{"id":44637,"date":"2024-04-02T22:36:15","date_gmt":"2024-04-02T12:06:15","guid":{"rendered":"https:\/\/onetemp.c2szky.ap-southeast-2.wpstaqhosting.com\/product\/phionics-d-phi-differential-ph-sensors-with-4-20-ma\/"},"modified":"2026-10-14T01:53:45","modified_gmt":"2026-10-13T15:23:45","slug":"phionics-d-phi-differential-ph-sensors-with-4-20-ma","status":"publish","type":"product","link":"https:\/\/www.onetemp.com.au\/nz\/product\/phionics-d-phi-differential-ph-sensors-with-4-20-ma\/","title":{"rendered":"pHionics D-pHi &#8211; Differential pH Sensors with 4-20 mA"},"content":{"rendered":"<h2>The D-phi Series redefines accuracy, reliability, and ease-of-use for pH sensors.<\/h2>\n<p>Avoid headaches and wasted money with features that eliminate common installation and maintenance problems. This pH sensor has an extremely stable differential electrode that resists\u00a0dilution and debris build-up. It also has a fast response time (96% accurate in less than 5 seconds) and cannot be poisoned by chemicals. Lastly, the sensor is designed for 10+ years of service and the electrode never needs replacement.<\/p>\n<p>There are two types of backends are available depending on the mounting requirements;<\/p>\n<ul style=\"list-style-type: disc;\">\n<li>D-phi-s &#8211; for submersion and standpipe mounting<\/li>\n<li>D-phi-i &#8211; for inline mounting<\/li>\n<\/ul>\n<h3>Features<\/h3>\n<ul style=\"list-style-type: disc;\">\n<li>Linear 4-20mA output<\/li>\n<li>Simple to use and easy to calibrate<\/li>\n<li>Accurate over long distances<\/li>\n<li>Compatible with a wide variety and dataloggers, PLCs, SCADA, and IoT systems<\/li>\n<li>Differential electrode technology<\/li>\n<li>Refillable electrode that never needs replacement<\/li>\n<li>Chemical-resistant titanium and Delrin\u00ae housing (PVDF available)<\/li>\n<li>Built-in 0-50\u00b0C temperature sensor (secondary 4-20 mA output)<\/li>\n<li>3\/4\u2033 or 1\u2033 NPT backend (depending on model)<\/li>\n<li>Fully submersible to 100 psi and 150\u00b0F<\/li>\n<li>Dry storage<\/li>\n<li>Automatic Temperature Compensation (ATC)<\/li>\n<li>600 VDC electrical isolation<\/li>\n<li>2-wire connection with Reversible Input Protection<\/li>\n<\/ul>\n<h3>Applications<\/h3>\n<ul style=\"list-style-type: disc;\">\n<li>Process control<\/li>\n<li>Wastewater<\/li>\n<li>Aquaculture<\/li>\n<li>Hydroponics<\/li>\n<li>Environmental remediation<\/li>\n<li>Any application that require user friendly and low-maintenance pH sensors<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The pHionics D-pHi series provides accurate pH measurements from 0-14pH to a receiver for continuous monitoring.<\/p>\n<p><strong>Available in 4.57m standard cable length \u2013 custom cable lengths available on request.\u00a0<\/strong><\/p>","protected":false},"featured_media":32382,"template":"","meta":{"_acf_changed":false,"om_disable_all_campaigns":false,"inline_featured_image":false,"_exactmetrics_skip_tracking":false,"_monsterinsights_skip_tracking":false},"product_brand":[],"product_cat":[15],"product_tag":[],"application":[364,365,516],"connectivity-output":[66],"environment":[],"instrument-type":[229,213,228],"manufacturer":[242],"measurement-input":[145],"class_list":["post-44637","product","type-product","status-publish","has-post-thumbnail","product_cat-products","application-water-analysis","application-wastewater","application-controllers-transmitters","connectivity-output-4-20ma","instrument-type-2-wire-loop-powered","instrument-type-sensors","instrument-type-transmitters","manufacturer-phionics","measurement-input-ph","first","instock","taxable","shipping-taxable","product-type-grouped"],"composite_virtual":false,"composite_aggregate_weight":false,"composite_layout":"","composite_add_to_cart_form_location":"","composite_editable_in_cart":false,"composite_sold_individually_context":"","composite_shop_price_calc":"","composite_components":[],"composite_scenarios":[],"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"bundle_sells_title":"","bundle_sells_discount":"","acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>pHionics D-pHi - Differential pH Sensors with 4-20 mA - OneTemp<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.onetemp.com.au\/nz\/product\/phionics-d-phi-differential-ph-sensors-with-4-20-ma\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"pHionics D-pHi - Differential pH Sensors with 4-20 mA - OneTemp\" \/>\n<meta property=\"og:description\" content=\"The pHionics D-pHi series provides accurate pH measurements from 0-14pH to a receiver for continuous monitoring. Available in 4.57m standard cable length \u2013 custom cable lengths available on request.\u00a0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.onetemp.com.au\/nz\/product\/phionics-d-phi-differential-ph-sensors-with-4-20-ma\/\" \/>\n<meta property=\"og:site_name\" content=\"OneTemp\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/OneTempAust\/\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-13T15:23:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.onetemp.com.au\/wp-content\/uploads\/2026\/10\/D-pHi-Differential-pH-Sensors-w_-4_20-mA-9.jpeg\" \/>\n\t<meta property=\"og:image:width\" content=\"872\" \/>\n\t<meta property=\"og:image:height\" content=\"772\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"pHionics D-pHi - Differential pH Sensors with 4-20 mA - OneTemp","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.onetemp.com.au\/nz\/product\/phionics-d-phi-differential-ph-sensors-with-4-20-ma\/","og_locale":"en_US","og_type":"article","og_title":"pHionics D-pHi - Differential pH Sensors with 4-20 mA - OneTemp","og_description":"The pHionics D-pHi series provides accurate pH measurements from 0-14pH to a receiver for continuous monitoring. Available in 4.57m standard cable length \u2013 custom cable lengths available on request.\u00a0","og_url":"https:\/\/www.onetemp.com.au\/nz\/product\/phionics-d-phi-differential-ph-sensors-with-4-20-ma\/","og_site_name":"OneTemp","article_publisher":"https:\/\/www.facebook.com\/OneTempAust\/","article_modified_time":"2026-10-13T15:23:45+00:00","og_image":[{"width":872,"height":772,"url":"https:\/\/www.onetemp.com.au\/wp-content\/uploads\/2026\/10\/D-pHi-Differential-pH-Sensors-w_-4_20-mA-9.jpeg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":["WebPage","ItemPage"],"@id":"https:\/\/www.onetemp.com.au\/product\/phionics-d-phi-differential-ph-sensors-with-4-20-ma\/","url":"https:\/\/www.onetemp.com.au\/product\/phionics-d-phi-differential-ph-sensors-with-4-20-ma\/","name":"pHionics D-pHi - Differential pH Sensors with 4-20 mA - OneTemp","isPartOf":{"@id":"https:\/\/www.onetemp.com.au\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.onetemp.com.au\/product\/phionics-d-phi-differential-ph-sensors-with-4-20-ma\/#primaryimage"},"image":{"@id":"https:\/\/www.onetemp.com.au\/product\/phionics-d-phi-differential-ph-sensors-with-4-20-ma\/#primaryimage"},"thumbnailUrl":"https:\/\/www.onetemp.com.au\/wp-content\/uploads\/2026\/10\/D-pHi-Differential-pH-Sensors-w_-4_20-mA-9.jpeg","datePublished":"2024-04-02T12:06:15+00:00","dateModified":"2026-10-13T15:23:45+00:00","breadcrumb":{"@id":"https:\/\/www.onetemp.com.au\/product\/phionics-d-phi-differential-ph-sensors-with-4-20-ma\/#breadcrumb"},"inLanguage":"en-NZ","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.onetemp.com.au\/product\/phionics-d-phi-differential-ph-sensors-with-4-20-ma\/"]}]},{"@type":"ImageObject","inLanguage":"en-NZ","@id":"https:\/\/www.onetemp.com.au\/product\/phionics-d-phi-differential-ph-sensors-with-4-20-ma\/#primaryimage","url":"https:\/\/www.onetemp.com.au\/wp-content\/uploads\/2026\/10\/D-pHi-Differential-pH-Sensors-w_-4_20-mA-9.jpeg","contentUrl":"https:\/\/www.onetemp.com.au\/wp-content\/uploads\/2026\/10\/D-pHi-Differential-pH-Sensors-w_-4_20-mA-9.jpeg","width":872,"height":772},{"@type":"BreadcrumbList","@id":"https:\/\/www.onetemp.com.au\/product\/phionics-d-phi-differential-ph-sensors-with-4-20-ma\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"","item":"https:\/\/www.onetemp.com.au\/nz"},{"@type":"ListItem","position":2,"name":"Shop","item":"https:\/\/www.onetemp.com.au\/shop\/"},{"@type":"ListItem","position":3,"name":"pHionics D-pHi &#8211; 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