{"product_id":"digital-ph-meter-pen","title":"Digital pH Meter Pen Tester with Buffer Powders \u0026 Case – Accurate \u0026 Fast Tester","description":"\u003cp data-start=\"107\" data-end=\"522\"\u003eBio Shop™ presents the \u003cstrong data-start=\"130\" data-end=\"154\"\u003eDigital pH Meter Pen\u003c\/strong\u003e, a compact and easy-to-use testing tool designed for DIY skincare makers, cosmetic formulators, soap makers, haircare creators, and laboratory-style home users. Whether you are checking the pH of face wash, shampoo, toner, cream, soap solution, or water-based cosmetic formulas, this digital pH meter helps you measure acidity and alkalinity quickly and conveniently.\u003c\/p\u003e\n\u003cp data-start=\"524\" data-end=\"754\"\u003eWith a wide testing range of \u003cstrong data-start=\"553\" data-end=\"573\"\u003e0.00 to 14.00 pH\u003c\/strong\u003e, a clear LCD display, and one-touch calibration support, this pH meter is an essential tool for anyone who wants to create safer, more balanced, and better-performing formulations.\u003c\/p\u003e\n\u003cp data-start=\"756\" data-end=\"955\"\u003eAt Bio Shop™, we recommend using a pH meter whenever you are making water-based skincare or haircare products, especially formulas containing acids, preservatives, surfactants, or active ingredients.\u003c\/p\u003e\n\u003chr data-start=\"957\" data-end=\"960\"\u003e\n\u003ch2 data-section-id=\"1ma7m6t\" data-start=\"962\" data-end=\"977\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-start=\"979\" data-end=\"1391\"\u003e\n\u003cli data-section-id=\"51qdde\" data-start=\"979\" data-end=\"1018\"\u003eDigital LCD screen for easy reading\u003c\/li\u003e\n\u003cli data-section-id=\"17yll37\" data-start=\"1019\" data-end=\"1057\"\u003eMeasures pH from \u003cstrong data-start=\"1038\" data-end=\"1055\"\u003e0.00 to 14.00\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zc2unv\" data-start=\"1058\" data-end=\"1085\"\u003eResolution: \u003cstrong data-start=\"1072\" data-end=\"1083\"\u003e0.01 pH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ua0595\" data-start=\"1086\" data-end=\"1112\"\u003eAccuracy: \u003cstrong data-start=\"1098\" data-end=\"1110\"\u003e±0.01 pH\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1gvvewo\" data-start=\"1113\" data-end=\"1145\"\u003eOne-touch calibration button\u003c\/li\u003e\n\u003cli data-section-id=\"w7v2zg\" data-start=\"1146\" data-end=\"1174\"\u003eCompact pen-style design\u003c\/li\u003e\n\u003cli data-section-id=\"18ka52r\" data-start=\"1175\" data-end=\"1208\"\u003eLightweight and easy to carry\u003c\/li\u003e\n\u003cli data-section-id=\"cizdf0\" data-start=\"1209\" data-end=\"1245\"\u003eProtective storage case included\u003c\/li\u003e\n\u003cli data-section-id=\"8ji60x\" data-start=\"1246\" data-end=\"1296\"\u003eBuffer powder sachets included for calibration\u003c\/li\u003e\n\u003cli data-section-id=\"1y2ue43\" data-start=\"1297\" data-end=\"1391\"\u003eSuitable for skincare, haircare, soap testing, water testing, and DIY cosmetic formulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1393\" data-end=\"1396\"\u003e\n\u003ch2 data-section-id=\"3ipjz4\" data-start=\"1398\" data-end=\"1423\"\u003eProduct Specifications\u003c\/h2\u003e\n\u003cp data-start=\"1425\" data-end=\"1745\"\u003e\u003cstrong data-start=\"1425\" data-end=\"1442\"\u003eProduct Name:\u003c\/strong\u003e Digital pH Meter Pen\u003cbr data-start=\"1463\" data-end=\"1466\"\u003e\u003cstrong data-start=\"1466\" data-end=\"1486\"\u003eMeasuring Range:\u003c\/strong\u003e 0.00–14.00 pH\u003cbr data-start=\"1500\" data-end=\"1503\"\u003e\u003cstrong data-start=\"1503\" data-end=\"1518\"\u003eResolution:\u003c\/strong\u003e 0.01 pH\u003cbr data-start=\"1526\" data-end=\"1529\"\u003e\u003cstrong data-start=\"1529\" data-end=\"1542\"\u003eAccuracy:\u003c\/strong\u003e ±0.01 pH\u003cbr data-start=\"1551\" data-end=\"1554\"\u003e\u003cstrong data-start=\"1554\" data-end=\"1571\"\u003ePower Supply:\u003c\/strong\u003e 2 × 1.5V LR44 button cells\u003cbr data-start=\"1598\" data-end=\"1601\"\u003e\u003cstrong data-start=\"1601\" data-end=\"1627\"\u003eOperating Temperature:\u003c\/strong\u003e 0°C–60°C\u003cbr data-start=\"1636\" data-end=\"1639\"\u003e\u003cstrong data-start=\"1639\" data-end=\"1655\"\u003eCalibration:\u003c\/strong\u003e Automatic calibration\u003cbr data-start=\"1677\" data-end=\"1680\"\u003e\u003cstrong data-start=\"1680\" data-end=\"1689\"\u003eSize:\u003c\/strong\u003e Approx. 155mm × 31mm × 18mm\u003cbr data-start=\"1717\" data-end=\"1720\"\u003e\u003cstrong data-start=\"1720\" data-end=\"1731\"\u003eWeight:\u003c\/strong\u003e Approx. 50g\u003c\/p\u003e\n\u003chr data-start=\"1747\" data-end=\"1750\"\u003e\n\u003ch2 data-section-id=\"xydb7h\" data-start=\"1752\" data-end=\"1770\"\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul data-start=\"1772\" data-end=\"1963\"\u003e\n\u003cli data-section-id=\"bzihp8\" data-start=\"1772\" data-end=\"1800\"\u003e1 × Digital pH Meter Pen\u003c\/li\u003e\n\u003cli data-section-id=\"sb3c1e\" data-start=\"1801\" data-end=\"1832\"\u003e1 × Protective Storage Case\u003c\/li\u003e\n\u003cli data-section-id=\"nn15k5\" data-start=\"1833\" data-end=\"1860\"\u003e1 × Instruction Leaflet\u003c\/li\u003e\n\u003cli data-section-id=\"vqkrxc\" data-start=\"1861\" data-end=\"1963\"\u003epH Buffer Powder Sachets\n\u003cul data-start=\"1892\" data-end=\"1963\"\u003e\n\u003cli data-section-id=\"1uyqcyy\" data-start=\"1892\" data-end=\"1903\"\u003epH 4.00\u003c\/li\u003e\n\u003cli data-section-id=\"1w6ca1y\" data-start=\"1906\" data-end=\"1917\"\u003epH 6.86\u003c\/li\u003e\n\u003cli data-section-id=\"1imaokz\" data-start=\"1920\" data-end=\"1963\"\u003epH 9.18, depending on kit variant\/stock\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1965\" data-end=\"1968\"\u003e\n\u003ch2 data-section-id=\"ah98b9\" data-start=\"1970\" data-end=\"1982\"\u003eBest Uses\u003c\/h2\u003e\n\u003cp data-start=\"1984\" data-end=\"2020\"\u003eThis pH meter is useful for testing:\u003c\/p\u003e\n\u003cul data-start=\"2022\" data-end=\"2259\"\u003e\n\u003cli data-section-id=\"9fn4mc\" data-start=\"2022\" data-end=\"2035\"\u003eFace wash\u003c\/li\u003e\n\u003cli data-section-id=\"amgkkv\" data-start=\"2036\" data-end=\"2047\"\u003eShampoo\u003c\/li\u003e\n\u003cli data-section-id=\"1ibhq18\" data-start=\"2048\" data-end=\"2063\"\u003eConditioner\u003c\/li\u003e\n\u003cli data-section-id=\"13sdsmi\" data-start=\"2064\" data-end=\"2073\"\u003eToner\u003c\/li\u003e\n\u003cli data-section-id=\"1v4d5h0\" data-start=\"2074\" data-end=\"2083\"\u003eSerum\u003c\/li\u003e\n\u003cli data-section-id=\"1jlsjdw\" data-start=\"2084\" data-end=\"2106\"\u003eCreams and lotions\u003c\/li\u003e\n\u003cli data-section-id=\"1zwyqk\" data-start=\"2107\" data-end=\"2124\"\u003eSoap solution\u003c\/li\u003e\n\u003cli data-section-id=\"17us6p5\" data-start=\"2125\" data-end=\"2140\"\u003eLiquid soap\u003c\/li\u003e\n\u003cli data-section-id=\"16l8apy\" data-start=\"2141\" data-end=\"2160\"\u003eHerbal extracts\u003c\/li\u003e\n\u003cli data-section-id=\"9j9spv\" data-start=\"2161\" data-end=\"2174\"\u003eHydrosols\u003c\/li\u003e\n\u003cli data-section-id=\"1p71ek5\" data-start=\"2175\" data-end=\"2208\"\u003eWater-based cosmetic formulas\u003c\/li\u003e\n\u003cli data-section-id=\"f1vl8c\" data-start=\"2209\" data-end=\"2233\"\u003eDIY skincare batches\u003c\/li\u003e\n\u003cli data-section-id=\"dhyv7h\" data-start=\"2234\" data-end=\"2259\"\u003eGeneral water testing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2261\" data-end=\"2264\"\u003e\n\u003ch2 data-section-id=\"1urcob5\" data-start=\"2266\" data-end=\"2296\"\u003eWhy pH Testing Is Important\u003c\/h2\u003e\n\u003cp data-start=\"2298\" data-end=\"2485\"\u003epH balance is very important in cosmetic making. Agar product ka pH skin ya hair ke liye suitable na ho, to irritation, dryness, instability, ya preservative failure ka risk ho sakta hai.\u003c\/p\u003e\n\u003cp data-start=\"2487\" data-end=\"2499\"\u003eFor example:\u003c\/p\u003e\n\u003cul data-start=\"2501\" data-end=\"2746\"\u003e\n\u003cli data-section-id=\"vsqcoh\" data-start=\"2501\" data-end=\"2560\"\u003eFacial skincare products are usually kept mildly acidic\u003c\/li\u003e\n\u003cli data-section-id=\"1vo3y04\" data-start=\"2561\" data-end=\"2622\"\u003eShampoo and conditioner need suitable pH for hair comfort\u003c\/li\u003e\n\u003cli data-section-id=\"4017s1\" data-start=\"2623\" data-end=\"2683\"\u003ePreservatives often work only within a specific pH range\u003c\/li\u003e\n\u003cli data-section-id=\"10f2zpc\" data-start=\"2684\" data-end=\"2746\"\u003eAcid-based products require careful pH checking before use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2748\" data-end=\"2824\"\u003eThis pH meter helps makers check formulas more confidently before final use.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-2 -mb-1 text-base font-bold\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cdiv class=\"overflow-x-auto w-full px-2 mb-6\"\u003e\n\u003ctable class=\"min-w-full border-collapse text-sm leading-[1.7] whitespace-normal\"\u003e\n\u003cthead class=\"text-left\"\u003e\n\u003ctr\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003eFeature\u003c\/th\u003e\n\u003cth scope=\"col\" class=\"text-text-100 border-b-0.5 border-border-300\/60 py-2 pr-4 align-top font-bold\"\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eMeasuring Range\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e0.00 – 14.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eResolution\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e±0.01 pH (with 3-point calibration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e0°C – 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eCalibration\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e3-point automatic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003ePower\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e2× 1.5V LR44 button cells\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eDimensions\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e155mm × 31mm × 18mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eWeight\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003e50g (1.7oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eCertification\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eBest For\u003c\/td\u003e\n\u003ctd class=\"border-b-0.5 border-border-300\/30 py-2 pr-4 align-top\"\u003eDIY cosmetics, hobbyist formulation, educational use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003chr data-start=\"2826\" data-end=\"2829\"\u003e\n\u003ch2 data-section-id=\"peqbl9\" data-start=\"2831\" data-end=\"2844\"\u003eHow to Use\u003c\/h2\u003e\n\u003col data-start=\"2846\" data-end=\"3336\"\u003e\n\u003cli data-section-id=\"16kf8p4\" data-start=\"2846\" data-end=\"2877\"\u003eRemove the protective cap.\u003c\/li\u003e\n\u003cli data-section-id=\"1oau1un\" data-start=\"2878\" data-end=\"2924\"\u003eRinse the electrode with distilled water.\u003c\/li\u003e\n\u003cli data-section-id=\"krzmz9\" data-start=\"2925\" data-end=\"2975\"\u003eGently dry with clean tissue or filter paper.\u003c\/li\u003e\n\u003cli data-section-id=\"1h7np7c\" data-start=\"2976\" data-end=\"3009\"\u003ePress the \u003cstrong data-start=\"2989\" data-end=\"2999\"\u003eON\/OFF\u003c\/strong\u003e button.\u003c\/li\u003e\n\u003cli data-section-id=\"z00wg0\" data-start=\"3010\" data-end=\"3110\"\u003eDip the electrode into the solution to be tested. Do not immerse above the safe immersion line.\u003c\/li\u003e\n\u003cli data-section-id=\"1gv0659\" data-start=\"3111\" data-end=\"3184\"\u003eStir gently and wait around 30 seconds for the reading to stabilize.\u003c\/li\u003e\n\u003cli data-section-id=\"1ilwl09\" data-start=\"3185\" data-end=\"3230\"\u003eNote the pH reading from the LCD screen.\u003c\/li\u003e\n\u003cli data-section-id=\"1eeu266\" data-start=\"3231\" data-end=\"3288\"\u003eAfter use, rinse the electrode with distilled water.\u003c\/li\u003e\n\u003cli data-section-id=\"14h3gyr\" data-start=\"3289\" data-end=\"3336\"\u003eDry gently and replace the protective cap.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr data-start=\"3338\" data-end=\"3341\"\u003e\n\u003ch2 data-section-id=\"1ndvjbk\" data-start=\"3343\" data-end=\"3364\"\u003eCalibration Method\u003c\/h2\u003e\n\u003cp data-start=\"3366\" data-end=\"3433\"\u003eFor accurate results, calibrate the meter before important testing.\u003c\/p\u003e\n\u003col data-start=\"3435\" data-end=\"3920\"\u003e\n\u003cli data-section-id=\"1ulewu\" data-start=\"3435\" data-end=\"3536\"\u003ePrepare calibration solution by mixing each buffer powder sachet with \u003cstrong data-start=\"3508\" data-end=\"3533\"\u003e250ml distilled water\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli data-section-id=\"14uw7rh\" data-start=\"3537\" data-end=\"3597\"\u003eUse separate clean containers for each buffer solution.\u003c\/li\u003e\n\u003cli data-section-id=\"q7d4e8\" data-start=\"3598\" data-end=\"3624\"\u003eTurn on the pH meter.\u003c\/li\u003e\n\u003cli data-section-id=\"1npzewt\" data-start=\"3625\" data-end=\"3681\"\u003ePlace the electrode in the pH 6.86 buffer solution.\u003c\/li\u003e\n\u003cli data-section-id=\"1i2ekvm\" data-start=\"3682\" data-end=\"3741\"\u003ePress and hold the \u003cstrong data-start=\"3704\" data-end=\"3711\"\u003eCAL\u003c\/strong\u003e button for about 5 seconds.\u003c\/li\u003e\n\u003cli data-section-id=\"139cwo2\" data-start=\"3742\" data-end=\"3780\"\u003eWait until calibration completes.\u003c\/li\u003e\n\u003cli data-section-id=\"1keoz8g\" data-start=\"3781\" data-end=\"3843\"\u003eRinse with distilled water before testing another buffer.\u003c\/li\u003e\n\u003cli data-section-id=\"p5xe8u\" data-start=\"3844\" data-end=\"3920\"\u003eRepeat with pH 4.00 and pH 9.18 if three-point calibration is required.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp data-start=\"3922\" data-end=\"4031\"\u003eFor general DIY use, pH 6.86 calibration is usually enough. For higher accuracy, use all three buffer points.\u003c\/p\u003e\n\u003chr data-start=\"4033\" data-end=\"4036\"\u003e\n\u003ch2 data-section-id=\"ibh3nq\" data-start=\"4038\" data-end=\"4057\"\u003eMaintenance Tips\u003c\/h2\u003e\n\u003cul data-start=\"4059\" data-end=\"4449\"\u003e\n\u003cli data-section-id=\"v5dsd\" data-start=\"4059\" data-end=\"4100\"\u003eAlways rinse the electrode after use.\u003c\/li\u003e\n\u003cli data-section-id=\"oxyp7v\" data-start=\"4101\" data-end=\"4138\"\u003eDo not store the electrode dirty.\u003c\/li\u003e\n\u003cli data-section-id=\"1lrihjg\" data-start=\"4139\" data-end=\"4190\"\u003eDo not scratch or touch the sensor tip roughly.\u003c\/li\u003e\n\u003cli data-section-id=\"ry1tvq\" data-start=\"4191\" data-end=\"4239\"\u003eAlways replace the protective cap after use.\u003c\/li\u003e\n\u003cli data-section-id=\"1kwchaw\" data-start=\"4240\" data-end=\"4328\"\u003eIf the electrode becomes dry, soak it in distilled water for a few hours before use.\u003c\/li\u003e\n\u003cli data-section-id=\"1cvysol\" data-start=\"4329\" data-end=\"4405\"\u003eReplace the batteries if the display becomes weak, unclear, or unstable.\u003c\/li\u003e\n\u003cli data-section-id=\"1fvswmf\" data-start=\"4406\" data-end=\"4449\"\u003eStore the meter in its protective case.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4451\" data-end=\"4454\"\u003e\n\u003ch2 data-section-id=\"9fj467\" data-start=\"4456\" data-end=\"4489\"\u003eImportant Safety \u0026amp; Usage Notes\u003c\/h2\u003e\n\u003cp data-start=\"4491\" data-end=\"4655\"\u003eThis pH meter is a measuring tool, not a medical device. Results may vary depending on calibration, liquid temperature, sample preparation, and electrode condition.\u003c\/p\u003e\n\u003cp data-start=\"4657\" data-end=\"4870\"\u003eFor cosmetic formulation, always test pH in a properly diluted or fully mixed sample. Thick creams, gels, and emulsions should be tested carefully because very thick textures may not give stable readings directly.\u003c\/p\u003e\n\u003cp data-start=\"4872\" data-end=\"4939\"\u003eUse distilled water for calibration and cleaning whenever possible.\u003c\/p\u003e","brand":"Bio Shop","offers":[{"title":"Default Title","offer_id":51214102135099,"sku":null,"price":1650.0,"currency_code":"PKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0904\/3168\/4923\/files\/DigitalPHMeter.webp?v=1777931294","url":"https:\/\/bioshop.pk\/products\/digital-ph-meter-pen","provider":"BioShop™ Pakistan","version":"1.0","type":"link"}