{"id":403202,"date":"2026-10-24T10:39:56","date_gmt":"2026-10-24T10:39:56","guid":{"rendered":"https:\/\/www.tiendabernad.com\/producto\/testo-420-differential-pressure-instrument-and-balometer\/"},"modified":"2026-10-24T10:40:00","modified_gmt":"2026-10-24T10:40:00","slug":"testo-420-differential-pressure-instrument-and-balometer","status":"publish","type":"product","link":"https:\/\/www.tiendabernad.com\/en\/producto\/testo-420-differential-pressure-instrument-and-balometer\/","title":{"rendered":"testo 420 differential pressure instrument and balometer"},"content":{"rendered":"<h2>testo 420 balometer and differential pressure instrument<\/h2>\n<p>The <strong>testo 420<\/strong> is a high-resolution (0.001 Pa) differential pressure instrument designed to work with the testo 420 <strong>balometer hood<\/strong>, which measures <strong>air flow<\/strong> at diffusers, grilles and ventilation outlets quickly and accurately.<\/p>\n<p>The balometer set 0563 4200 includes the 610 x 610 mm hood with <strong>integrated flow straightener<\/strong>, tension rods, carry bag and the instrument itself. The testo 420 also measures absolute pressure and velocity and has internal memory.<\/p>\n<h3>Key features<\/h3>\n<ul>\n<li>0.001 Pa differential pressure resolution<\/li>\n<li>Balometer with integrated flow straightener<\/li>\n<li>Light, easy-to-assemble 610 x 610 mm hood<\/li>\n<li>3.5&#8243; illuminated display<\/li>\n<li>Internal memory and USB connection<\/li>\n<\/ul>\n<h3>Applications<\/h3>\n<ul>\n<li>Balancing ventilation and HVAC systems<\/li>\n<li>Cleanrooms, hospitals and laboratories<\/li>\n<li>Checking flow at diffusers and grilles<\/li>\n<\/ul>\n<h3>Versions and references<\/h3>\n<table class=\"bernad-versiones\">\n<thead>\n<tr>\n<th>testo reference<\/th>\n<th>Version<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>0560 0420<\/strong><\/td>\n<td>testo 420 differential pressure instrument<\/td>\n<\/tr>\n<tr>\n<td><strong>0563 4200<\/strong><\/td>\n<td>testo 420 balometer: instrument, 610 x 610 mm hood, rods, USB cable and bag<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>See the specifications table for technical data.<\/p>\n<h3>Downloads<\/h3>\n<ul class=\"bernad-descargas\">\n<li><a href=\"https:\/\/www.tiendabernad.com\/wp-content\/uploads\/2026\/10\/testo-420-data-sheet-en.pdf\" target=\"_blank\" rel=\"noopener\">testo 420 data sheet<\/a> (PDF, 2.2 MB)<\/li>\n<li><a href=\"https:\/\/www.tiendabernad.com\/wp-content\/uploads\/2026\/10\/testo-420-instruction-manual-en.pdf\" target=\"_blank\" rel=\"noopener\">testo 420 instruction manual<\/a> (PDF, 356 KB)<\/li>\n<\/ul>\n<p>Price on request: add it to your quote request and we will reply with price and lead time.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>testo 420 differential pressure instrument and balometer<\/strong>: high-resolution differential pressure instrument for the testo 420 balometer, which measures air flow at diffusers and grilles with an integrated flow straightener.<\/p>\n<p>Request your quote with no obligation.<\/p>\n","protected":false},"featured_media":403203,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_joinchat":[]},"product_brand":[],"product_cat":[4304,4300],"product_tag":[],"class_list":["post-403202","product","type-product","status-publish","has-post-thumbnail","product_cat-humidity-indoor-climate-en","product_cat-pressure-gauges-en","first","instock","taxable","shipping-taxable","product-type-simple"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>testo 420 balometer and differential pressure instrument<\/title>\n<meta name=\"description\" content=\"testo 420: high-resolution differential pressure instrument and balometer with flow straightener to measure air flow at diffusers and grilles. 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