{"id":2648,"date":"2025-09-30T08:02:08","date_gmt":"2025-09-30T08:02:08","guid":{"rendered":"https:\/\/jrhmeter.com\/?post_type=product&#038;p=2648"},"modified":"2026-06-09T06:44:36","modified_gmt":"2026-06-09T06:44:36","slug":"nb-iot-direct-reading-remote-water-meter-dn15dn25","status":"publish","type":"product","link":"https:\/\/jrhmeter.com\/ar\/product\/nb-iot-direct-reading-remote-water-meter-dn15dn25\/","title":{"rendered":"\u0639\u062f\u0627\u062f \u0627\u0644\u0645\u064a\u0627\u0647 \u0628\u0627\u0644\u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0645\u0628\u0627\u0634\u0631\u0629 \u0639\u0646 \u0628\u064f\u0639\u062f NB-IoT (DN15 ~ DN25)"},"content":{"rendered":"<h2><strong>\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/strong><\/h2>\n<ul>\n<li>Adopting telecom industrial grade SIM card (patch type), anti vibration (20HZ~2000HZ), read and write frequency (20000 times);<\/li>\n<li>Remote reading: Proactively report readings on a periodic basis;<\/li>\n<li>Prepaid: Supports prepaid and pre order quantities;<\/li>\n<li>Warning system: Alarm prompts such as battery undervoltage, abnormal measurement, and prepaid usage reaching threshold;<\/li>\n<li>Different emergency water usage can be set according to different users;<\/li>\n<li>Water pricing: Water pricing can be set at different benchmark prices and prices based on user categories and usage;<\/li>\n<li>Ultra long life battery: Standard ER26500 battery+SPC1520 battery capacitor combination power supply for more than 6 years;<\/li>\n<li>Internal\/External Antennas: Supports internal\/external antennas, stable and reliable signals, full coverage without blind spots;<\/li>\n<li>Adopting a low-power design, the chip automatically wakes up and enters sleep mode after reporting data, energy- efficient.<\/li>\n<\/ul>\n<h2><\/h2>\n<h2><strong>Main Parameter<\/strong><\/h2>\n<table style=\"width: 100%; border-collapse: collapse; border-color: #e6e6e6;\" border=\"1\">\n<tbody>\n<tr>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">Category<\/td>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">\u0627\u0644\u0645\u0639\u0644\u0645\u0629<\/td>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">Category<\/td>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">\u0627\u0644\u0645\u0639\u0644\u0645\u0629<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">Whole machine\u00a0 power consumption<\/td>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">Average current \u2264 3uA in non meter reading state<\/td>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">Support the protocol<\/td>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">CJ\/T188-2004<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">Input voltage<\/td>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">3.6V<\/td>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">Installation environment<\/td>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">E1 Class B<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">Working temperature<\/td>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">5\u2103-70\u2103<\/td>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">Frequency range<\/td>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">NB-loT(B3\/B5\/B8)<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">IP Grade<\/td>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">IP68<\/td>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">Battery life<\/td>\n<td style=\"width: 25%; text-align: center; vertical-align: middle;\">6 years (reported once a day)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><strong>Technical Parameter<\/strong><\/h2>\n<table style=\"width: 100%; border-collapse: collapse; border-color: #e6e6e6;\" border=\"1\">\n<tbody>\n<tr style=\"height: 48px;\">\n<td style=\"width: 25%; height: 48px; text-align: center; vertical-align: middle;\">Nominal diameter (mm)<\/td>\n<td style=\"width: 25%; height: 48px; text-align: center; vertical-align: middle;\">DN15<\/td>\n<td style=\"width: 25%; height: 48px; text-align: center; vertical-align: middle;\">DN20<\/td>\n<td style=\"width: 25%; height: 48px; text-align: center; vertical-align: middle;\">DN25<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">Length(mm)<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">165mm<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">195mm<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">225mm<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">Connecting thread D<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">G1\/4B<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">G1B<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">G11\/4B<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">Overload flow Q4(m\/h)<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">3.125m\u00b3\/h<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">5m\u00b3\/h<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">7.875m\u00b3\/h<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">Common flow Q3(m\/h)<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">2.5m\u00b3\/h<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">4m\u00b3\/h<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">6.3m\u00b3\/h<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">Boundary flow Q2(m\/h)<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">0.04m\u00b3\/h<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">0.064m\u00b3\/h<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">0.1008\u00b3\/h<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">Minimum flow Q1(m\u00b3\/h)<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">0.025m\u00b3\/h<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">0.04m\u00b3\/h<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">0.063m\u00b3\/h<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">Q3\/Q1<\/td>\n<td style=\"width: 75%; height: 24px; text-align: center; vertical-align: middle;\" colspan=\"3\">80\u3001100\u3001160<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">Working pressure<\/td>\n<td style=\"width: 75%; height: 24px; text-align: center; vertical-align: middle;\" colspan=\"3\">\u22641.0MPa<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">Pressure loss level<\/td>\n<td style=\"width: 75%; height: 24px; text-align: center; vertical-align: middle;\" colspan=\"3\">\u25b3P63<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">Temperature level<\/td>\n<td style=\"width: 75%; height: 24px; text-align: center; vertical-align: middle;\" colspan=\"3\">T30(cold water),T90 (hot water)<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">Relative humidity of the environment<\/td>\n<td style=\"width: 75%; height: 24px; text-align: center; vertical-align: middle;\" colspan=\"3\">\u226493%<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\">Dielectric strength<\/td>\n<td style=\"width: 25%; height: 24px; text-align: center; vertical-align: middle;\" colspan=\"3\">5000V<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction<\/p>\n<p>NB IoT IoT water meter is an intelligent water meter used for remote meter reading and control. It communicates remotely with servers through narrowband IoT, eliminating the need for intermediate transmission devices such as<\/p>\n<p>collectors or concentrators, simplifying equipment installation and debugging work, and achieving automatic remote meter reading of water meter usage. While saving manpower, material resources, and financial resources, it effectively improves production efficiency.<\/p>","protected":false},"featured_media":2657,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[33,54],"product_tag":[],"class_list":{"0":"post-2648","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-smart-water-meter","7":"product_cat-nb-iot-water-meter","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/jrhmeter.com\/ar\/wp-json\/wp\/v2\/product\/2648","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jrhmeter.com\/ar\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/jrhmeter.com\/ar\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/jrhmeter.com\/ar\/wp-json\/wp\/v2\/comments?post=2648"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jrhmeter.com\/ar\/wp-json\/wp\/v2\/media\/2657"}],"wp:attachment":[{"href":"https:\/\/jrhmeter.com\/ar\/wp-json\/wp\/v2\/media?parent=2648"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/jrhmeter.com\/ar\/wp-json\/wp\/v2\/product_brand?post=2648"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/jrhmeter.com\/ar\/wp-json\/wp\/v2\/product_cat?post=2648"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/jrhmeter.com\/ar\/wp-json\/wp\/v2\/product_tag?post=2648"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}