{"id":3107,"date":"2022-04-21T14:49:30","date_gmt":"2022-04-21T06:49:30","guid":{"rendered":"https:\/\/www.hginstrument.com\/?p=3107"},"modified":"2022-04-21T14:49:30","modified_gmt":"2022-04-21T06:49:30","slug":"analysis-for-common-faults-of-ultrasonic-flow-meter","status":"publish","type":"post","link":"https:\/\/www.hginstrument.com\/pt\/analysis-for-common-faults-of-ultrasonic-flow-meter\/","title":{"rendered":"An\u00e1lise de falhas comuns do medidor de caudal ultrass\u00f3nico"},"content":{"rendered":"<p><strong>Fault phenomenon 1:<\/strong>\u00a0 The instantaneous flow of ultrasonic flow meter fluctuates greatly.<br \/>\nFault cause: The signal intensity fluctuates greatly, and the measured fluid fluctuates greatly.<br \/>\nFault handling: Re-select the installation position of Ultrasonic flow meter to ensure the upstream straight pipe length \u226510D and the downstream straight pipe length \u22655D. Adjust the position of the probe to improve the signal strength.<\/p>\n<p><strong>Fault phenomenon 2:<\/strong>\u00a0 The signal intensity of clamp-on type ultrasonic flow meter is low.<br \/>\nFault cause: The Pipeline diameter is too large or pipe scaling deposit is serious.<br \/>\nFault handling: Use insertion type probe, the flow display is normal.<\/p>\n<p><strong>Fault phenomenon 3:<\/strong>\u00a0 After a period of using, the signal intensity of the insertion type ultrasonic flow meter decreases.<br \/>\nFault cause: The probe may have offset or scaling deposit.<br \/>\nFault handling: Adjust the probe position and clean the probe emitting surface.<\/p>\n<p><strong>Fault phenomenon 4:<\/strong>\u00a0 Ultrasonic flow meter has no display when it is powered on.<br \/>\nFault cause: Power attribute does not correspond to meter&#8217;s rating or the fuse is burns out.<br \/>\nFault handling: Inspect whether the power supply attributes are consistent with the meter&#8217;s rating, and replace the fuse if it burns out.<\/p>\n<p><strong>Fault phenomenon 5:\u00a0<\/strong> Ultrasonic flow meter cannot be used under strong field interference.<br \/>\nFault cause: The power supply fluctuates widely or there is frequency converter nearby, or the grounding is not well.<br \/>\nFault handling: Provide stable power supply to the instrument, install the instrument on the position which is far away from the strong magnetic interference such as frequency converter, and set the grounding wire in standard. The ultrasonic signal cable must be shielded cable, the power cable shall be laid separately, and the magnetic ring isolation transformer shall be connect to the power input end.<\/p>","protected":false},"excerpt":{"rendered":"<p>An\u00e1lise de falhas comuns do medidor de caudal ultrass\u00f3nico<\/p>","protected":false},"author":1,"featured_media":2768,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[2130],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.hginstrument.com\/pt\/wp-json\/wp\/v2\/posts\/3107"}],"collection":[{"href":"https:\/\/www.hginstrument.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hginstrument.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hginstrument.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hginstrument.com\/pt\/wp-json\/wp\/v2\/comments?post=3107"}],"version-history":[{"count":0,"href":"https:\/\/www.hginstrument.com\/pt\/wp-json\/wp\/v2\/posts\/3107\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hginstrument.com\/pt\/wp-json\/wp\/v2\/media\/2768"}],"wp:attachment":[{"href":"https:\/\/www.hginstrument.com\/pt\/wp-json\/wp\/v2\/media?parent=3107"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hginstrument.com\/pt\/wp-json\/wp\/v2\/categories?post=3107"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hginstrument.com\/pt\/wp-json\/wp\/v2\/tags?post=3107"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}