{"id":13739,"date":"2026-05-12T18:53:47","date_gmt":"2026-05-12T18:53:47","guid":{"rendered":"https:\/\/tecnomedida.com\/?post_type=product&p=13739"},"modified":"2026-06-04T21:31:07","modified_gmt":"2026-06-04T21:31:07","slug":"hva28","status":"publish","type":"product","link":"https:\/\/tecnomedida.com\/en\/servicios\/alquiler-de-equipos\/hva28\/","title":{"rendered":"HVA28"},"content":{"rendered":"
\n\t\t\t\t
\n\t\t\t\t\t
\n\t\t
\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t
Key Features<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t
\n\t\t\t\t\t\t\t\t\t
  • Output voltage up to 29 kV peak \/ 21 kVrms<\/li>
  • Adjustable VLF frequency from 0.01 Hz to 0.1 Hz<\/li>
  • Sine wave and square wave VLF testing<\/li>
  • DC testing up to \u00b128 kV<\/li>
  • Integrated Tan Delta diagnostics (HVA28TD model)<\/li>
  • Continuous operation without thermal limitation<\/li>
  • 4.3\u201d color display<\/li>
  • Secure communication via Bluetooth<\/li>
  • Report transfer via USB<\/li>
  • 12 kV backfeed protection<\/li>
  • Dual Discharge Device system (electronic and mechanical discharge)<\/li>
  • Compact IP67 design for field work<\/li>
  • Approximate weight of 14 kg<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
    \n\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
    \n\t\t\t\t\t
    \n\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t

    Frequently Asked Questions<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

    \n\t\t\t\t\t
    \n\t\t\t\t
    \n\t\t\t\t\t\t\t
    \n\t\t\t\t\t\t
    \n\t\t\t\t\n\t\t\t\t\t
    What types of tests can be performed using the HVA28? <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/i><\/span>\n\t\t\t<\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
    \n\t\t
    \n\t\t\t\t\t
    \n\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t

    The system allows for the performance of sinusoidal VLF tests, DC tests, sheath tests, sheath fault location, and Tan Delta diagnostic tests in the HVA28TD version.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

    \n\t\t\t\t\n\t\t\t\t\t
    What advantages does the HVA28TD model offer over the standard HVA28? <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/i><\/span>\n\t\t\t<\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
    \n\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t

    The HVA28TD features Tan Delta diagnostics and a Monitored Withstand Test (MWT) function, enabling the combination of withstand tests with advanced insulation condition analysis in accordance with IEEE 400.2-2013.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

    \n\t\t\t\t\n\t\t\t\t\t
    Can the equipment operate continuously? <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/i><\/span>\n\t\t\t<\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
    \n\t\t
    \n\t\t\t\t\t
    \n\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t

    Yes. The system is designed for continuous operation without thermal limitations, allowing for extended testing campaigns without interruptions due to overheating.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

    \n\t\t\t\t\n\t\t\t\t\t
    What safety features does the HVA28 include? <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/i><\/span>\n\t\t\t<\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
    \n\t\t\t\t\t
    \n\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t

    It features a dual integrated discharge system (electronic and mechanical), back-feed protection up to 12 kV, and an arc-free contact design, enhancing operational safety during high-voltage testing.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

    \n\t\t\t\t\n\t\t\t\t\t
    What international standards does the equipment meet? <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/i><\/span>\n\t\t\t<\/i><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
    \n\t\t\t\t\t
    \n\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t

    The HVA28\/HVA28TD complies with standards such as IEEE 400.2, DIN VDE 0276-620, DIN VDE 0276-621, IEC 60502-2, and IEC 60229 for VLF testing and power cable testing.<\/p>

    \ud83d\udce3 CTA sugerido<\/h2>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
    \n\t\t\t\t\t
    \n\t\t
    \n\t\t\t\t
    \n\t\t\t\t\t\t\t
    \n\t\t\t\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t

    Equipment available in:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

    \n\t\t\t\t\t
    \n\t\t
    \n\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\t\t\t\t\t
    Colombia<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
    \n\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\t\t\t\t\t
    Venezuela<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
    \n\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t\t\t\t
    \n\t\t\t\t\t\t\t\t\t\t\"\"\t\t\t\t\t\t\t\t\t\t\t
    Per\u00fa<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

    El HVA28<\/strong> is a portable VLF (Very Low Frequency) testing system designed for evaluation, diagnosis, and acceptance testing of medium-voltage cables. This equipment enables VLF testing, DC testing, sheath testing, and sheath fault location, with the HVA28TD model featuring advanced Tan Delta diagnostic capabilities in accordance with IEEE 400.2-2013. Its compact, lightweight, and maintenance-free design makes it an ideal solution for field work, predictive maintenance, and the commissioning of power grids.<\/p>","protected":false},"featured_media":13740,"template":"","meta":{"content-type":"","_monsterinsights_skip_tracking":false},"product_brand":[78],"product_cat":[94],"product_tag":[],"class_list":["post-13739","product","type-product","status-publish","has-post-thumbnail","product_brand-b2","product_cat-b2","first","onbackorder","featured","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/tecnomedida.com\/en\/wp-json\/wp\/v2\/product\/13739","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tecnomedida.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/tecnomedida.com\/en\/wp-json\/wp\/v2\/types\/product"}],"version-history":[{"count":10,"href":"https:\/\/tecnomedida.com\/en\/wp-json\/wp\/v2\/product\/13739\/revisions"}],"predecessor-version":[{"id":14173,"href":"https:\/\/tecnomedida.com\/en\/wp-json\/wp\/v2\/product\/13739\/revisions\/14173"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tecnomedida.com\/en\/wp-json\/wp\/v2\/media\/13740"}],"wp:attachment":[{"href":"https:\/\/tecnomedida.com\/en\/wp-json\/wp\/v2\/media?parent=13739"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/tecnomedida.com\/en\/wp-json\/wp\/v2\/product_brand?post=13739"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/tecnomedida.com\/en\/wp-json\/wp\/v2\/product_cat?post=13739"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/tecnomedida.com\/en\/wp-json\/wp\/v2\/product_tag?post=13739"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}