{"id":1582177221,"title":"HANNA HI 981404N-02 pH \u0026 TDS Continuous Indicator","handle":"hi-981404n-02","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv id=\"Product-Body\"\u003e\n\u003cul\u003e\n\u003cli\u003eTwo parameters with a single instrument\u003c\/li\u003e\n\u003cli\u003eAdvanced electrode technology\u003c\/li\u003e\n\u003cli\u003eSimple \u003cspan id=\"x5nq93_1\" class=\"x5nq93\"\u003eoperation and maintenance\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupplied complete and ready to use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eHI 981404N-01 is ideal for agricultural. horticultural and hydroponics applications where pH and TDS levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors and displays the values of a solution on an easy to read set of LCD's.\u003c\/p\u003e\n\u003cp\u003eThe HI 1286 gel filled pH electrode is replaceable and the BNC connector is protected behind a waterproof sleeve. The unique design of the electrode guarantees greater clogging resistance in fertilizer solutions with high concentrations of phosphate. nitrate. etc. TDS measurements are performed using the 4-4-2 conversion factor of 0.7 so you do not need to convert the readings.\u003c\/p\u003e\n\u003cp\u003eThis model is equipped with a grounding bar to ensure highly accurate pH readings and longer electrode life.\u003c\/p\u003e\n\u003cp\u003eThe HI 981404N-01 is compact and easy to install and use making it ideal for all continuous \u003cspan id=\"x5nq93_2\" class=\"x5nq93\"\u003emonitoring applications\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e\u003cbr\u003eHI 981404N-01 (115V) and HI 981404N-02 (230V) are supplied complete with HI 1286 pH electrode. HI 7634 TDS probe. HI 1283 grounding bar. calibration solutions. screwdriver for calibration. 12 VDC adapter and instructions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS: \u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"TabbedPanels1\" class=\"TabbedPanels\"\u003e\n\u003cdiv class=\"TabbedPanelsContentGroup\"\u003e\n\u003cdiv class=\"TabbedPanelsContent TabbedPanelsContentVisible\"\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\u003e0.0 to 14.0 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTDS\u003c\/td\u003e\n\u003ctd\u003e0 to 1990 mg\/L (ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003e0.1 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTDS\u003c\/td\u003e\n\u003ctd\u003e10 mg\/L (ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy @ 20°C\u003c\/td\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003e±0.2 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTDS\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalibration\u003c\/td\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003emanual at one or two points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTDS\u003c\/td\u003e\n\u003ctd\u003emanual at one point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature\u003cbr\u003eCompensation\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eautomatic from 5 to 50°C (41 to 122°F) (TDS only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTDS Conversion Factor\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e0.7 ppm = 1 µS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbes\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eHI 1286 interchangeable pH electrode (included). HI 7634 TDS probe (fixed). HI 1283 grounding bar with 2 m (6.6’) cable (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"x5nq93_3\" class=\"x5nq93\"\u003ePower Supply\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e12 VDC adapter (included)\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 95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e165 x 110 x 35 mm (6.5 x 4.3 x 1.3”)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e300 g (10.6 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","published_at":"2026-06-25T16:09:24+12:00","created_at":"2015-09-01T15:17:12+12:00","vendor":"Hanna Instruments","type":"Electrochemical","tags":["Manufacturer_Hanna Instruments","Type_pH \u0026 ORP Meters"],"price":33100,"price_min":33100,"price_max":33100,"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":4857315973,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HI 981404N-02","requires_shipping":false,"taxable":true,"featured_image":null,"available":true,"name":"HANNA HI 981404N-02 pH \u0026 TDS Continuous Indicator","public_title":null,"options":["Default Title"],"price":33100,"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\/hi-981404n-200_2015.jpeg?v=1443495760"],"featured_image":"\/\/acornsci.co.nz\/cdn\/shop\/products\/hi-981404n-200_2015.jpeg?v=1443495760","options":["Title"],"media":[{"alt":"HANNA HI 981404N-02 pH \u0026 TDS Continuous Indicator - Acorn Scientific","id":21304180835,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/hi-981404n-200_2015.jpeg?v=1443495760"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/hi-981404n-200_2015.jpeg?v=1443495760","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv id=\"Product-Body\"\u003e\n\u003cul\u003e\n\u003cli\u003eTwo parameters with a single instrument\u003c\/li\u003e\n\u003cli\u003eAdvanced electrode technology\u003c\/li\u003e\n\u003cli\u003eSimple \u003cspan id=\"x5nq93_1\" class=\"x5nq93\"\u003eoperation and maintenance\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupplied complete and ready to use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eHI 981404N-01 is ideal for agricultural. horticultural and hydroponics applications where pH and TDS levels need to be continuously monitored for optimal plant growth. This instrument continuously monitors and displays the values of a solution on an easy to read set of LCD's.\u003c\/p\u003e\n\u003cp\u003eThe HI 1286 gel filled pH electrode is replaceable and the BNC connector is protected behind a waterproof sleeve. The unique design of the electrode guarantees greater clogging resistance in fertilizer solutions with high concentrations of phosphate. nitrate. etc. TDS measurements are performed using the 4-4-2 conversion factor of 0.7 so you do not need to convert the readings.\u003c\/p\u003e\n\u003cp\u003eThis model is equipped with a grounding bar to ensure highly accurate pH readings and longer electrode life.\u003c\/p\u003e\n\u003cp\u003eThe HI 981404N-01 is compact and easy to install and use making it ideal for all continuous \u003cspan id=\"x5nq93_2\" class=\"x5nq93\"\u003emonitoring applications\u003c\/span\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e\u003cbr\u003eHI 981404N-01 (115V) and HI 981404N-02 (230V) are supplied complete with HI 1286 pH electrode. HI 7634 TDS probe. HI 1283 grounding bar. calibration solutions. screwdriver for calibration. 12 VDC adapter and instructions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS: \u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"TabbedPanels1\" class=\"TabbedPanels\"\u003e\n\u003cdiv class=\"TabbedPanelsContentGroup\"\u003e\n\u003cdiv class=\"TabbedPanelsContent TabbedPanelsContentVisible\"\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\u003e0.0 to 14.0 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTDS\u003c\/td\u003e\n\u003ctd\u003e0 to 1990 mg\/L (ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003e0.1 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTDS\u003c\/td\u003e\n\u003ctd\u003e10 mg\/L (ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy @ 20°C\u003c\/td\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003e±0.2 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTDS\u003c\/td\u003e\n\u003ctd\u003e±2% F.S.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalibration\u003c\/td\u003e\n\u003ctd\u003epH\u003c\/td\u003e\n\u003ctd\u003emanual at one or two points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eTDS\u003c\/td\u003e\n\u003ctd\u003emanual at one point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature\u003cbr\u003eCompensation\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eautomatic from 5 to 50°C (41 to 122°F) (TDS only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTDS Conversion Factor\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e0.7 ppm = 1 µS\/cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProbes\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eHI 1286 interchangeable pH electrode (included). HI 7634 TDS probe (fixed). HI 1283 grounding bar with 2 m (6.6’) cable (included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan id=\"x5nq93_3\" class=\"x5nq93\"\u003ePower Supply\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e12 VDC adapter (included)\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 95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e165 x 110 x 35 mm (6.5 x 4.3 x 1.3”)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e300 g (10.6 oz.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e"}