{"id":1582167365,"title":"HANNA HI 8424 Portable pH\/ORP Meter with ATC and HOLD feature","handle":"hi8424","description":"\u003cul\u003e\n\u003cli style=\"text-align: justify;\"\u003eAutomatic calibration\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eAutomatic Temperature Compensation\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eAutomatic buffer recognition\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eThree standard buffer values\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eCalibration tags on LCD\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eLow battery indicator\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eAuto shut-off\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eHOLD function\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eºC and ºF measurements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eHI 8424 is one of the most popular pH meters on the market. This instrument is able to perform pH. ORP and temperature measurements with a high degree of accuracy and fast response.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eCalibration is automatic at one or two points with three memorized buffer values (pH 4.01. pH 7.01 and pH 10.01). Once the instrument has been calibrated. the buffer values used during calibration are displayed with tags on the LCD. This feature keeps users informed of the current calibration and helps to avoid taking measurements that are out of range.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eExchange the pH probe for an ORP probe to obtain ORP readings in the mV range.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eOrder Information\u003c\/strong\u003e : HI 8424 is supplied with HI 1230B pH electrode. HI 7662 temperature probe. HI 70004 pH 4.01 buffer solution sachet. HI 70007 pH 7.01 buffer solution sachet. HI 700661 electrode cleaning solution sachets (2). battery. protective case and instructions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification :\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"spec_table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003e-2.00 to 16.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eORP\u003c\/td\u003e\n\u003ctd\u003e±699.9 mV; ±1999 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e-20.0 to 120.0°C \/ -4.0 to 248.0°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eORP\u003c\/td\u003e\n\u003ctd\u003e0.1 mV; 1 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e0.1°C \/ 0.1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003e±0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eORP\u003c\/td\u003e\n\u003ctd\u003e±0.2 mV; ±1 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e±0.4°C \/ ±0.8°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalibration\u003c\/td\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003eautomatic. 1 or 2 point with 3 memorized buffer values (4.01. 7.01. 10.01)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eOffset\u003c\/td\u003e\n\u003ctd\u003e±1 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eSlope\u003c\/td\u003e\n\u003ctd\u003e75 to 110%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e10\u003csup\u003e12\u003c\/sup\u003e Ohm\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. -20 to 120°C (-4 to 248°F) or manual without temperature probe\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\u003eHI 1230B PEI body pH electrode with BNC connector and 1 m (3.3’) cable (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Probe\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eHI 7662 stainless steel temperatures probe with 1 m cable (included)\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\u003e9V \/ approximately 150 hours of continuous use; auto-off after 20 minutes of non-use or disabled (user-selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironment\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e0 to 50°C (32 to 122°F); RH max 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e164 x 76 x 45 mm (6.5 x 3.0 x 1.8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e180 g (6.3 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e","published_at":"2026-06-25T16:10:02+12:00","created_at":"2015-09-01T15:15:52+12:00","vendor":"Hanna Instruments","type":"Electrochemical","tags":["Manufacturer_Hanna Instruments","Type_Solutions"],"price":62750,"price_min":62750,"price_max":62750,"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":4857296773,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HI8424","requires_shipping":false,"taxable":true,"featured_image":null,"available":true,"name":"HANNA HI 8424 Portable pH\/ORP Meter with ATC and HOLD feature","public_title":null,"options":["Default Title"],"price":62750,"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\/hi8424_200_2015.jpeg?v=1443495661"],"featured_image":"\/\/acornsci.co.nz\/cdn\/shop\/products\/hi8424_200_2015.jpeg?v=1443495661","options":["Title"],"media":[{"alt":"HANNA HI 8424 Portable pH\/ORP Meter with ATC and HOLD feature - Acorn Scientific","id":21300117603,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/hi8424_200_2015.jpeg?v=1443495661"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/hi8424_200_2015.jpeg?v=1443495661","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cul\u003e\n\u003cli style=\"text-align: justify;\"\u003eAutomatic calibration\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eAutomatic Temperature Compensation\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eAutomatic buffer recognition\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eThree standard buffer values\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eCalibration tags on LCD\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eLow battery indicator\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eAuto shut-off\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eHOLD function\u003c\/li\u003e\n\u003cli style=\"text-align: justify;\"\u003eºC and ºF measurements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"text-align: justify;\"\u003e \u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eHI 8424 is one of the most popular pH meters on the market. This instrument is able to perform pH. ORP and temperature measurements with a high degree of accuracy and fast response.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eCalibration is automatic at one or two points with three memorized buffer values (pH 4.01. pH 7.01 and pH 10.01). Once the instrument has been calibrated. the buffer values used during calibration are displayed with tags on the LCD. This feature keeps users informed of the current calibration and helps to avoid taking measurements that are out of range.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003eExchange the pH probe for an ORP probe to obtain ORP readings in the mV range.\u003c\/p\u003e\n\u003cp style=\"text-align: justify;\"\u003e\u003cstrong\u003eOrder Information\u003c\/strong\u003e : HI 8424 is supplied with HI 1230B pH electrode. HI 7662 temperature probe. HI 70004 pH 4.01 buffer solution sachet. HI 70007 pH 7.01 buffer solution sachet. HI 700661 electrode cleaning solution sachets (2). battery. protective case and instructions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecification :\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"spec_table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRange\u003c\/td\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003e-2.00 to 16.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eORP\u003c\/td\u003e\n\u003ctd\u003e±699.9 mV; ±1999 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e-20.0 to 120.0°C \/ -4.0 to 248.0°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eORP\u003c\/td\u003e\n\u003ctd\u003e0.1 mV; 1 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e0.1°C \/ 0.1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003e±0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eORP\u003c\/td\u003e\n\u003ctd\u003e±0.2 mV; ±1 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTemperature\u003c\/td\u003e\n\u003ctd\u003e±0.4°C \/ ±0.8°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalibration\u003c\/td\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003eautomatic. 1 or 2 point with 3 memorized buffer values (4.01. 7.01. 10.01)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eOffset\u003c\/td\u003e\n\u003ctd\u003e±1 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eSlope\u003c\/td\u003e\n\u003ctd\u003e75 to 110%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e10\u003csup\u003e12\u003c\/sup\u003e Ohm\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. -20 to 120°C (-4 to 248°F) or manual without temperature probe\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\u003eHI 1230B PEI body pH electrode with BNC connector and 1 m (3.3’) cable (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Probe\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eHI 7662 stainless steel temperatures probe with 1 m cable (included)\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\u003e9V \/ approximately 150 hours of continuous use; auto-off after 20 minutes of non-use or disabled (user-selectable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironment\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e0 to 50°C (32 to 122°F); RH max 100%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e164 x 76 x 45 mm (6.5 x 3.0 x 1.8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e180 g (6.3 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e"}