{"id":2031631813,"title":"HANNA BL931700-1 pH Mini Controller with 4-20 mA Recorder Output","handle":"bl931700-1","description":"\u003cp\u003eIt's easy to handle\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFire retardant casing\u003c\/li\u003e\n\u003cli\u003eSelectable overdose protection system\u003c\/li\u003e\n\u003cli\u003eSplash resistant cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe BL 931700 mini pH controller has been designed for easy. affordable installation in tight spaces to perform simple yet effective process control. Thanks to its compact size. the BL 931700 mini pH controller can be installed right next to tanks or vats.\u003c\/p\u003e\n\u003cp\u003eThis versatile controller is ideal for a wide variety of applications. such as textiles. papers. photographic solutions. plating baths. chemicals and water treatment.This\u003c\/p\u003e\n\u003cp\u003eBL 931700 is provided with a selectable set point for acid or basic dosage.\u003c\/p\u003e\n\u003cp\u003eMeasurements are directly taken from a pH electrode in the range from 0 to 14 with a 0.01 pH resolution. Accuracy is ensured by two point calibration. performed manually through trimmers on the front panel.\u003c\/p\u003e\n\u003cp\u003eUsers can choose automatic or manual dosing mode with a switch on the front panel. Manual control is particularly useful during maintenance operations. because \u003cbr\u003e it permits operators to enable or disable the dosing relay according to need. The overtime control system advises users when the relay is active for too long. helping to prevent overdosing.\u003c\/p\u003e\n\u003cp\u003eIn addition. this model features a 4-20 mA analog output for recorder connection.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e\u003cbr\u003eBL 931700-1 ( 115\/230V) are supplied with mounting brackets. transparent cover and instruction manual.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"tinymce-editor-image\" src=\"media\/image\/dim3.png\" alt=\"dim3\" width=\"186\" height=\"300\"\u003e\u003c\/p\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\"\u003e  Manual: \u003ca title=\"Download Product Manual\" href=\"http:\/\/www.hannainst.com\/manuals\/manBL_931700.pdf\" target=\"_blank\"\u003eDownload\u003c\/a\u003e\u003c\/p\u003e\n\u003ch4 style=\"font-size: 12px; margin: 0px; color: #222222; font-family: Tahoma. Arial. FreeSans. Helvetica. sans-serif; line-height: 18px; background-color: #f2f3f3;\"\u003eLiterature\u003c\/h4\u003e\n\u003cul style=\"margin: 0px 0px 10px; list-style: none; color: #222222; font-family: Tahoma. Arial. FreeSans. Helvetica. sans-serif; font-size: 12px; line-height: 18px; background-color: #f2f3f3;\"\u003e\n\u003cli style=\"border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: #d6d6d6; color: #666666; padding: 8px 15px 0px 10px;\"\u003e\n\u003ca style=\"color: #006699; text-decoration: none; font-weight: bold;\" href=\"http:\/\/www.hannainst.com\/literature\/litBL_SeriesCont.pdf\"\u003e\u003cimg src=\"http:\/\/www.hannainst.com\/images\/litBL_MiniCont.jpg\" alt=\"\" width=\"100px\"\u003e\u003c\/a\u003e\u003cbr\u003e\u003ca style=\"color: #006699; text-decoration: none; font-weight: bold;\" href=\"http:\/\/www.hannainst.com\/literature\/litBL_SeriesCont.pdf\"\u003eBL Series Mini Controllers\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\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\u003e \u003c\/td\u003e\n\u003ctd\u003e0.00 to 14.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\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\u003eAccuracy @ 25°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\u003eCalibration\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003emanual. 2 point. with offset and slope trimmers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDosing Relay\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003emax 2A (fuse protected). 250 Vac. 30 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDosing Selection\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eacid or alkaline\u003cbr\u003e\u003cstrong\u003econtact open\u003c\/strong\u003e=acid dosage=relay ON if measurement \u0026gt; set point \u003cstrong\u003econtact close\u003c\/strong\u003e=alkaline dosage=relay ON if measurement \u0026lt; set point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSetpoint\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eadjustable from 0.00 to 14.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvertime\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eadjustable. typically from 5 to approx. 30 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecorder Output\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e4-20 mA. accuracy ±0.20 mA. 500 Ohm max load\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\u003e\u003cspan style=\"font-size: small;\"\u003e2\u003c\/span\u003e\u003c\/sup\u003e Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eSee Chart\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e79 x 49 x 95 mm (3.1 x 1.9 x 3.7’’)\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\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","published_at":"2026-06-25T15:15:21+12:00","created_at":"2015-09-07T15:07:43+12:00","vendor":"Hanna Instruments","type":"Electrochemical","tags":["Category_Electrochemical","Manufacturer_Hanna Instruments","Type_pH \u0026 ORP Meters"],"price":41040,"price_min":41040,"price_max":41040,"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":5832157893,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"BL931700-1","requires_shipping":false,"taxable":true,"featured_image":null,"available":true,"name":"HANNA BL931700-1 pH Mini Controller with 4-20 mA Recorder Output","public_title":null,"options":["Default Title"],"price":41040,"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\/ph-miniregler-mit-schreiberausgang-12-v-10_1-1_2015.jpeg?v=1469854268","\/\/acornsci.co.nz\/cdn\/shop\/products\/dim251dfb345dec34_2015_62cc3feb-53a6-41ea-a7c6-903e193fdbfa.png?v=1468593737","\/\/acornsci.co.nz\/cdn\/shop\/products\/dim51dfb347ef6d6_2015_44644f07-c2cc-497d-9039-32e60b4a0729.png?v=1467968022"],"featured_image":"\/\/acornsci.co.nz\/cdn\/shop\/products\/ph-miniregler-mit-schreiberausgang-12-v-10_1-1_2015.jpeg?v=1469854268","options":["Title"],"media":[{"alt":"BL 931700-1 pH Mini Controller with 4-20 mA Recorder Output - Acorn Scientific","id":25251479651,"position":1,"preview_image":{"aspect_ratio":1.0,"height":500,"width":500,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/ph-miniregler-mit-schreiberausgang-12-v-10_1-1_2015.jpeg?v=1469854268"},"aspect_ratio":1.0,"height":500,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/ph-miniregler-mit-schreiberausgang-12-v-10_1-1_2015.jpeg?v=1469854268","width":500},{"alt":"BL 931700-1 pH Mini Controller with 4-20 mA Recorder Output - Acorn Scientific","id":25251512419,"position":2,"preview_image":{"aspect_ratio":0.879,"height":340,"width":299,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/dim251dfb345dec34_2015_62cc3feb-53a6-41ea-a7c6-903e193fdbfa.png?v=1468593737"},"aspect_ratio":0.879,"height":340,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/dim251dfb345dec34_2015_62cc3feb-53a6-41ea-a7c6-903e193fdbfa.png?v=1468593737","width":299},{"alt":"BL 931700-1 pH Mini Controller with 4-20 mA Recorder Output - Acorn Scientific","id":25251545187,"position":3,"preview_image":{"aspect_ratio":0.991,"height":351,"width":348,"src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/dim51dfb347ef6d6_2015_44644f07-c2cc-497d-9039-32e60b4a0729.png?v=1467968022"},"aspect_ratio":0.991,"height":351,"media_type":"image","src":"\/\/acornsci.co.nz\/cdn\/shop\/products\/dim51dfb347ef6d6_2015_44644f07-c2cc-497d-9039-32e60b4a0729.png?v=1467968022","width":348}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003cp\u003eIt's easy to handle\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFire retardant casing\u003c\/li\u003e\n\u003cli\u003eSelectable overdose protection system\u003c\/li\u003e\n\u003cli\u003eSplash resistant cover\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe BL 931700 mini pH controller has been designed for easy. affordable installation in tight spaces to perform simple yet effective process control. Thanks to its compact size. the BL 931700 mini pH controller can be installed right next to tanks or vats.\u003c\/p\u003e\n\u003cp\u003eThis versatile controller is ideal for a wide variety of applications. such as textiles. papers. photographic solutions. plating baths. chemicals and water treatment.This\u003c\/p\u003e\n\u003cp\u003eBL 931700 is provided with a selectable set point for acid or basic dosage.\u003c\/p\u003e\n\u003cp\u003eMeasurements are directly taken from a pH electrode in the range from 0 to 14 with a 0.01 pH resolution. Accuracy is ensured by two point calibration. performed manually through trimmers on the front panel.\u003c\/p\u003e\n\u003cp\u003eUsers can choose automatic or manual dosing mode with a switch on the front panel. Manual control is particularly useful during maintenance operations. because \u003cbr\u003e it permits operators to enable or disable the dosing relay according to need. The overtime control system advises users when the relay is active for too long. helping to prevent overdosing.\u003c\/p\u003e\n\u003cp\u003eIn addition. this model features a 4-20 mA analog output for recorder connection.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOrder Information:\u003c\/strong\u003e\u003cbr\u003eBL 931700-1 ( 115\/230V) are supplied with mounting brackets. transparent cover and instruction manual.\u003c\/p\u003e\n\u003cp\u003e\u003cimg class=\"tinymce-editor-image\" src=\"media\/image\/dim3.png\" alt=\"dim3\" width=\"186\" height=\"300\"\u003e\u003c\/p\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\"\u003e  Manual: \u003ca title=\"Download Product Manual\" href=\"http:\/\/www.hannainst.com\/manuals\/manBL_931700.pdf\" target=\"_blank\"\u003eDownload\u003c\/a\u003e\u003c\/p\u003e\n\u003ch4 style=\"font-size: 12px; margin: 0px; color: #222222; font-family: Tahoma. Arial. FreeSans. Helvetica. sans-serif; line-height: 18px; background-color: #f2f3f3;\"\u003eLiterature\u003c\/h4\u003e\n\u003cul style=\"margin: 0px 0px 10px; list-style: none; color: #222222; font-family: Tahoma. Arial. FreeSans. Helvetica. sans-serif; font-size: 12px; line-height: 18px; background-color: #f2f3f3;\"\u003e\n\u003cli style=\"border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: #d6d6d6; color: #666666; padding: 8px 15px 0px 10px;\"\u003e\n\u003ca style=\"color: #006699; text-decoration: none; font-weight: bold;\" href=\"http:\/\/www.hannainst.com\/literature\/litBL_SeriesCont.pdf\"\u003e\u003cimg src=\"http:\/\/www.hannainst.com\/images\/litBL_MiniCont.jpg\" alt=\"\" width=\"100px\"\u003e\u003c\/a\u003e\u003cbr\u003e\u003ca style=\"color: #006699; text-decoration: none; font-weight: bold;\" href=\"http:\/\/www.hannainst.com\/literature\/litBL_SeriesCont.pdf\"\u003eBL Series Mini Controllers\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\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\u003e \u003c\/td\u003e\n\u003ctd\u003e0.00 to 14.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\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\u003eAccuracy @ 25°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\u003eCalibration\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003emanual. 2 point. with offset and slope trimmers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDosing Relay\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003emax 2A (fuse protected). 250 Vac. 30 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDosing Selection\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eacid or alkaline\u003cbr\u003e\u003cstrong\u003econtact open\u003c\/strong\u003e=acid dosage=relay ON if measurement \u0026gt; set point \u003cstrong\u003econtact close\u003c\/strong\u003e=alkaline dosage=relay ON if measurement \u0026lt; set point\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSetpoint\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eadjustable from 0.00 to 14.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvertime\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eadjustable. typically from 5 to approx. 30 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecorder Output\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e4-20 mA. accuracy ±0.20 mA. 500 Ohm max load\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\u003e\u003cspan style=\"font-size: small;\"\u003e2\u003c\/span\u003e\u003c\/sup\u003e Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eSee Chart\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003e79 x 49 x 95 mm (3.1 x 1.9 x 3.7’’)\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\n\u003cp\u003e\u003cstrong\u003e \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e"}