{"id":503,"date":"2015-02-11T11:04:27","date_gmt":"2015-02-11T11:04:27","guid":{"rendered":"https:\/\/www.broadleyjames.com\/product\/model-st857\/"},"modified":"2026-07-15T15:00:23","modified_gmt":"2026-07-15T15:00:23","slug":"model-st857","status":"publish","type":"product","link":"https:\/\/www.broadleyjames.com\/es\/product\/model-st857\/","title":{"rendered":"ST857 Retraction DynaProbe pH and Redox Sensors"},"content":{"rendered":"<h2>Specification<\/h2>\n<p>pH Range:\u00a00-14 pH<\/p>\n<p>ORP Range:\u00a0\u00b1 5000 mV<\/p>\n<p>Temp Range:\u00a00 -120\u00ba C<\/p>\n<p>Max Pressure\/Temp: 100 psig at 90\u00ba C<\/p>\n<p>Reference:\u00a0Ag-AgCl<\/p>\n<p>Wetted Materials:\u00a0Ryton, Teflon, Glass and Viton O-rings<\/p>\n<p>Standard cable length:\u00a07 Feet<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The ST857 is a rugged, sealed, replacement sensor designed for insertion \/ retraction applications. The Patented solid state reference cell features the unique IonTrap\u2122 design for extended service life in the most severe applications. The body, with an integral bulb guard and anti-blowout restraint, is moulded from chemically resistant Kynar(PVDF) and the reference junction is porous Teflon. Built-in temperature compensators are available. Sensor also available in ORP (Redox) version. Also fits TBI \/ Bailey Model TB557 &#8220;Hot Tap&#8221; sensor assemblies.<\/p>\n","protected":false},"featured_media":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_hide_header":false,"_hide_breadcrumbs":false,"_overlay_breadcrumbs":false},"product_brand":[],"product_cat":[10,17,18,19],"product_tag":[],"class_list":["post-503","product","type-product","status-publish","product_cat-about-ph-probes","product_cat-instructions","product_cat-manuals","product_cat-newsletters","first","instock","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.broadleyjames.com\/es\/wp-json\/wp\/v2\/product\/503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.broadleyjames.com\/es\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.broadleyjames.com\/es\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.broadleyjames.com\/es\/wp-json\/wp\/v2\/comments?post=503"}],"wp:attachment":[{"href":"https:\/\/www.broadleyjames.com\/es\/wp-json\/wp\/v2\/media?parent=503"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.broadleyjames.com\/es\/wp-json\/wp\/v2\/product_brand?post=503"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.broadleyjames.com\/es\/wp-json\/wp\/v2\/product_cat?post=503"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.broadleyjames.com\/es\/wp-json\/wp\/v2\/product_tag?post=503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}