{"title":"Calibration Solutions","description":"\u003cp\u003eA meter reading is only as good as its last calibration. ERE stocks Hanna Instruments calibration solutions: \u003ca href=\"\/en-us\/products\/ph-calibration-solutions\"\u003epH buffers\u003c\/a\u003e at 4.01, 7.01 and 10.01 in 20 mL sachets and 500 mL, 1 L and 1 gal bottles; \u003ca href=\"\/en-us\/products\/ph-millesimal-calibration-solutions-with-0-002-ph-accuracy\"\u003emillesimal pH buffers\u003c\/a\u003e accurate to ±0.002 pH; \u003ca href=\"\/en-us\/products\/conductivity-calibration-solutions\"\u003econductivity standards\u003c\/a\u003e at 84, 1413 and 12880 µS\/cm and \u003ca href=\"\/en-us\/products\/tds-calibration-solutions\"\u003eTDS standards\u003c\/a\u003e, NIST-traceable and prepared to ISO 3696; \u003ca href=\"\/en-us\/products\/orp-test-pretreatment-solutions\"\u003eORP test and pretreatment solutions\u003c\/a\u003e; \u003ca href=\"\/en-us\/products\/turbidity-calibration-solutions\"\u003eturbidity standards\u003c\/a\u003e for Hanna turbidity meters; \u003ca href=\"\/en-us\/products\/ise-standards\"\u003eISE standards\u003c\/a\u003e for ammonia, calcium, chloride and fluoride; and \u003ca href=\"\/en-us\/products\/sample-preparation-solutions\"\u003esample preparation solutions\u003c\/a\u003e for soil pH.\u003c\/p\u003e\u003cp\u003eTell us your meter model and we will match the solutions. For the meters themselves, see \u003ca href=\"\/en-us\/collections\/water-quality-instrumentation\"\u003ewater quality instrumentation\u003c\/a\u003e.\u003c\/p\u003e\u003ch2\u003eCalibration solution FAQ\u003c\/h2\u003e\u003ch3\u003eWhich pH buffers do I need?\u003c\/h3\u003e\u003cp\u003eCalibrate at pH 7.01 first, then at 4.01 or 10.01 so the two points bracket the pH you expect to measure; use all three for wide or unknown ranges and for QA checks. Sachets suit field kits and single calibrations, and bottles suit labs that calibrate every day. See our \u003ca href=\"\/en-us\/blogs\/field-notes\/ph-buffer-solutions-guide-4-01-7-01-and-10-01-calibration-standards-for-canadian-water-work\"\u003epH buffer guide\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eWhich conductivity standard should I use?\u003c\/h3\u003e\u003cp\u003eCalibrate with the standard closest to the conductivity of your samples. Hanna standards come at 84, 1413 and 12880 µS\/cm, in 500 mL bottles or 20 mL sachets, and TDS standards are prepared from the same NIST-traceable potassium chloride.\u003c\/p\u003e\u003ch3\u003eHow long do calibration solutions keep?\u003c\/h3\u003e\u003cp\u003eUnopened bottles of most Hanna solutions, including the pH millesimal, conductivity, ORP and ISE lines, have a 5-year shelf life. Single-use 20 mL sachets give fresh solution for each calibration.\u003c\/p\u003e\u003ch3\u003eDo you have solutions for ORP and turbidity meters?\u003c\/h3\u003e\u003cp\u003eYes. ORP test solutions confirm electrode accuracy at reference millivolt values, and pretreatment solutions condition platinum and gold ORP electrodes. Turbidity standards are stabilized polymer-bead suspensions (AMCO-AEPA-1), NIST-traceable, made for Hanna turbidity meters.\u003c\/p\u003e","products":[{"product_id":"sample-preparation-solutions","title":"Hanna Instruments Sample Preparation Solutions (Soil \u0026 Solid\/Semi-Solid pH) — HI7051 \/ HI70960","description":"\u003cdiv data-mce-fragment=\"1\" class=\"shortDesc\"\u003eNumerous Solutions to Choose From... Which One is Best for You?\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"250 ml","offer_id":39899663925441,"sku":"HA-7051M","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"500 ml","offer_id":39899663958209,"sku":"HA-7051L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"30 ml","offer_id":39899663990977,"sku":"HA-70960","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/soil-sample-preparation-solution-no-box-hi7051l__44042.1563820770.jpg?v=1781400857"},{"product_id":"ph-calibration-solutions","title":"pH Calibration Solutions","description":"\u003cdiv class=\"shortDesc\" data-mce-fragment=\"1\"\u003eNumerous Solutions to Choose From... Which One is Best for You?\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"4.01 pH Calibration Solution, 20 ml Sachets","offer_id":39904541016257,"sku":"HA-70004P","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"4.01 pH Calibration Solution, 500 ml","offer_id":39904541049025,"sku":"HA-7004L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"4.01 pH Calibration Solution, 1 L","offer_id":39904541081793,"sku":"HA-7004\/1L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"4.01 pH Calibration Solution, 1 US Gallon","offer_id":39904541114561,"sku":"HA-7004\/1G","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"7.01 pH Calibration Solution, 20 ml Sachets","offer_id":39904541147329,"sku":"HA-70007P","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"7.01 pH Calibration Solution, 500 ml","offer_id":39904541180097,"sku":"HA-7007L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"7.01 pH Calibration Solution, 1 L","offer_id":39904541212865,"sku":"HA-7007\/1L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"7.01 pH Calibration Solution, 1 US Gallon","offer_id":39904541245633,"sku":"HA-7007\/1G","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"10.01 pH Calibration Solution, 20 ml Sachets","offer_id":39904541278401,"sku":"HA-70010P","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"10.01 pH Calibration Solution, 500 ml","offer_id":39904541311169,"sku":"HA-7010L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"10.01 pH Calibration Solution, 1 L","offer_id":39904541343937,"sku":"HA-7010\/1L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"10.01 pH Calibration Solution, 1 US Gallon","offer_id":39904541376705,"sku":"HA-7010\/1G","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/RH7004.jpg?v=1781551248"},{"product_id":"orp-test-pretreatment-solutions","title":"ORP Test \u0026 Pretreatment Solutions","description":"\u003cdiv class=\"shortDesc\" data-mce-fragment=\"1\"\u003eNumerous Solutions to Choose From... Which One is Best for You?\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"ORP Test Solution At 200\/275 mV","offer_id":39904551502017,"sku":"HA-7020L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"ORP Test Solution At 240 mV","offer_id":39904551534785,"sku":"HA-7021L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"ORP Test Solution At 470 mV","offer_id":39904551567553,"sku":"HA-7022L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"Reducing Pretreatment Solution","offer_id":39904551600321,"sku":"HA-7091L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"Oxidizing Pretreatment Solution","offer_id":39904551633089,"sku":"HA-7092L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"ORP Test Solution At 240 mV, 230 ml","offer_id":67793669554402,"sku":"HA-7021M","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/240-mv-orp-test-solution-hi7021l__89050.1570475297.jpg?v=1781111051"},{"product_id":"conductivity-calibration-solutions","title":"Conductivity Calibration Solutions","description":"\u003cdiv class=\"shortDesc\" data-mce-fragment=\"1\"\u003eNumerous Solutions to Choose From... Which One is Best for You?\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"84 µS\/cm, 500 ml","offer_id":39904560251073,"sku":"HA-7033L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"1413 μS\/cm, 20 ml Sachets","offer_id":39904560283841,"sku":"HA-70031P","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"1413 μS\/cm, 500 ml","offer_id":39904560316609,"sku":"HA-7031L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"12880 μS\/cm, 20 ml Sachets","offer_id":39904560349377,"sku":"HA-70030P","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"12880 μS\/cm, 500 ml","offer_id":39904560382145,"sku":"HA-7030L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"1413 μS\/cm, 1 L","offer_id":67793668767970,"sku":"HA-7031\/1L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"1413 μS\/cm, 1 US Gallon","offer_id":67793668800738,"sku":"HA-7031\/1G","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"1413 μS\/cm, 230 ml","offer_id":67793668833506,"sku":"HA-7031M","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"12880 μS\/cm, 1 L","offer_id":67793668866274,"sku":"HA-7030\/1L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"12880 μS\/cm, 1 US Gallon","offer_id":67793668899042,"sku":"HA-7030\/1G","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"80000 μS\/cm, 1 L","offer_id":67793668931810,"sku":"HA-7034\/1L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"84 µS\/cm, 1 L","offer_id":67793668964578,"sku":"HA-7033\/1L","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/1413-conductivity-standard-hi7031l__46344.1570474560.jpg?v=1781111081"},{"product_id":"tds-calibration-solutions","title":"TDS Calibration Solutions","description":"\u003cdiv class=\"shortDesc\" data-mce-fragment=\"1\"\u003eNumerous Solutions to Choose From... Which One is Best for You?\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"800 ppm, 20 ml Sachets","offer_id":39904576504001,"sku":"HA-70080P","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"1382 ppm, 20 ml Sachets","offer_id":39904576536769,"sku":"HA-70032P","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"1382 ppm, 500 ml","offer_id":39904576569537,"sku":"HA-7032L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"1500 ppm, 20 ml Sachets","offer_id":39904576602305,"sku":"HA-70442P","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"1500 ppm, 500 ml","offer_id":39904576635073,"sku":"HA-70442L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"6.44 ppt, 20 ml Sachets","offer_id":39904576667841,"sku":"HA-70038P","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/800-tds-standard-sachets-hi70080p__10705.1569873179.jpg?v=1781111090"},{"product_id":"turbidity-calibration-solutions","title":"Turbidity Calibration Solutions","description":"\u003cdiv class=\"shortDesc\" data-mce-fragment=\"1\"\u003eNumerous Solutions to Choose From... Which One is Best for You?\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Calibration Solution At 0 NTU","offer_id":39904580141249,"sku":"HA-93102-0","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"Calibration Solution At 20 NTU","offer_id":39904580174017,"sku":"HA-93102-20","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"Calibration Solution At 0 FTU","offer_id":39904580206785,"sku":"HA-93703-0","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"Calibration Solution At 500 FTU","offer_id":39904580239553,"sku":"HA-93703-05","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"Calibration Solution At 10 FTU","offer_id":39904580272321,"sku":"HA-93703-10","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"Calibration Standards Set For HI98703 \u0026 HI93414","offer_id":67793669259490,"sku":"HA-98703-11","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/AMCO-AEPA-1-Turbidity-Calibration-Solution-20-NTU-HI93102-20__09743.1649770008.jpg?v=1781111113"},{"product_id":"ph-millesimal-calibration-solutions-with-0-002-ph-accuracy","title":"pH Millesimal Calibration Solutions with ± 0.002 pH Accuracy","description":"\u003cdiv class=\"shortDesc\" data-mce-fragment=\"1\"\u003eNumerous Solutions to Choose From... Which One is Best for You?\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"1.000 pH","offer_id":40068967301313,"sku":"HA-6001","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"1.679 pH","offer_id":40068967334081,"sku":"HA-6016","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"2.000 pH","offer_id":40068975820993,"sku":"HA-6002","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/1-ph-millesimal-calibration-solution-hi6001__56980.1563896515.jpg?v=1781128006"},{"product_id":"ise-standards","title":"Hanna Instruments ISE Calibration Standards","description":"\u003cdiv class=\"shortDesc\" data-mce-fragment=\"1\"\u003eNumerous Solutions to Choose From... Which One is Best for You?\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"0.1 M Ammonia","offer_id":40069020614849,"sku":"HA-4001-01","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"100 ppm Ammonia","offer_id":40069020647617,"sku":"HA-4001-02","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"1,000 ppm Ammonia","offer_id":40069020680385,"sku":"HA-4001-03","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"0.1 M Calcium","offer_id":40069020713153,"sku":"HA-4004-01","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"0.1 M Chloride","offer_id":40069020745921,"sku":"HA-4007-01","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"100 ppm Chloride","offer_id":40069020778689,"sku":"HA-4007-02","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"1,000 ppm Chloride","offer_id":40069020811457,"sku":"HA-4007-03","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"0.1 M Fluoride","offer_id":40069020844225,"sku":"HA-4010-01","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"100 ppm Fluoride","offer_id":40069020876993,"sku":"HA-4010-02","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"1,000 ppm Fluoride","offer_id":40069020909761,"sku":"HA-4010-03","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"10 ppm Fluoride (Premixed)","offer_id":40069020942529,"sku":"HA-4010-10","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"1 ppm Fluoride (Premixed)","offer_id":40069020975297,"sku":"HA-4010-11","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"2 ppm Fluoride (Premixed)","offer_id":40069021008065,"sku":"HA-4010-12","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"1 \u0026 10 ppm Fluoride","offer_id":40069021040833,"sku":"HA-4010-30","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"2.3 g\/L Sodium (Na+)","offer_id":67793669456098,"sku":"HA-7080L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"0.23 g\/L Sodium (Na+)","offer_id":67793669488866,"sku":"HA-7087L","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/hi4001-01_5F_5F98919.1568119466.jpg?v=1781128019"},{"product_id":"hanna-quick-calibration-solution-and-turbidity-standards-for-multiparameter-meters","title":"Hanna Quick Calibration Solution and Turbidity Standards for Multiparameter Meters","description":"\u003cp\u003eHanna HI9828 Quick Calibration solution calibrates pH and conductivity in a single point on Hanna's portable multiparameter meters. The HI9829-16, -17 and -18 standards (0, 20 and 200 FNU) calibrate the HI7609829-4 turbidity sensor of the HI9829.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eQuick Calibration: one solution, one point, for pH and conductivity in the field\u003c\/li\u003e\n\u003cli\u003e500 mL bottle (HI9828-25) or 1 gallon (HI9828-27)\u003c\/li\u003e\n\u003cli\u003eTurbidity standards 0, 20 and 200 FNU, 230 mL each, for the HI9829 3-point turbidity calibration\u003c\/li\u003e\n\u003cli\u003eLot number and expiry date on every bottle; air-tight, tamper-proof seal\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"HI9828-25 quick calibration, 500 mL","offer_id":67793468522722,"sku":"HA-9828-25","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"HI9828-27 quick calibration, 1 gal","offer_id":67793468555490,"sku":"HA-9828-27","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"HI9829-16 turbidity standard 0 FNU, 230 mL","offer_id":67793468588258,"sku":"HA-9829-16","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"HI9829-17 turbidity standard 20 FNU, 230 mL","offer_id":67793468621026,"sku":"HA-9829-17","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"HI9829-18 turbidity standard 200 FNU, 230 mL","offer_id":67793468653794,"sku":"HA-9829-18","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/qickcal-calibration-solution-hi9828-25ml_1__07015.1559321278.jpg?v=1792766094"},{"product_id":"hanna-zero-oxygen-solution-and-dissolved-oxygen-probe-consumables","title":"Hanna Zero Oxygen Solution and Dissolved Oxygen Probe Consumables","description":"\u003cp\u003eConsumables for Hanna dissolved oxygen probes: the HI7040L zero oxygen solution for the zero point, screw-cap membranes and electrolyte for polarographic DO probes, a transparent protective cap and the opdo optical probe cap kit. Galvanic membranes (HI76409A\/P) and electrolyte (HI7042S) have their own pages.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHI7040L zero oxygen solution set, 500 mL, two-part, reagent grade\u003c\/li\u003e\n\u003cli\u003eHI76407A\/P PTFE screw-cap membranes and HI7041S electrolyte for polarographic DO probes (HI9146 family)\u003c\/li\u003e\n\u003cli\u003eHI740211 transparent protective cap for DO probes\u003c\/li\u003e\n\u003cli\u003eHI764113-1 opdo probe cap kit for the HI98198 optical DO meter\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Hanna Instruments","offers":[{"title":"HI7040L zero oxygen solution set, 500 mL","offer_id":67793468784866,"sku":"HA-7040L","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"HI76407A\/P polarographic DO membranes, 5 pack","offer_id":67793468817634,"sku":"HA-76407A\/P","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"HI7041S polarographic DO electrolyte, 30 mL","offer_id":67793468850402,"sku":"HA-7041S","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"HI740211 transparent protective cap for DO probes","offer_id":67793468883170,"sku":"HA-740211","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"HI764113-1 opdo optical DO probe cap kit","offer_id":67793468915938,"sku":"HA-764113-1","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"HI76409A\/P-E galvanic DO membrane","offer_id":67793669685474,"sku":"HA-76409A\/P-E","price":0.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/files\/zero-oxygen-solution-set-500-ml-hi7040l__20645.1559321273.jpg?v=1792766097"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0561\/7434\/6433\/collections\/cal_soloutions.jpg?v=1632840205","url":"https:\/\/www.ereinc.com\/en-us\/collections\/calibration-solutions.oembed","provider":"ERE Inc.","version":"1.0","type":"link"}