{"id":43928,"date":"2024-01-30T23:27:29","date_gmt":"2024-01-30T12:57:29","guid":{"rendered":"https:\/\/onetemp.c2szky.ap-southeast-2.wpstaqhosting.com\/product\/jumo-tecline-cl2-free-chlorine-sensor\/"},"modified":"2026-10-15T18:40:43","modified_gmt":"2026-10-15T08:10:43","slug":"jumo-tecline-cl2-free-chlorine-sensor","status":"publish","type":"product","link":"https:\/\/www.onetemp.com.au\/nz\/product\/jumo-tecline-cl2-free-chlorine-sensor\/","title":{"rendered":"Jumo tecLine Cl2 &#8211; Free Chlorine Sensor"},"content":{"rendered":"<h2>Measure Free Chlorine Without Compromising Quality or Time<\/h2>\n<p>These membrane-covered amperometric sensors are used to <strong>measure the concentration of free\u00a0chlorine<\/strong>. The following anorganic chlorination agents can be measured: chlorine gas (Cl<sub>2<\/sub>), elec-trolytically generated chlorine, sodium hypochlorite (NaOCl, chlorine bleaching solution), calcium\u00a0hypochlorite (Ca(OCl)<sub>2<\/sub>), or chlorinated lime (Ca(OCl)Cl).<\/p>\n<p>The sensors are not suitable for detecting the absence of free chlorine.<\/p>\n<p>The sensors&#8217; integrated electronics provide a temperature-compensated current signal (4 to 20 mA) for the variant with an analog output signal, and a Modbus RTU signal for the variant with a digital interface. A downstream device (indicator, controller, recorder, PLC, etc.) is used for calibration.<\/p>\n<p>The sensors can be <strong>connected directly to various indicating devices\/transmitters\/controllers<\/strong>. They provide the voltage required for supplying the sensors and allow for easy calibration of the measuring system.<\/p>\n<h3>Features<\/h3>\n<ul style=\"list-style-type: disc;\">\n<li>2 and 3 electrode principle<\/li>\n<li>Easy Calibration<\/li>\n<li>Integrated temperature compensation<\/li>\n<li>Proven measuring system<\/li>\n<li>Electrical connection analogue or digital<\/li>\n<\/ul>\n<h3>Applications<\/h3>\n<ul style=\"list-style-type: disc;\">\n<li>Measurements in drinking water<\/li>\n<li>Swimming pool water<\/li>\n<li>Service water<\/li>\n<li>Process water<\/li>\n<li>Cooling water<\/li>\n<li>Seawater<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>These membrane-covered amperometric sensors are used to measure the concentration of free chlorine (e.g. in drinking water, swimming pool water, industrial water, process water, and cooling water). The sensors can be connected directly to a suitable indicating and control device<\/p>","protected":false},"featured_media":30534,"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":[516],"connectivity-output":[66,83],"environment":[],"instrument-type":[213,228],"manufacturer":[39],"measurement-input":[99],"class_list":["post-43928","product","type-product","status-publish","has-post-thumbnail","product_cat-products","application-controllers-transmitters","connectivity-output-4-20ma","connectivity-output-rs485","instrument-type-sensors","instrument-type-transmitters","manufacturer-jumo","measurement-input-chlorine-free","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"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>Jumo tecLine Cl2 - Free Chlorine Sensor - 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\/jumo-tecline-cl2-free-chlorine-sensor\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jumo tecLine Cl2 - Free Chlorine Sensor - OneTemp\" \/>\n<meta property=\"og:description\" content=\"These membrane-covered amperometric sensors are used to measure the concentration of free chlorine (e.g. in drinking water, swimming pool water, industrial water, process water, and cooling water). The sensors can be connected directly to a suitable indicating and control device\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.onetemp.com.au\/nz\/product\/jumo-tecline-cl2-free-chlorine-sensor\/\" \/>\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=\"2026-10-15T08:10:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.onetemp.com.au\/wp-content\/uploads\/2026\/10\/tecLine-CI2-Sensor-Product-Gallery.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\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":"Jumo tecLine Cl2 - Free Chlorine Sensor - 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\/jumo-tecline-cl2-free-chlorine-sensor\/","og_locale":"en_US","og_type":"article","og_title":"Jumo tecLine Cl2 - Free Chlorine Sensor - OneTemp","og_description":"These membrane-covered amperometric sensors are used to measure the concentration of free chlorine (e.g. in drinking water, swimming pool water, industrial water, process water, and cooling water). 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