{"id":1582184837,"title":"HANNA HI 9935-2 Industrial Grade pH \u0026 TDS Controller with Proportional Control of Fertilization","handle":"hi-9935-2","description":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv id=\"Product-Body\"\u003e\n\u003cp\u003eHI 9935 is a pH and TDS controller for fertilizer solution dosage in hydroponics.\u003cbr\u003eHI 9935 measures pH from 0 to 14 and TDS from 0 to 1999 mg\/L (ppm). Two separate set points can be adjusted from 4 to 7 pH and 900 to 1800 ppm (mg\/L). The relays are activated when the pH exceeds the set point or TDS falls below the desired value. Two pumps or electrovalves can be wired directly to the controller and be powered through the terminals. Independent proportional settings for pH and TDS can be adjusted from 0 to 90 seconds. 0 to 2.0 for pH and 0 to 400 mg\/L (ppm) for TDS. A matching pin\/ground probe can be connected to the appropriate terminals to extend electrode life and eliminate interference.\u003c\/p\u003e\n\u003cp\u003eHI 9935 provides for an alarm relay which is activated in several circumstances. These include when the pH is below the set points in the operator adjustable threshold of 0.5 to 2.5 pH. or similarly. TDS exceeding the set point by a value in the 50 to 450 mg\/L (ppm) range. The alarm also goes off if the pH and\/or TDS are not corrected within the operator determined time frame of 1 to 10 minutes. Moreover. the alarm configuration is switchable from a normally-closed to a normally-open state or turned off during maintenance. The fertilization status can be ascertained from a distance through dosage and alarm LED's.\u003c\/p\u003e\n\u003cp\u003eHI 9935 accepts pH electrodes with a BNC connector and TDS probes with a DIN connector.\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 9935 is supplied complete with instructions.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/www.hannainst.com\/images\/HI_9935Chart.jpg\" alt=\"\" data-mce-src=\"http:\/\/www.hannainst.com\/images\/HI_9935Chart.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv id=\"TabbedPanels1\" class=\"TabbedPanels\"\u003e\n\u003cul class=\"TabbedPanelsTabGroup\"\u003e\n\u003cli class=\"TabbedPanelsTab TabbedPanelsTabSelected\"\u003eSpecifications\u003c\/li\u003e\n\u003cli class=\"TabbedPanelsTab\"\u003eAccessories\u003c\/li\u003e\n\u003cli class=\"TabbedPanelsTab\"\u003eDownloads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"TabbedPanelsContentGroup\"\u003e\u003cdiv class=\"TabbedPanelsContent TabbedPanelsContentVisible\"\u003e\n\u003ctable class=\"spec_table mceItemTable\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003epH\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.00 to 14.00 pH\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eTDS\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0 to 1999 ppm (mg\/L)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003epH\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.01 pH\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eTDS\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e1 ppm (mg\/L)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy @ 20°C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003epH\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±0.02 pH\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eTDS\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±2% f.s.\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e10\u003csup\u003e12\u003c\/sup\u003e Ohm\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003ethrough \"OFFSET\" and \"SLOPE\" trimmers for pH. and “ZERO CAL” and “SLOPE CAL” for TDS\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSetpoint\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003efrom 4.0 to 7.0 pH and 900 to 1800 ppm (mg\/L)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Conversion\u003cbr\u003eFactor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.65 mg\/L (ppm) = 1 µS\/cm\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature\u003cbr\u003eCompensation (TDS)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eautomatic. 0 to 50°C (32 to 122°F) with ß = 2%\/°C\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProportional\u003cbr\u003eControl\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003etwo independent controls: pH from 0.0 to 2.0 and TDS from 0.0 to 400 ppm (mg\/L) with two separate time cycles from 0 to 90 seconds\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm Contact\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eterminals can be configured as normally open or normally closed (isolated output max. 2A. max. 240V. resistive load. 1.000.000 strokes). The alarm is activated if pH falls below the set point by the user selectable interval (0 to 2 pH).or TDS exceeds the set point by more than the user selectable interval (0 to 400 ppm) or due to overdosage\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDosing Terminals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003etwo sets of independent terminals (115 to 240V. max. 2A. 1.000.000 strokes) are activated whenever pH exceeds the pH set point and for the TDS falls below the TDS set point\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eany combination pH electrode with a universal BNC connector and HANNA TDS four-ring potentiometric probe with built-in temperature sensor and DIN connector (not included)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±10% 115 VAC or 230 VAC; 50\/60 Hz\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e-10 to 50°C (14 to 122°F); RH max 95% non-condensing\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCase Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003efiber-reinforced. self-extinguishing ABS\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e221 x 181 x 86 mm (8.7 x 7.1 x 3.4’’)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e1.6 kg (3.5 lb.)\u003c\/small\u003e\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\u003eSolutions\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%207004\/1L\" data-mce-href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%207004\/1L\"\u003eHI 7004\/1L\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4.01 pH Buffer Solution\u003cbr\u003e1 x 1 L bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%207007\/1L\" data-mce-href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%207007\/1L\"\u003eHI 7007\/1L\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e7.01 pH Buffer Solution\u003cbr\u003e1 x 1 L bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%2070442L\" data-mce-href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%2070442L\"\u003eHI 70442L\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e1500 mg\/L (ppm) TDS Solution. 500 mL Bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eProbes\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%203001D\" data-mce-href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%203001D\"\u003eHI 3001D\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eFlow-thru Conductivity Probe with DIN Connection and 3 m cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdiv\u003e\u003cstrong\u003eProduct Manuals\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/www.hannainst.com\/usa\/images\/icon-pdf.gif\" alt=\"\" width=\"20\" height=\"22\" align=\"absmiddle\" border=\"0\" data-mce-src=\"http:\/\/www.hannainst.com\/usa\/images\/icon-pdf.gif\"\u003e\u003cspan\u003e  Manual: \u003c\/span\u003e\u003ca title=\"Download Product Manual\" href=\"http:\/\/www.hannainst.com\/manuals\/manHI_9913_9923_9935.pdf\" target=\"_blank\" data-mce-href=\"http:\/\/www.hannainst.com\/manuals\/manHI_9913_9923_9935.pdf\"\u003eDownload\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e","published_at":"2026-06-25T15:55:28+12:00","created_at":"2015-09-01T15:18:25+12:00","vendor":"Hanna Instruments","type":"Lab Equipment","tags":["category_Other Accessories","Manufacturer_Hanna Instruments","Type_Lab Equipment"],"price":110200,"price_min":110200,"price_max":110200,"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":4857327749,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"HI 9935-2","requires_shipping":false,"taxable":true,"featured_image":null,"available":true,"name":"HANNA HI 9935-2 Industrial Grade pH \u0026 TDS Controller with Proportional Control of Fertilization","public_title":null,"options":["Default Title"],"price":110200,"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\/hi9935_200_2015.jpeg?v=1443495838"],"featured_image":"\/\/acornsci.co.nz\/cdn\/shop\/products\/hi9935_200_2015.jpeg?v=1443495838","options":["Title"],"media":[{"alt":"HANNA HI 9935-2 Industrial Grade pH \u0026 TDS Controller with Proportional Control of Fertilization - Acorn Scientific","id":21307523171,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/hi9935_200_2015.jpeg?v=1443495838"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/hi9935_200_2015.jpeg?v=1443495838","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cdiv id=\"Product-Body\"\u003e\n\u003cp\u003eHI 9935 is a pH and TDS controller for fertilizer solution dosage in hydroponics.\u003cbr\u003eHI 9935 measures pH from 0 to 14 and TDS from 0 to 1999 mg\/L (ppm). Two separate set points can be adjusted from 4 to 7 pH and 900 to 1800 ppm (mg\/L). The relays are activated when the pH exceeds the set point or TDS falls below the desired value. Two pumps or electrovalves can be wired directly to the controller and be powered through the terminals. Independent proportional settings for pH and TDS can be adjusted from 0 to 90 seconds. 0 to 2.0 for pH and 0 to 400 mg\/L (ppm) for TDS. A matching pin\/ground probe can be connected to the appropriate terminals to extend electrode life and eliminate interference.\u003c\/p\u003e\n\u003cp\u003eHI 9935 provides for an alarm relay which is activated in several circumstances. These include when the pH is below the set points in the operator adjustable threshold of 0.5 to 2.5 pH. or similarly. TDS exceeding the set point by a value in the 50 to 450 mg\/L (ppm) range. The alarm also goes off if the pH and\/or TDS are not corrected within the operator determined time frame of 1 to 10 minutes. Moreover. the alarm configuration is switchable from a normally-closed to a normally-open state or turned off during maintenance. The fertilization status can be ascertained from a distance through dosage and alarm LED's.\u003c\/p\u003e\n\u003cp\u003eHI 9935 accepts pH electrodes with a BNC connector and TDS probes with a DIN connector.\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 9935 is supplied complete with instructions.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/www.hannainst.com\/images\/HI_9935Chart.jpg\" alt=\"\" data-mce-src=\"http:\/\/www.hannainst.com\/images\/HI_9935Chart.jpg\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv id=\"TabbedPanels1\" class=\"TabbedPanels\"\u003e\n\u003cul class=\"TabbedPanelsTabGroup\"\u003e\n\u003cli class=\"TabbedPanelsTab TabbedPanelsTabSelected\"\u003eSpecifications\u003c\/li\u003e\n\u003cli class=\"TabbedPanelsTab\"\u003eAccessories\u003c\/li\u003e\n\u003cli class=\"TabbedPanelsTab\"\u003eDownloads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"TabbedPanelsContentGroup\"\u003e\u003cdiv class=\"TabbedPanelsContent TabbedPanelsContentVisible\"\u003e\n\u003ctable class=\"spec_table mceItemTable\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003epH\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.00 to 14.00 pH\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eTDS\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0 to 1999 ppm (mg\/L)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003epH\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.01 pH\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eTDS\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e1 ppm (mg\/L)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy @ 20°C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003epH\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±0.02 pH\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e\u003csmall\u003eTDS\u003c\/small\u003e\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±2% f.s.\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Impedance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e10\u003csup\u003e12\u003c\/sup\u003e Ohm\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003ethrough \"OFFSET\" and \"SLOPE\" trimmers for pH. and “ZERO CAL” and “SLOPE CAL” for TDS\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSetpoint\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003efrom 4.0 to 7.0 pH and 900 to 1800 ppm (mg\/L)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTDS Conversion\u003cbr\u003eFactor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e0.65 mg\/L (ppm) = 1 µS\/cm\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature\u003cbr\u003eCompensation (TDS)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eautomatic. 0 to 50°C (32 to 122°F) with ß = 2%\/°C\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProportional\u003cbr\u003eControl\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003etwo independent controls: pH from 0.0 to 2.0 and TDS from 0.0 to 400 ppm (mg\/L) with two separate time cycles from 0 to 90 seconds\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAlarm Contact\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eterminals can be configured as normally open or normally closed (isolated output max. 2A. max. 240V. resistive load. 1.000.000 strokes). The alarm is activated if pH falls below the set point by the user selectable interval (0 to 2 pH).or TDS exceeds the set point by more than the user selectable interval (0 to 400 ppm) or due to overdosage\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDosing Terminals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003etwo sets of independent terminals (115 to 240V. max. 2A. 1.000.000 strokes) are activated whenever pH exceeds the pH set point and for the TDS falls below the TDS set point\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProbe\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003eany combination pH electrode with a universal BNC connector and HANNA TDS four-ring potentiometric probe with built-in temperature sensor and DIN connector (not included)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e±10% 115 VAC or 230 VAC; 50\/60 Hz\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnvironment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e-10 to 50°C (14 to 122°F); RH max 95% non-condensing\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCase Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003efiber-reinforced. self-extinguishing ABS\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e221 x 181 x 86 mm (8.7 x 7.1 x 3.4’’)\u003c\/small\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e\u003csmall\u003e1.6 kg (3.5 lb.)\u003c\/small\u003e\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\u003eSolutions\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%207004\/1L\" data-mce-href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%207004\/1L\"\u003eHI 7004\/1L\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e4.01 pH Buffer Solution\u003cbr\u003e1 x 1 L bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%207007\/1L\" data-mce-href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%207007\/1L\"\u003eHI 7007\/1L\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e7.01 pH Buffer Solution\u003cbr\u003e1 x 1 L bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%2070442L\" data-mce-href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%2070442L\"\u003eHI 70442L\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e1500 mg\/L (ppm) TDS Solution. 500 mL Bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003cth\u003eProbes\u003c\/th\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%203001D\" data-mce-href=\"http:\/\/www.hannainst.com\/usa\/prods2.cfm?id=024009\u0026amp;ProdCode=HI%203001D\"\u003eHI 3001D\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eFlow-thru Conductivity Probe with DIN Connection and 3 m cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cdiv\u003e\u003cstrong\u003eProduct Manuals\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cimg src=\"http:\/\/www.hannainst.com\/usa\/images\/icon-pdf.gif\" alt=\"\" width=\"20\" height=\"22\" align=\"absmiddle\" border=\"0\" data-mce-src=\"http:\/\/www.hannainst.com\/usa\/images\/icon-pdf.gif\"\u003e\u003cspan\u003e  Manual: \u003c\/span\u003e\u003ca title=\"Download Product Manual\" href=\"http:\/\/www.hannainst.com\/manuals\/manHI_9913_9923_9935.pdf\" target=\"_blank\" data-mce-href=\"http:\/\/www.hannainst.com\/manuals\/manHI_9913_9923_9935.pdf\"\u003eDownload\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e"}