{"id":1582173765,"title":"HANNA HI 99191 pH Meter For Low Ionic Strength Water","handle":"hi99191","description":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv id=\"Product-Body\"\u003e\n\u003cp class=\"Default\"\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e•   \u003c\/span\u003e\u003cspan\u003eEasy to clean and keep clean\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e•\u003c\/span\u003e\u003cspan\u003e   Specialized electrode\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e•   \u003c\/span\u003e\u003cspan\u003eMulit-level LCD display\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e•   \u003c\/span\u003e\u003cspan\u003eOn-screen tutorial messages for calibration and set up\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e•   \u003c\/span\u003e\u003cspan\u003eAutomatic \u003cspan id=\"y0l79i_2\" class=\"y0l79i\"\u003eTemperature Compensation\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e•\u003c\/span\u003e\u003cspan\u003e   Automatic one or two point calibration\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003e  BEPS. Alerts the user in the even that low battery power could adversley affect the readings\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003e  Battery % displayed on startup\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e•   \u003c\/span\u003e\u003cspan\u003eCompact. heavy duty. and waterproof\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e\u003cspan\u003eThe \u003cspan id=\"y0l79i_1\" class=\"y0l79i\"\u003eHanna Instruments\u003c\/span\u003e HI 99191 is a waterproof portable pH\/temperature meter designed specifically for measuring the pH of drinking water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e\u003cspan\u003eThe pH of \u003cspan id=\"y0l79i_3\" class=\"y0l79i\"\u003edrinking water\u003c\/span\u003e is a vital measurement. If the pH is on the acidic side then the water will be corrosive to the distribution system and water pipes in homes. The pH of water also influences other properties including taste. odor. clarity. and disinfection. In the United States the pH of water is determined by a pH meter according to EPA method 150.1 and Standard Methods 4500-H.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e\u003cspan\u003eMost drinking water plants use either surface water  (lakes. rivers. and streams) or groundwater as their point source. Surface water is typically lower in mineral content resulting in lower conductivity\/TDS readings. Groundwater that has percolated through limestone. dolomite or gypsum will have a higher mineral content than surface water. There are sources of groundwater that are also very low in mineral content.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e\u003cspan\u003e\u003cspan\u003eMeasuring pH of water low in minerals is difficult. The lower the mineral content the less conductive the water will be. Low conductivity water presents a challenge since the pH meter is an electrochemical system that relies the solution being measured to be conductive. The HI 99191 uses the FC 215 amplified pH electrode. The FC 215 has three ceramic junction s in the outer reference call that allows for pH measurement in low conductivity solutions. \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e\u003cspan\u003e\u003cspan\u003eThe 99191 measures pH from -2.00 to 16.00 pH and temperature from -5.0 to 105.0 oC  (23.0 to 221.0 oF). Automatic calibration is done at 1 or 2 points and all readings are automatically compensated for temperature variations. Indicators for stability. battery percentage. and calibration instructions are viewed on the primary display. The HI 99191 uses three 1.5V AAA batteries for an exceptional battery life of 1200 hours of continuous use.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e \u003c\/p\u003e\n\u003cp\u003e \u003cspan id=\"_mce_caret\" data-mce-bogus=\"true\" style=\"\"\u003e\u003cstrong\u003e?SPECIFICATIONS:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv id=\"TabbedPanels1\" class=\"TabbedPanels\"\u003e\u003cdiv class=\"TabbedPanelsContentGroup\"\u003e\u003cdiv class=\"TabbedPanelsContent TabbedPanelsContentVisible\"\u003e\n\u003ctable class=\"spec_table mceItemTable\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Range\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e-2.00 to 16.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Resolution\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Accuracy @ 20°C\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e±0.02 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Electrode\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eFC 215 pre-amplified pH electrode with internal temperature sensor. DIN connector. 1 m (3.3’) cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e-5.0 to 105.0°C\/23.0 to 221.0°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Resolution\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e0.1°C\/0.1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Accuracy @ 20°C\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e±0.5°C (up to 60°C). ±1.0°C (outside) \/ ±1.0°F (up to 140°F); ±2.0°F (outside)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Compensation\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eautomatic. -5.0 to 105.0ºC (23 to 221ºF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\/Life\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e1.5V (3) AAA \/ approximately 1200 hours of continuous use.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ctable class=\"spec_table mceItemTable\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eElectrodes\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=025002\u0026amp;ProdCode=FC%20215\" data-mce-href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=025002\u0026amp;ProdCode=FC%20215\"\u003eFC 215\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH Electrode for the HI 99191\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e","published_at":"2026-06-25T16:09:39+12:00","created_at":"2015-09-01T15:16:44+12:00","vendor":"Hanna Instruments","type":"Electrochemical","tags":["Manufacturer_Hanna Instruments","Type_pH \u0026 ORP Meters"],"price":80750,"price_min":80750,"price_max":80750,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":4857310085,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HI99191","requires_shipping":false,"taxable":true,"featured_image":null,"available":true,"name":"HANNA HI 99191 pH Meter For Low Ionic Strength Water","public_title":null,"options":["Default Title"],"price":80750,"weight":0,"compare_at_price":null,"inventory_quantity":1,"inventory_management":null,"inventory_policy":"deny","barcode":null,"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/acornsci.co.nz\/cdn\/shop\/products\/hi99191_200_2015.jpeg?v=1443495730"],"featured_image":"\/\/acornsci.co.nz\/cdn\/shop\/products\/hi99191_200_2015.jpeg?v=1443495730","options":["Title"],"media":[{"alt":null,"id":21303033955,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/hi99191_200_2015.jpeg?v=1443495730"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/hi99191_200_2015.jpeg?v=1443495730","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv id=\"Product-Body\"\u003e\n\u003cp class=\"Default\"\u003e\u003cspan\u003eFeatures\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e•   \u003c\/span\u003e\u003cspan\u003eEasy to clean and keep clean\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e•\u003c\/span\u003e\u003cspan\u003e   Specialized electrode\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e•   \u003c\/span\u003e\u003cspan\u003eMulit-level LCD display\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e•   \u003c\/span\u003e\u003cspan\u003eOn-screen tutorial messages for calibration and set up\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e•   \u003c\/span\u003e\u003cspan\u003eAutomatic \u003cspan id=\"y0l79i_2\" class=\"y0l79i\"\u003eTemperature Compensation\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e•\u003c\/span\u003e\u003cspan\u003e   Automatic one or two point calibration\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003e  BEPS. Alerts the user in the even that low battery power could adversley affect the readings\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e• \u003c\/span\u003e\u003cspan\u003e  Battery % displayed on startup\u003c\/span\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa4\"\u003e\u003cspan\u003e\u003cspan\u003e•   \u003c\/span\u003e\u003cspan\u003eCompact. heavy duty. and waterproof\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e\u003cspan\u003eThe \u003cspan id=\"y0l79i_1\" class=\"y0l79i\"\u003eHanna Instruments\u003c\/span\u003e HI 99191 is a waterproof portable pH\/temperature meter designed specifically for measuring the pH of drinking water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e\u003cspan\u003eThe pH of \u003cspan id=\"y0l79i_3\" class=\"y0l79i\"\u003edrinking water\u003c\/span\u003e is a vital measurement. If the pH is on the acidic side then the water will be corrosive to the distribution system and water pipes in homes. The pH of water also influences other properties including taste. odor. clarity. and disinfection. In the United States the pH of water is determined by a pH meter according to EPA method 150.1 and Standard Methods 4500-H.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e\u003cspan\u003eMost drinking water plants use either surface water  (lakes. rivers. and streams) or groundwater as their point source. Surface water is typically lower in mineral content resulting in lower conductivity\/TDS readings. Groundwater that has percolated through limestone. dolomite or gypsum will have a higher mineral content than surface water. There are sources of groundwater that are also very low in mineral content.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e\u003cspan\u003e\u003cspan\u003eMeasuring pH of water low in minerals is difficult. The lower the mineral content the less conductive the water will be. Low conductivity water presents a challenge since the pH meter is an electrochemical system that relies the solution being measured to be conductive. The HI 99191 uses the FC 215 amplified pH electrode. The FC 215 has three ceramic junction s in the outer reference call that allows for pH measurement in low conductivity solutions. \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e\u003cspan\u003e\u003cspan\u003eThe 99191 measures pH from -2.00 to 16.00 pH and temperature from -5.0 to 105.0 oC  (23.0 to 221.0 oF). Automatic calibration is done at 1 or 2 points and all readings are automatically compensated for temperature variations. Indicators for stability. battery percentage. and calibration instructions are viewed on the primary display. The HI 99191 uses three 1.5V AAA batteries for an exceptional battery life of 1200 hours of continuous use.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Pa1\"\u003e \u003c\/p\u003e\n\u003cp\u003e \u003cspan id=\"_mce_caret\" data-mce-bogus=\"true\" style=\"\"\u003e\u003cstrong\u003e?SPECIFICATIONS:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv id=\"TabbedPanels1\" class=\"TabbedPanels\"\u003e\u003cdiv class=\"TabbedPanelsContentGroup\"\u003e\u003cdiv class=\"TabbedPanelsContent TabbedPanelsContentVisible\"\u003e\n\u003ctable class=\"spec_table mceItemTable\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Range\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e-2.00 to 16.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Resolution\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Accuracy @ 20°C\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e±0.02 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Electrode\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eFC 215 pre-amplified pH electrode with internal temperature sensor. DIN connector. 1 m (3.3’) cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e-5.0 to 105.0°C\/23.0 to 221.0°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Resolution\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e0.1°C\/0.1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Accuracy @ 20°C\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e±0.5°C (up to 60°C). ±1.0°C (outside) \/ ±1.0°F (up to 140°F); ±2.0°F (outside)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Compensation\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eautomatic. -5.0 to 105.0ºC (23 to 221ºF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\/Life\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e1.5V (3) AAA \/ approximately 1200 hours of continuous use.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ctable class=\"spec_table mceItemTable\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003cth\u003eElectrodes\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=025002\u0026amp;ProdCode=FC%20215\" data-mce-href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=025002\u0026amp;ProdCode=FC%20215\"\u003eFC 215\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003epH Electrode for the HI 99191\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e"}