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In use, probes can be contaminated and regular calibration helps minimise performance issues.\u003c\/p\u003e\n\u003cp\u003eConductivity Solution HR = 12.88mS\/cm,\u003c\/p\u003e\n\u003cp\u003e500ml\u003c\/p\u003e\n\u003cp\u003eSku: PT142-2\u003c\/p\u003e","brand":"Palintest","offers":[{"title":"Default Title","offer_id":40354213068951,"sku":"PT 142-2","price":26.37,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/1_bd276c91-1d5e-448c-9196-53ff9cbff622.jpg?v=1746104956"},{"product_id":"palintest-tds-mid-range-conductivity-solution-500-ml-1","title":"Palintest TDS Mid Range Conductivity Solution, 500 ml","description":"\u003cp\u003ePalintest offer a range of calibration solutions for your electrochemical instrument.\u003c\/p\u003e\n\u003cp\u003eRegular calibration of probes against reliable reference is essential to ensure confidence in your results.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e1412µS KCI Conductivity Solution (500ml)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePalintest offer a range of calibration solutions for your electrochemical instrument.\u003c\/p\u003e\n\u003cp\u003eRegular calibration of probes against reliable reference is essential to ensure confidence in your results.\u003c\/p\u003e\n\u003cp\u003eIn use, probes can be contaminated and regular calibration helps minimise performance issues.\u003c\/p\u003e\n\u003cp\u003eEnsure you have the correct solution for your instrument:\u003c\/p\u003e\n\u003cp\u003e1412µS KCI Conductivity Solution (500ml)\u003c\/p\u003e","brand":"Palintest","offers":[{"title":"Default Title","offer_id":40354310750359,"sku":"PT 142-3","price":26.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/1_a5232818-8763-499d-9ad1-6de19211df30.jpg?v=1731937801"},{"product_id":"tds-calibration-solution-500ml-300-ppm-1","title":"Palintest TDS Calibration Solution 500ml 300 PPM","description":"\u003cp\u003eRegular calibration of electrochemical products is essential to be confident in the data you're producing.\u003c\/p\u003e\n\u003cp\u003eWhether it's pH, ORP, TDS, Conductivity or DO, we have the solution for you.\u003c\/p\u003e\n\u003cp\u003eThe reliable operation of a electrochemical instrument can only be verified by periodic calibration against a dependable reference.\u003c\/p\u003e\n\u003cp\u003ePalintest TDS Calibration Solutions are provided in 500ml HDPE bottles.\u003c\/p\u003e\n\u003cp\u003eManufactured with a conductivity meter calibrated in accordance with ASTM D1125-95, you can be confident that your instrument is producing the accurate data needed for your application.\u003c\/p\u003e\n\u003cp\u003eAll Liquids are supplied with at least three months shelf life\u003c\/p\u003e\n\u003cp\u003eRegular calibration of electrochemical products is essential to be confident in the data you're producing.\u003c\/p\u003e\n\u003cp\u003eAll Liquids are supplied with at least three months shelf life\u003c\/p\u003e\n\u003cp\u003eSKU: PT142\/9\u003c\/p\u003e","brand":"Palintest","offers":[{"title":"Default Title","offer_id":40354316157079,"sku":"PT 142-9","price":31.32,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/products\/pt142-9_773cfd12-bb47-4b99-af7a-7a222a72cd10.jpg?v=1624277779"},{"product_id":"hanna-instruments-50021p-check-solution-20ml-25-sachets","title":"Hanna Instruments-50021P Check Solution, 20mL, 25 sachets","description":"\u003cp\u003eHanna Instruments-50021P is a premium quality calibration check solution used exclusively for the Hanna Instruments-9813-6 portable pH\/EC\/TDS\/Temperature meter. Each sachet has the lot number and expiry date stamped on it and is made of light block foil ensuring freshness each time one is opened.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe Hanna Instruments-50021P has 25 single use sachets containing 20 mL of solution that is used to verify the calibration and functionality of the pH electrode.\u003c\/p\u003e\u003cbr\u003e\u003cdiv class=\"row\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-row section 1\" id=\"description\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-text col-xs-12 rem-p-l rem-p-r\"\u003e\n\u003cbr\u003e\u003cp\u003eHanna Instruments-50021P is a premium quality calibration check solution produced in accordance with ISO 3696\/BS3978 standards using high purity salts, deionized water, certified weight-checked balances, and Class A glassware in a temperature controlled environment monitored with certified thermometers. It is specially formulated for use with the Hanna Instruments-9813-6 portable pH\/EC\/TDS\/Temperature meter. It allows the user to check the meter’s calibration status at any time by simply rinsing the probe with water and immersing it in the solution. The meter will indicate the probe’s condition.\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\u003cbr\u003e\u003cdiv class=\"row\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-row section two\"\u003e\n\u003cbr\u003e\u003cdiv class=\"section-text col-xs-12 col-sm-6 add-p-r\"\u003e\n\u003cbr\u003e\u003ch3\u003eConvenience of individual packaging\u003c\/h3\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eIdeal for field use due to portability\u003c\/li\u003e\n\u003cbr\u003e\u003cli\u003eEvery sachet is as fresh as the day it was packaged\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003ch3\u003eEach sachet marked with lot number and expiry date\u003c\/h3\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003eHanna solutions are specially formulated to have an expiry of 5 years from manufacture for an unopened sachet.\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\u003ch3\u003eLight block packaging\u003c\/h3\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\u003cli\u003ePrevents any oxidation from UV light that could affect quality\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\u003cdiv class=\"section-text col-xs-12 col-sm-6 add-p-l\"\u003e\n\u003cbr\u003e\u003ch3\u003eCAL-CHECK™ FEATURE \/ CLEAN \u0026amp; CAL PROCEDURE\u003c\/h3\u003e\n\u003cbr\u003e\u003cp\u003eThe unique Cal-Check™ feature allows the user to check the meter calibration status at any time. Simply follow the procedure outlined below for a quick assessment of the calibration status.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e1) Rinse the probe with water.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e2) Immerse the probe in the Hanna Instruments-50021 check solution.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e3) Press the Check key.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e4) If the meter is calibrated “Probe is OK” message is displayed.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e5) If cleaning is needed “Clean Probe and Calibrate” message is displayed.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e6) Immerse the probe in appropriate cleaning solution (i.e. Hanna Instruments-700661) for 5 minutes, then rinse it with tap water.\u003c\/p\u003e\n\u003cbr\u003e\u003cp\u003e7) Immerse again in the Hanna Instruments-50021 check solution and press the CHECK key. If the message “Probe is OK” is displayed, the meter does not need calibration. If the message “Clean Probe and Calibrate” is displayed then calibration must be performed.\u003c\/p\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/div\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":40354393489559,"sku":"HI-50021P","price":49.02,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/products\/hi-50021p_check_solution_20ml_25_sachets_2b7a42e3-cccc-4ab6-8335-ee38df2cd4b4.jpg?v=1624279332"},{"product_id":"hanna-instruments-70442l-1500-mg-l-ppm-tds-calibration-solution-500-ml-bottle","title":"Hanna Instruments-70442L 1500 mg\/L (ppm) TDS Calibration Solution, 500 mL bottle","description":"\u003cp\u003eMaximum accuracy is high on the agenda here at Hanna. Browse our Total Dissolved Solids (TDS) Calibration Solutions specifically produced for Conductivity meters and electrodes.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eHanna conductivity electrodes can be calibrated in just a few minutes, wherever you are working, thanks to our range of TDS solutions in different forms and values. Sachets, for instance, could be very useful out in the field as well as the laboratory.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eEach label shows the product batch number, expiry date, and a conductivity\/temperature correlation table. TDS value is calculated at 25 C.\u003c\/p\u003e\u003cbr\u003e\u003ch3\u003eHanna Instruments-70442L TDS Calibration Solutions 1500mg\/L 500ml\u003c\/h3\u003e\u003cbr\u003e\u003cp\u003eHanna Instruments-70442L is a 500 mL bottle of 1500mg\/L (ppm) TDS solution supplied with a certificate of analysis on request.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eTotal Dissolved Solids (TDS) meters are vital to the water industry so accurate readings are essential. Make sure your electrode is giving accurate readings by using Hanna TDS Calibration Solution available in bottles and sachets. TDS Solutions are produced with high quality Potassium Chloride in various concentrations to NIST standards.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eTDS Calibration solution is available in 1382mg\/L, 6.44 g\/L, 12.41 g\/L, 800mg\/L, 1500mg\/L concentrations in 230ml, 500ml bottles or 25 x 20ml sachets.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eUsers who require documented accuracy can purchase TDS Solutions complete with a Certificate of Analysis on various codes. Certification can also be supplied on many of the standard purchases on request.\u003c\/p\u003e\u003cbr\u003e\u003ch3\u003eAlso see Salinity Calibration Solutions\u003c\/h3\u003e\u003cbr\u003e\u003cp\u003eFor accurate salinity readings, select Hanna Salinity Calibration Solution available in 500ml or 230ml bottles. 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So, with this in mind, browse our Total Dissolved Solids (TDS) Calibration Solutions specifically produced for Conductivity meters and electrodes.\u003c\/p\u003e\n\u003cp\u003eHanna conductivity electrodes can be calibrated in just a few minutes, wherever you are working, thanks to our range of TDS solutions in different forms and values. Sachets, for instance, could be very useful out in the field as well as the laboratory.\u003c\/p\u003e\n\u003cp\u003eEach label shows the product batch number, expiry date, and a conductivity\/temperature correlation table. TDS value is calculated at 25 C.\u003c\/p\u003e\n\u003ch3\u003eHanna Instruments-70442P TDS Calibration Solutions 1500mg\/L 25 x 20ml sachets\u003c\/h3\u003e\n\u003cp\u003eHanna Instruments-70442P is a 1500mg\/L (ppm) TDS solution available in 25 x 20ml sachets.\u003c\/p\u003e\n\u003cp\u003eTotal Dissolved Solids (TDS) meters are vital to the water industry so accurate readings are essential. Make sure your electrode is giving accurate readings by using Hanna TDS Calibration Solution available in bottles and sachets. TDS Solutions are produced with high quality Potassium Chloride in various concentrations to NIST standards.\u003c\/p\u003e\n\u003cp\u003eTDS Calibration solution is available in 1382mg\/L, 6.44 g\/L, 12.41 g\/L, 800mg\/L, 1500mg\/L concentrations in 230ml, 500ml bottles or 25 x 20ml sachets.\u003c\/p\u003e\n\u003cp\u003eUsers who require documented accuracy can purchase TDS Solutions complete with a Certificate of Analysis on various codes. Certification can also be supplied on many of the standard purchases on request.\u003c\/p\u003e\n\u003ch3\u003eAlso see Salinity Calibration Solutions\u003c\/h3\u003e\n\u003cp\u003eFor accurate salinity readings, select Hanna Salinity Calibration Solution available in 500ml or 230ml bottles. Specifically designed for use with meters measuring salt levels in sea water.\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":40354440413335,"sku":"HI-70442P","price":37.62,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/1500ppm-tds-sol-sachets-25-pieces-of-each.jpg?v=1732284751"},{"product_id":"hanna-instruments-70442m-1500-mg-l-ppm-tds-calibration-solution-230-ml-bottle","title":"Hanna Instruments-70442M 1500 mg\/L (ppm) TDS Calibration Solution, 250mL bottle","description":"\u003cp\u003eMaximum accuracy is high on the agenda here at Hanna. So, with this in mind, browse our Total Dissolved Solids (TDS) Calibration Solutions specifically produced for Conductivity meters and electrodes.\u003c\/p\u003e\n\u003cp\u003eHanna conductivity electrodes can be calibrated in just a few minutes, wherever you are working, thanks to our range of TDS solutions in different forms and values. Sachets, for instance, could be very useful out in the field as well as the laboratory.\u003c\/p\u003e\n\u003cp\u003eEach label shows the product batch number, expiry date, and a conductivity\/temperature correlation table. TDS value is calculated at 25 C.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Hanna Instruments-70442M is a 250mL bottle of 1500mg\/L (ppm) TDS solution supplied with a certificate of analysis on request.\u003c\/p\u003e\n\u003cp\u003eTotal Dissolved Solids (TDS) meters are vital to the water industry so accurate readings are essential. Make sure your electrode is giving accurate readings by using Hanna TDS Calibration Solution available in bottles and sachets. 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EC44250BT\u003c\/p\u003e","brand":"Eutech","offers":[{"title":"EC44250BT","offer_id":55155942261109,"sku":"EC44250BT","price":26.87,"currency_code":"GBP","in_stock":true},{"title":"EC44250BT-Expiry 11\/25","offer_id":56409059852661,"sku":"EC44250BT-Expiry 11\/25","price":10.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/5511\/6439\/files\/31OoSK5feiL.jpg-650.jpg?v=1738941465"},{"product_id":"eutech-300-ppm-442-calibration-solution-1","title":"Eutech 300 ppm 442 Calibration Solution","description":"\u003cp\u003e\u003cspan\u003eBuffers and calibration solutions packed in 480 ml durable plastic bottles – economical and convenient for laboratory use.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eSku: EC442300BT\u003c\/p\u003e","brand":"Eutech","offers":[{"title":"Default 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Certification can also be supplied on many of the standard purchases on request.\u003c\/p\u003e \u003ch3\u003eAlso see Salinity Calibration Solutions\u003c\/h3\u003e \u003cp\u003eFor accurate salinity readings, select Hanna Salinity Calibration Solution available in 500ml or 230ml bottles. 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