U-GR4_Residential Ultrasonic Gas Meter_GAS_Product

/(.*?)<\/title>/i <hr> Viewshine U-GR4 is a cutting-edge intelligent ultrasonic gas meter equipped with NB-IoT wireless communication modules and an integrated shutoff valve. </div> </div> </div> </div> <div class="container clearfix product-intru">  <div>  <ul class="nav nav-tabs" role="tablist"> <li role="presentation" class="active"><a href="#home" aria-controls="home" role="tab" data-toggle="tab">Description</a></li> <li role="presentation"><a href="#profile" aria-controls="profile" role="tab" data-toggle="tab">Technical Parameters</a></li> <li role="presentation"><a href="#messages" aria-controls="messages" role="tab" data-toggle="tab">Dimension</a></li> <li role="presentation"><a href="#settings" aria-controls="settings" role="tab" data-toggle="tab">Other</a></li> </ul>  <div class="tab-content"> <div role="tabpanel" class="tab-pane active" id="home"> OverviewViewshine U-GR4 is a cutting-edge intelligent ultrasonic gas meter equipped with NB-IoT wireless communication modules and an integrated shutoff valve. With an extended measuring range from 0.016 to 6m³/h, the U-GR4 boasts remarkable precision thanks to its highly sensitive ultrasonic sensor. No-moving parts, full electronic measurement and temperature compensation drive all combine to give long term stability in this meter service life. Main Features<ul class=" list-paddingleft-2" style="list-style-type: disc;"><li> High Measurement Stability and Accuracy</li><li> Temperature Compensation</li><li> Pressure Compensation</li><li> Internal Shut-off Valve</li><li> Extended Measuring Range</li><li> LCD Display</li></ul> </div> <div role="tabpanel" class="tab-pane" id="profile"> <table cellspacing="0" width="661" align="center"><tbody><tr style="height: 26px" class="firstRow"><td width="253" valign="center" style="padding: 0px 7px; border-width: 1px; border-color: windowtext;">Parameters</td><td width="65" valign="center" style="padding: 0px 7px; border-width: 1px; border-color: windowtext;">Unit</td><td width="86" valign="center" style="padding: 0px 7px; border-width: 1px; border-color: windowtext;">G1.6</td><td width="76" valign="center" style="padding: 0px 7px; border-width: 1px; border-color: windowtext;">G2.5</td><td width="88" valign="center" style="padding: 0px 7px; border-width: 1px; border-color: windowtext;">G4</td><td width="93" valign="center" style="padding: 0px 7px; border-width: 1px; border-color: windowtext;">G4.0+</td></tr><tr style="height: 20px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Nominal Measured Flow Qnom</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">m³/h</td><td width="86" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">1.6</td><td width="76" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">2.5</td><td width="88" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">4.0</td><td width="93" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">1.6/2.5/4.0</td></tr><tr style="height: 25px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Maximum Measured Flow Qmax</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">m³/h</td><td width="86" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">2.5</td><td width="76" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">4</td><td width="88" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">6.0</td><td width="93" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">6.0</td></tr><tr style="height: 21px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">MinimumMeasured Flow Qmin</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">m³/h</td><td width="86" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">0.016</td><td width="76" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">0.025</td><td width="88" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">0.040</td><td width="93" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">0.016</td></tr><tr style="height: 26px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Lowest Flow Rate Qstart</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">m³/h</td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">0.004</td></tr><tr style="height: 55px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Error- Qmin ≤ Q < 0,1Qmax- 0,1Qmax ≤ Q ≤ Qmax</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">%</td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">± 3.0± 1.5</td></tr><tr style="height: 26px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Maximum Working Pressure Pmax</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">kPa</td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">≤10</td></tr><tr style="height: 26px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Pressure Loss at Qmax</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Pa</td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">≤250</td></tr><tr style="height: 27px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Ambient Temperature tm</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">°С</td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">-25 to +55</td></tr><tr style="height: 26px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Storage Temperature</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">°С</td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">-25 to +55</td></tr><tr style="height: 26px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Humidity</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">%</td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">≤95%</td></tr><tr style="height: 26px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Power Supply</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Li Battery</td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">10 Years Design Life10 Years Metrological Battery</td></tr><tr style="height: 26px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">In- and Outlet Pipe Screw</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Inch</td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">M30*2</td></tr><tr style="height: 26px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Distance Between Inlet and Outlet</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">mm</td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">130</td></tr><tr style="height: 26px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Protection Level</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Class</td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">IP54</td></tr><tr style="height: 26px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Overall Dimensions</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">mm</td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">207* 113*142mm</td></tr><tr style="height: 26px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Medium</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"> </td><td width="342" valign="top" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">NG</td></tr><tr style="height: 26px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Mechanical Environment</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Class</td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">M1</td></tr><tr style="height: 26px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Electronical Environment</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Class</td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">E2</td></tr><tr style="height: 26px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Communication</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"> </td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">NB-IoT</td></tr><tr style="height: 26px"><td width="253" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Material of Meter Body</td><td width="65" valign="center" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;"> </td><td width="342" valign="center" colspan="4" style="padding: 0px 7px; border-left-width: 1px; border-left-color: windowtext; border-right-width: 1px; border-right-color: windowtext; border-top: none; border-bottom-width: 1px; border-bottom-color: windowtext;">Steel</td></tr></tbody></table> </div> <div role="tabpanel" class="tab-pane" id="messages"> <img id="caaac41d8edbe53a1a93c227c4fe2a91_img_2803" src="https://en.viewshine.cn/uploadfile/ueditor/image/20231119/1700383723692608.jpg" title="1700383723692608.jpg" alt="图片2.jpg"/> </div> <div role="tabpanel" class="tab-pane" id="settings"> </div> </div> </div> </div>  <footer> <div class="container"> <div class="line1 pbt3 clearfix"> <div class="fcol fid1"> <h5 class="ptb1">About Us</h5> <a href="/index.php?c=category&id=2">Brand Story</a> <a href="/index.php?c=category&id=4">Value Concept</a> <a href="/index.php?c=category&id=6">Social Activity</a> </div> <div class="fcol fid53"> <h5 class="ptb1">Product</h5> <a href="/index.php?c=category&id=76">WATER</a> <a href="/index.php?c=category&id=77">GAS</a> <a href="/index.php?c=category&id=78">Software</a> <a href="/index.php?c=category&id=79">Auxiliary Device</a> </div> <div class="fcol fid14"> <h5 class="ptb1">Solution</h5> <a href="/index.php?c=category&id=102">Gas Solution</a> <a href="/index.php?c=category&id=122">Water Solution</a> </div> <div class="fcol fid34"> <h5 class="ptb1">Support</h5> <a href="/index.php?c=category&id=111">FAQ</a> </div> <div class="fcol fid45"> <h5 class="ptb1">News</h5> <a href="/index.php?c=category&id=115">Company News</a> </div> <div class="fcol fid48"> <h5 class="ptb1">Contact</h5> <a href="/index.php?c=category&id=50">Contact Us</a> </div> <div class="fcol fid51"> <h5 class="ptb1">投资者关系</h5> <a href="/index.php?c=category&id=38" >定期报告</a> <a href="/index.php?c=api&m=weixing&nminutes_1=分时" >公司公告</a> <a href="/index.php?c=api&m=weixing&nminutes_1=分时">投资者交流</a> </div>          <div class="fcol"> <h5 class="ptb1">联系我们</h5> <a href="">+86 571 88179018</a> <a href="">sales@viewshine.com.cn</a> <img src="https://en.viewshine.cn/uploadfile/201909/32031a0e4b.png" style="margin-top:5px;">官方微信 <div class="icon-group"> <a href="https://www.facebook.com"> </a> <a href="https://twitter.com"> </a> <a href="https://www.weibo.com"> </a> <a href="https://qzone.qq.com/"> </a> </div> </div> </div> </div> <hr class="hr"> <div class="ftbtm text-center ptb1"> Copyright 2026 Viewshine Ltd. 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