{"product_id":"ac-infinity-ph-and-nutrient-meters","title":"AC Infinity pH \u0026 Nutrient Meters – IP67 with Calibration","description":"\u003ch2\u003eThree meters that differ by accuracy and by what is in the box\u003c\/h2\u003e\n\u003cp\u003eAll three share the same body — \u003cstrong\u003eIP67\u003c\/strong\u003e, a \u003cstrong\u003elithium glass membrane probe\u003c\/strong\u003e, a detachable sensor shield and a backlit LCD. What separates them is \u003cstrong\u003ehow accurate they are, whether the probe can be replaced, and which calibration solutions you get\u003c\/strong\u003e. That last point is the one people miss: a meter without the right buffers is a meter you cannot trust.\u003c\/p\u003e\n\u003ch3\u003eWhich one do I need?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Meter Kit\u003c\/strong\u003e — pH and temperature to \u003cstrong\u003e±0.1\u003c\/strong\u003e. Fixed probe. Ships with pH 4.00 and 7.00 buffers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH Meter PRO Kit\u003c\/strong\u003e — pH and temperature to \u003cstrong\u003e±0.01\u003c\/strong\u003e, \u003cstrong\u003ereplaceable probe\u003c\/strong\u003e, high\/low alarms and auto-hold. Ships with pH 4.00, 7.00 and 10.01 buffers, 3M KCL storage solution and three calibration vials\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroponic Meter PRO Kit\u003c\/strong\u003e — adds \u003cstrong\u003eEC, TDS and salinity\u003c\/strong\u003e to pH and temperature, at \u003cstrong\u003e±0.01\u003c\/strong\u003e. Ships with pH 4.00 and 7.00, 12.88 mS and 1413 µS conductivity solutions, 3M KCL and four calibration vials\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP67 rated\u003c\/strong\u003e — a dropped meter is a wet meter, not a dead one\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaceable probe\u003c\/strong\u003e on both PRO models, so the meter outlives its sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration solutions in the box\u003c\/strong\u003e on all three, not sold separately\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBacklit LCD\u003c\/strong\u003e for reading in a dark room\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh and low alarms with auto-hold\u003c\/strong\u003e on the PRO models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBody:\u003c\/strong\u003e 4.2 × 17.8cm on all three\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003epH accuracy:\u003c\/strong\u003e ±0.1 on the pH Meter Kit, ±0.01 on both PRO models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProbe:\u003c\/strong\u003e lithium glass membrane; fixed on the pH Meter Kit, replaceable on the PRO models\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydroponic PRO TDS factor:\u003c\/strong\u003e adjustable 0.40–1.00, default 0.71\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRating:\u003c\/strong\u003e IP67\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupplied with:\u003c\/strong\u003e travel lanyard on all three, plus the solutions and vials listed above\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AC Infinity","offers":[{"title":"pH Meter Kit","offer_id":53786531070218,"sku":"ENV-ACIN-048-01","price":67.49,"currency_code":"GBP","in_stock":true},{"title":"pH Meter PRO Kit","offer_id":53786531102986,"sku":"ENV-ACIN-048-02","price":82.49,"currency_code":"GBP","in_stock":true},{"title":"Hydroponic Meter PRO Kit","offer_id":53786531135754,"sku":"ENV-ACIN-048-03","price":146.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0748\/7127\/5786\/files\/pHMeter_AC-PHM3_SP1__57405.1785364043.jpg?v=1790088896","url":"https:\/\/hydrocropshop.co.uk\/products\/ac-infinity-ph-and-nutrient-meters","provider":"Hydro Crop Shop","version":"1.0","type":"link"}