{"id":45015,"date":"2024-05-23T00:40:29","date_gmt":"2024-05-22T15:10:29","guid":{"rendered":"https:\/\/onetemp.c2szky.ap-southeast-2.wpstaqhosting.com\/product\/phionics-sts-conductivity-sensor-with-4-20ma-output\/"},"modified":"2026-10-14T01:26:53","modified_gmt":"2026-10-13T14:56:53","slug":"phionics-sts-conductivity-sensor-with-4-20ma-output","status":"publish","type":"product","link":"https:\/\/www.onetemp.com.au\/nz\/product\/phionics-sts-conductivity-sensor-with-4-20ma-output\/","title":{"rendered":"pHionics STs &#8211; Conductivity Sensor with 4-20mA output"},"content":{"rendered":"<p>The pHionics STs Series\u2122 Conductivity is a water quality sensor designed to pair with a datalogger or RTU for real-time data capture. A narrow diameter allows the STs Series to go places others can\u2019t while the chemical-resistant housing ensures the sensor can stay there for many years. Proprietary electrode technology provides stable measurements to reduce calibration frequency.<\/p>\n<p>All parts, including the cable, are easily replaceable without tools using pHionics patented pHiConn\u2122 System, saving frustration and money.<\/p>\n<p>In addition, isolation, differential amplification, and shielding ensure a strong signal with high signal-noise ratios, all while remaining low-power.<\/p>\n<p>These features make our conductivity sensor well-suited for applications such as groundwater monitoring, wastewater treatment, aquaculture, pollution monitoring, etc.<\/p>\n<h3>Features<\/h3>\n<ul>\n<li>4-cell electrode to measure conductivity, TDS, or salinity depending on scaling<\/li>\n<li>Secondary 0-50\u00b0C temperature sensor<\/li>\n<li>Chemical-resistant PVDF and 316 Stainless Steel housing (Titanium optional)<\/li>\n<li>Metal housing acts as the solution ground, removing background noise caused by stray electrical currents<\/li>\n<li>Narrow diameter (0.75 inches or 1.9 cm)<\/li>\n<li>Electrode guard to reduce debris or algae buildup and protect from damage<\/li>\n<li>Fully submersible up to 70 psi<\/li>\n<li>Shielded, Kevlar\u00ae-reinforced, water-blocked polyurethane cable<\/li>\n<li>4-20 mA signal capable of transmission up to 3 miles (with proper wire gauge)<\/li>\n<li>Automatic Temperature Compensation (2% per degree Celsius)<\/li>\n<li>Reversible Input Protection and Operation<\/li>\n<li>Built-in electrical isolation to prevent ground loops<\/li>\n<li>Signal conditioning to remove background noise<\/li>\n<\/ul>\n<h3>Conductivity Sensor Ranges Available:<\/h3>\n<ul style=\"list-style-type: disc;\">\n<li>0-1000 \u00b5S\/cm<\/li>\n<li>0-5000 \u00b5S\/cm<\/li>\n<li>0-10,000 \u00b5S\/cm<\/li>\n<li>0-50,000 \u00b5S\/cm<\/li>\n<li>0-100,000 \u00b5S\/cm<\/li>\n<\/ul>\n<h3>Low Maintenance<\/h3>\n<p>Reduce the number of site visits with the STs Series Conductivity sensor. A 4-cell electrode holds calibration for long periods of time while also preventing errors due to polarization.<\/p>\n<p>In addition, the guard protects the sensing elements from algae and debris build-up, further reducing the need for calibration.<\/p>\n<h3>Applications<\/h3>\n<ul style=\"list-style-type: disc;\">\n<li>Groundwater Monitoring<\/li>\n<li>Saltwater intrusion<\/li>\n<li>Agricultural Runoff<\/li>\n<li>Mining Pollution<\/li>\n<li>Industrial Effluent Monitoring<\/li>\n<li>Wastewater Treatment<\/li>\n<li>Environmental Remediation<\/li>\n<li>Aquaculture<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The pHionics STs Series\u2122 Conductivity is a water quality sensor designed to pair with a datalogger or RTU for real-time data capture.<\/p>\n<p><strong>Available in 7.62m standard cable length (25&#8242;) &#8211; custom cable lengths available on request.\u00a0<\/strong><\/p>","protected":false},"featured_media":33131,"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":[364,516],"connectivity-output":[66],"environment":[88],"instrument-type":[228,229,213],"manufacturer":[242],"measurement-input":[102,156],"class_list":["post-45015","product","type-product","status-publish","has-post-thumbnail","product_cat-products","application-water-analysis","application-controllers-transmitters","connectivity-output-4-20ma","environment-underwater-monitoring","instrument-type-transmitters","instrument-type-2-wire-loop-powered","instrument-type-sensors","manufacturer-phionics","measurement-input-conductivity","measurement-input-salinity","first","instock","taxable","shipping-taxable","purchasable","product-type-variable"],"composite_virtual":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":["45017","45212","45625"],"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 STs - Conductivity Sensor with 4-20mA output - 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-sts-conductivity-sensor-with-4-20ma-output\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"pHionics STs - Conductivity Sensor with 4-20mA output - OneTemp\" \/>\n<meta property=\"og:description\" content=\"The pHionics STs Series\u2122 Conductivity is a water quality sensor designed to pair with a datalogger or RTU for real-time data capture. Available in 7.62m standard cable length (25&#039;) - custom cable lengths available on request.\u00a0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.onetemp.com.au\/nz\/product\/phionics-sts-conductivity-sensor-with-4-20ma-output\/\" \/>\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=\"2026-10-13T14:56:53+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.onetemp.com.au\/wp-content\/uploads\/2026\/10\/STs-Conductivity-Sensor-w_-4_20mA-Output-1.png\" \/>\n\t<meta property=\"og:image:width\" content=\"900\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\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=\"2 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"pHionics STs - Conductivity Sensor with 4-20mA output - 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-sts-conductivity-sensor-with-4-20ma-output\/","og_locale":"en_US","og_type":"article","og_title":"pHionics STs - Conductivity Sensor with 4-20mA output - OneTemp","og_description":"The pHionics STs Series\u2122 Conductivity is a water quality sensor designed to pair with a datalogger or RTU for real-time data capture. 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