68\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eHorizontal or vertical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeight\u003c\/td\u003e\n\u003ctd\u003e96.5mm (DN15\/DN20), 107mm (DN25)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWidth\u003c\/td\u003e\n\u003ctd\u003e97mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/14-smart-water-meter-dn15-dimensions.jpg?v=1792185846\" alt=\"Smart water meter DN15 dimensions\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/15-smart-water-meter-dn20-dimensions.jpg?v=1792185847\" alt=\"Smart water meter DN20 dimensions\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/16-smart-water-meter-dn25-dimensions.jpg?v=1792185846\" alt=\"Smart water meter DN25 dimensions\" loading=\"lazy\" style=\"max-width:100%;height:auto;\"\u003e\u003c\/p\u003e\n\u003ch2\u003eWhat’s in the box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × ultrasonic smart water meter (in your chosen size)\u003c\/li\u003e\n\u003cli\u003e2 × brass connectors\u003c\/li\u003e\n\u003cli\u003e2 × sealing washers\u003c\/li\u003e\n\u003cli\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWorks well with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eZemismart \u003ca href=\"\/th\/products\/m1-pro-matter-zigbee-hub\"\u003eM1 Pro hub\u003c\/a\u003e, \u003ca href=\"\/th\/products\/m6-matter-zigbee-gateway-ethernet\"\u003eM6\u003c\/a\u003e or \u003ca href=\"\/th\/products\/m1-matter-zigbee-thread-hub\"\u003eM1\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/th\/products\/zigbee-energy-meter-single-phase-spm01\"\u003eZigbee energy meter (SPM01)\u003c\/a\u003e to track electricity alongside water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eUser manual\u003c\/h2\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/zemismart-213e-zigbee-smart-water-meter-dn15-dn20-dn25-user-manual.pdf?v=1792185836\" target=\"_blank\" rel=\"noopener\"\u003eDownload the 213E user manual (PDF)\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eDoes it show water use in real time?\u003c\/h3\u003e\n\u003cp\u003eNo. It sends its data to the app once every 24 hours, and this can’t be changed. The display on the meter shows the live total.\u003c\/p\u003e\n\u003ch3\u003eCan it turn off my water if there’s a leak?\u003c\/h3\u003e\n\u003cp\u003eNo. There’s no valve. It can only record and report events. For remote shut-off, see the \u003ca href=\"\/th\/products\/zigbee-smart-water-meter-with-valve\"\u003e214C smart water meter with valve\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eWill it replace my water company’s meter?\u003c\/h3\u003e\n\u003cp\u003eNo. It’s for monitoring your own use. Your water company’s meter belongs to them and mustn’t be removed or tampered with. Fit this one on your side of the stopcock.\u003c\/p\u003e\n\u003ch3\u003eCan I use it to charge tenants for water?\u003c\/h3\u003e\n\u003cp\u003eIt can help you see each flat’s use. If you plan to recharge tenants, check the rules on water resale with your water company or Ofwat first, as this isn’t a certified billing meter.\u003c\/p\u003e\n\u003ch3\u003eWhich size do I need?\u003c\/h3\u003e\n\u003cp\u003eMost UK homes with 15mm pipework need the DN15. Choose DN20 or DN25 for larger supply pipes. Your plumber can confirm.\u003c\/p\u003e\n\u003ch3\u003eHow long does the battery last?\u003c\/h3\u003e\n\u003cp\u003eThe manual rates it at 6+ years. That figure depends on use and conditions.\u003c\/p\u003e\n\u003ch3\u003eDoes it work with Home Assistant?\u003c\/h3\u003e\n\u003cp\u003eZemismart says it works through Zigbee2MQTT.\u003c\/p\u003e","brand":"Zemismart","offers":[{"title":"DN15","offer_id":67733303591221,"sku":"213E-DN15 24.1","price":120.37,"currency_code":"GBP","in_stock":true},{"title":"DN20","offer_id":67733304082741,"sku":"213E-DN20 24.1","price":132.86,"currency_code":"GBP","in_stock":true},{"title":"DN25","offer_id":67733304115509,"sku":"213E-DN25 24.1","price":156.21,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1022\/9379\/9221\/files\/01-zemismart-213e-zigbee-smart-water-meter-dn15-dn20-dn25.jpg?v=1792185841","url":"https:\/\/zemismart.store\/th\/products\/zigbee-smart-water-meter-ultrasonic","provider":"Zemismart","version":"1.0","type":"link"}