{"product_id":"bluelab-guardian-monitor-spare-ph-probe-2m","title":"Bluelab pH Probe – Replacement for Guardian Monitor, 2m","description":"\u003ch2\u003eA genuine replacement probe to bring a tired Bluelab meter back to full accuracy\u003c\/h2\u003e\u003cp\u003eThis is the standard \u003cstrong\u003eBluelab pH Probe\u003c\/strong\u003e with a \u003cstrong\u003e2 metre cable and BNC connector\u003c\/strong\u003e, the same double-junction probe fitted to the \u003cstrong\u003eGuardian Monitor\u003c\/strong\u003e and other BNC-connection Bluelab meters and controllers. A pH probe is a consumable part: drift, a slow response and readings that will not hold calibration are signs the glass bulb and reference junction have reached the end of their life, and a straight swap restores lab-accurate readings without replacing the whole unit.\u003c\/p\u003e\u003ch3\u003eKey Benefits\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Bluelab double-junction probe\u003c\/strong\u003e for a longer working life than single-junction alternatives\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard BNC connector\u003c\/strong\u003e and 2m cable, a direct fit for the Guardian Monitor and other BNC-fitted Bluelab units\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWaterproof polycarbonate body\u003c\/strong\u003e built for wet grow room use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eKCl-filled storage cap\u003c\/strong\u003e keeps the tip hydrated between uses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple 2-point calibration\u003c\/strong\u003e against pH 4.0 and 7.0 or 10.0 solution\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow to Use\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisconnect\u003c\/strong\u003e the old probe from the BNC socket and connect the replacement, twisting to lock it in place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrate\u003c\/strong\u003e in fresh pH 7.0 solution first, then pH 4.0 or pH 10.0 depending on your working range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStore\u003c\/strong\u003e with the KCl-filled cap on and keep the tip wet; never let a probe dry out between uses.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"hcs-specs\"\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e double-junction Ag\/AgCl, saturated KCl gel-filled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH range:\u003c\/strong\u003e 0.0-14.0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 0.1 and 0.01 pH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating environment:\u003c\/strong\u003e 0-60C (32-140F), solution 0.2 EC and above\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e BNC, 2m cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Guardian Monitor and other BNC-connection Bluelab meters and controllers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 6 months\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Bluelab","offers":[{"title":"Default Title","offer_id":53798196674826,"sku":"TLS-BLUE-010-01","price":68.9,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/bluelab-guardian-monitor-spare-ph-probe-2m-1.jpg?v=1790163794","url":"https:\/\/hydrocropshop.co.uk\/products\/bluelab-guardian-monitor-spare-ph-probe-2m","provider":"Hydro Crop Shop","version":"1.0","type":"link"}