{"product_id":"swimming-pool-controller-with-built-in-dosing-pumps-analog-outputs-and-in-line-mounting-kit","title":"Swimming Pool Controller with Built-in Dosing Pumps,  Analog Outputs and In-line Mounting Kit - BL121-10","description":"\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 24px 48px; margin: 0 0 48px;\"\u003e\n\u003cdiv style=\"flex: 1 1 260px; max-width: 440px; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1086\/9535\/5761\/files\/bl121-front.jpg\" alt=\"HI902C Angled\" loading=\"lazy\" style=\"display: block; max-width: 100%; height: auto; margin: 0 auto;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 340px; min-width: 0;\"\u003e\n\u003ch5 style=\"margin-top: 0;\"\u003eController Overview\u003c\/h5\u003e\n\u003ch4\u003eMultiple Configurations\u003c\/h4\u003e\n\u003cp\u003eThe controller is available in one of two configurations: an in-line model which allows for direct installation of the probe and chemical injection fittings into existing piping (BL120-10) or a panel mounted system with a bypass flow cell (BL120-20). The bypass\nflow cell allows for calibration and maintenance of the probe without having to stop the recirculation pump.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 24px 48px; margin: 0 0 48px; flex-direction: row-reverse;\"\u003e\n\u003cdiv style=\"flex: 1 1 260px; max-width: 440px; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1086\/9535\/5761\/files\/BL120-410_FlowCell.jpg\" alt=\"\" loading=\"lazy\" style=\"display: block; max-width: 100%; height: auto; margin: 0 auto;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 340px; min-width: 0;\"\u003e\n\u003ch4 style=\"margin-top: 0;\"\u003eDigital Combination Probe\u003c\/h4\u003e\n\u003cp\u003eThe HI1036-1802 is a digital probe that measures pH, ORP, and temperature. This probe also incorporates a\npotential matching pin. The pin is considered the “earth ground” connection and is used to prevent ground loop effects from causing\nerratic readings and damage to the system.\u003c\/p\u003e\n\u003ch5\u003eDosing \u0026amp; Control\u003c\/h5\u003e\n\u003ch4\u003ePeristaltic Dosing System\u003c\/h4\u003e\n\u003cp\u003eThe BL120 is equipped with two peristaltic dosing pumps with replaceable chemical resistant tubing. When using a diaphragm pump,\u003cbr\u003e\nchlorine gas formed from outgassing can collect in the pump head resulting in the pump losing its prime; the buildup of chlorine gas is\u003cbr\u003e\nnot a problem with peristaltic pumps that use rollers and tubing.\u003c\/p\u003e\n\u003ch4\u003eProportional Pump Control\u003c\/h4\u003e\n\u003cp\u003eThe BL120 features proportionally controlled dosing pumps. Based on the sensitivity of the process to chemical addition, these controllers\u003cbr\u003e\nallow the user to adjust a proportional band. This setting determines the amount of time that the pumps are dosing as a percentage of the\u003cbr\u003e\ndeviation from the set point allowing for very fine control in maintaining the desired set point.\u003c\/p\u003e\n\u003ch4\u003eAdjustable Flow Rate\u003c\/h4\u003e\n\u003cp\u003eThe flow rate from the dosing pumps is adjustable from 0.5 to 3.5L\/h. Larger bodies of water require more chemical to be dosed than\u003cbr\u003e\nsmall bodies since it takes more chemical to realize a change in the reading. The adjustable flow rate, like the proportional band, allows\u003cbr\u003e\nfor better control in maintaining a desired set point.\u003c\/p\u003e\n\u003ch4\u003eORP Dosing Consent\u003c\/h4\u003e\n\u003cp\u003eWith chlorine disinfection there is an inverse relationship between pH and ORP. As the pH level increases, the ORP level decreases. The\u003cbr\u003e\nBL120 utilizes a dosing consent feature that will not dose chlorine until the pH value is first corrected since it is possible to have a\u003cbr\u003e\nlow ORP value even though there is sufficient chlorine. The dosing consent feature prevents wastage of chemicals and avoids a higher than\u003cbr\u003e\nnecessary chlorine concentration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 24px 48px; margin: 0 0 48px;\"\u003e\n\u003cdiv style=\"flex: 1 1 260px; max-width: 440px; text-align: center;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1086\/9535\/5761\/files\/BL121-SCREENSHOTS.gif\" alt=\"BL121 Display\" loading=\"lazy\" style=\"display: block; max-width: 100%; height: auto; margin: 0 auto;\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 340px; min-width: 0;\"\u003e\n\u003ch5 style=\"margin-top: 0;\"\u003eConnections \u0026amp; Display\u003c\/h5\u003e\n\u003ch4\u003eCirculation Pump Monitoring\u003c\/h4\u003e\n\u003cp\u003eAn inline flow switch or a mechanical relay connected to the recirculation pump power source\nmay be connected to the hold input of the BL120. With no flow or when no power is applied to the recirculation pump, the hold\ncircuit disables the dosing pumps. This will prevent any dosing of chemical when there is no movement of water in the system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin: 0 0 48px;\"\u003e\n\u003ch4 style=\"margin-top: 0;\"\u003eMultifaceted Display\u003c\/h4\u003e\n\u003cp\u003eThe versatile display of the BL121 allows for three screen modes. The LCD can display all three parameters at one time, a 3-second cycle of single parameters, or a real-time plot screen with options for parameter selection, zooming, and log recall.\u003c\/p\u003e\n\u003ch4\u003eProgrammable Alarm System\u003c\/h4\u003e\n\u003cp\u003eHanna controllers allow users to\nenable or disable the low and high level of alarms for all\nparameters. When an alarm is activated, all dosing will stop.\nThe alarm system also offers overdosing protection if the value\nis not corrected within a specified time interval then the\nmeter will go into alarm status.\u003c\/p\u003e\n\u003ch4\u003eMulticolored LED Indicators\u003c\/h4\u003e\n\u003cp\u003eThe BL120 offers multiple LED\nindicators for status, servicing, and pump operation. The\nSTATUS LED changes color based on operational state; green when\nsetting are in range, yellow when user intervention is\nrequired, and red for problems. The SERVICE LED indicates any\nalarms and process errors experienced by the controller.\u003c\/p\u003e\n\u003ch5\u003eCommunication \u0026amp; Security\u003c\/h5\u003e\n\u003ch4\u003eAutomatic Logging\u003c\/h4\u003e\n\u003cp\u003eThe readings for each parameter are automatically logged every\u003cbr\u003e\n10 seconds. A new log is started each time the instrument is\u003cbr\u003e\ncalibrated or at the start of a new day. Logged data include pH,\u003cbr\u003e\nORP, and temperature values, last calibration data, setup\u003cbr\u003e\nconfiguration, and any event data. Each log is saved as a .csv file\u003cbr\u003e\nfor easy transfer.\u003c\/p\u003e\n\u003ch4\u003eUSB Connectivity\u003c\/h4\u003e\n\u003cp\u003eFor review and storage the users can easily transfer data to a\u003cbr\u003e\nPC using a flash drive and the USB port.\u003c\/p\u003e\n\u003ch4\u003ePassword Protection\u003c\/h4\u003e\n\u003cp\u003eHanna’s BL120 controller features a password protection solution\u003cbr\u003e\nthat offers restricted access to calibration, setup, and review of\u003cbr\u003e\nlogged data. The password can be set and enabled\/disabled during\u003cbr\u003e\ngeneral setup of the instrument.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eBL121-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eName\u003c\/td\u003e\n\u003ctd\u003eSwimming Pool Controller with Built-in Dosing Pumps, Analog Outputs and In-line Mounting Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Range\u003c\/td\u003e\n\u003ctd\u003e0.00 to 14.00 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Resolution\u003c\/td\u003e\n\u003ctd\u003e0.01 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Accuracy\u003c\/td\u003e\n\u003ctd\u003e±0.05 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Calibration\u003c\/td\u003e\n\u003ctd\u003epH buffer calibration: Automatic, two points (4.01, 7.01, 10.01 pH)\npH process calibration: Single point, adjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003epH Temperature Compensation\u003c\/td\u003e\n\u003ctd\u003eAutomatic -5.0 to 105.0 ºC (23.0 to 221.0 ºF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eORP Range\u003c\/td\u003e\n\u003ctd\u003e±2000 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eORP Resolution\u003c\/td\u003e\n\u003ctd\u003e1 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eORP Accuracy\u003c\/td\u003e\n\u003ctd\u003e±5 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e-5.0 to 105.0 ºC (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\u003e0.1 °C (0.1 ºF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Accuracy\u003c\/td\u003e\n\u003ctd\u003e±1 ºC (±1.8 ºF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDosing Control\u003c\/td\u003e\n\u003ctd\u003eProportional feed using adjustable set point and adjustable proportional band.\nDelay to start at power-on and overdosing protection using.\nOver feed safety timer.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConsent Relay\u003c\/td\u003e\n\u003ctd\u003epH dosing interlocked with ORP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAlarm Relay Set Point\u003c\/td\u003e\n\u003ctd\u003eHigh and Low with enable\/disable option for all parameters.\nAlarm is triggered for 5 consecutive readings over\/under threshold.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver Dosing Control\u003c\/td\u003e\n\u003ctd\u003eOver feed safety timer.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Ouput Signal\u003c\/td\u003e\n\u003ctd\u003e(BL122 only - 3) 4 to 20 mA, sourcing, configurable\nOutput impedance ≤ 500 Ohm Accuracy \u0026lt; 0.5 % FS\nGalvanically isolated up to 50 V relative to earth\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Input Signal\u003c\/td\u003e\n\u003ctd\u003eGalvanic isolated, powered contact type\nLow level in acid\/base tank (contact open)\nLow level in chlorine tank (contact open)\nHold input (contact open)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e10 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMulti-parameter Probe\u003c\/td\u003e\n\u003ctd\u003eHI1036-18XX (02, 05, 10, 15, 20 m of cable) pH\/ORP\/Temperature with matching pin combined digital probe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogging Type\u003c\/td\u003e\n\u003ctd\u003eAutomatic Log of measurements (pH, ORP, Temperature) and events: alarms, errors, power-failed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogging Memory\u003c\/td\u003e\n\u003ctd\u003e60 days logging with 10 s period (or 100 logs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGLP\u003c\/td\u003e\n\u003ctd\u003epH\/ORP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e100 - 240 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironment\u003c\/td\u003e\n\u003ctd\u003e0-50 ºC (32-122 ºF) Max 95% RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e245 x 188 x 55 mm (73 mm with pumps)\n9.6 x 7.4 x 2.2” (2.9” with pumps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1700 g (60 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eManuals\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/manuals.hannainst.com\/BL121-10\" target=\"_blank\" rel=\"noopener\"\u003eSwimming Pool Controller with Built-in Dosing Pumps, Analog Outputs and In-line Mounting Kit\u003c\/a\u003e\u003c\/p\u003e","brand":"Hanna Instruments","offers":[{"title":"Default Title","offer_id":67871162007921,"sku":"BL121-10","price":160555.5,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1086\/9535\/5761\/files\/bl121-front_ccb6b8f6-663d-466f-ab9a-2fac766aa4ce.jpg?v=1792645797","url":"https:\/\/hannainst.in\/products\/swimming-pool-controller-with-built-in-dosing-pumps-analog-outputs-and-in-line-mounting-kit","provider":"hanna","version":"1.0","type":"link"}