SKU: BL 122-20

Cloud Enabled Swimming Pool Controller with Built-in Dosing Pumps with Panel Mounted Flow Cell Kit




Disponible para entrega hasta en 90 días.


Control with Confidence

The BL120 Swimming Pool Controller is a complete system designed for maintaining swimming pool, hot tub, and spa disinfection water quality. The BL120 is available in two configurations. The basic version is the in-line model which allows for direct installation of probe and chemical injection fittings into existing piping. The other version is a panel mounted version with a bypass flow cell. The bypass flow cell allows for calibration and maintenance of the probe without having to shut down the recirculation pump. Additional features of the BL120 include LED indicators for dosing, meter status and service, real-time graph display, programmable alarms, and password protection.


Controller Overview

HI902C Angled

Multiple Configurations

The controller is available in one oftwo configurations: an in-line model which allows for directinstallation of the probe and chemical injection fittings into existingpiping (BL120-10) or a panel mounted system with a bypass flow cell (BL120-20). The bypassflow cell allows for calibration and maintenance of the probe withouthaving to stop the recirculation pump.

Digital Combination Probe

The HI1036-1802 is a digital probe thatmeasures pH, ORP, and temperature. This probe also incorporates apotential matching pin. The pin is considered the ?earth ground?connection and is used to prevent ground loop effects from causingerratic readings and damage to the system.


Dosing & Control


Peristaltic Dosing System

The BL120 is equipped with two peristaltic dosing pumps withreplaceable chemical resistant tubing. When using a diaphragm pump,chlorine gas formed from outgassing can collect in the pump headresulting in the pump losing its prime; the buildup of chlorine gas isnot a problem with peristaltic pumps that use rollers and tubing.

Proportional Pump Control

The BL120 features proportionally controlled dosing pumps. Based onthe sensitivity of the process to chemical addition, these controllersallow the user to adjust a proportional band. This setting determinesthe amount of time that the pumps are dosing as a percentage of thedeviation from the set point allowing for very fine control inmaintaining the desired set point.

Adjustable Flow Rate

The flow rate from the dosing pumps is adjustable from 0.5 to3.5L/h. Larger bodies of water require more chemical to be dosed thansmall bodies since it takes more chemical to realize a change in thereading. The adjustable flow rate, like the proportional band, allowsfor better control in maintaining a desired set point.

ORP Dosing Consent

With chlorine disinfection there is an inverse relationship betweenpH and ORP. As the pH level increases, the ORP level decreases. TheBL120 utilizes a dosing consent feature that will not dose chlorineuntil the pH value is first corrected since it is possible to have alow ORP value even though there is sufficient chlorine. The dosingconsent feature prevents wastage of chemicals and avoids a higher thannecessary chlorine concentration.


Connections & Display

BL121 DisplayBL121 Display

Circulation Pump Monitoring

An inline flow switch or amechanical relay connected to the recirculation pump power sourcemay be connected to the hold input of the BL120. With no flow orwhen no power is applied to the recirculation pump, the holdcircuit disables the dosing pumps. This will prevent any dosing ofchemical when there is no movement of water in the system.

Multifaceted Display

The versatile display of the BL121allows for three screen modes. The LCD can display all threeparameters at one time, a 3-second cycle of single parameters, or areal-time plot screen with options for parameter selection,zooming, and log recall.

Programmable Alarm System

Hanna controllers allow users toenable or disable the low and high level of alarms for allparameters. When an alarm is activated, all dosing will stop.The alarm system also offers overdosing protection if the valueis not corrected within a specified time interval then themeter will go into alarm status.

Multicolored LED Indicators

The BL120 offers multiple LEDindicators for status, servicing, and pump operation. TheSTATUS LED changes color based on operational state; green whensetting are in range, yellow when user intervention isrequired, and red for problems. The SERVICE LED indicates anyalarms and process errors experienced by the controller.


Communication & Security


Automatic Logging

The readings for each parameter are automatically logged every10 seconds. A new log is started each time the instrument iscalibrated or at the start of a new day. Logged data include pH,ORP, and temperature values, last calibration data, setupconfiguration, and any event data. Each log is saved as a .csv filefor easy transfer.

USB Connectivity

For review and storage the users can easily transfer data to aPC using a flash drive and the USB port.

Password Protection

Hanna?s BL120 controller features a password protection solutionthat offers restricted access to calibration, setup, and review oflogged data. The password can be set and enabled/disabled duringgeneral setup of the instrument.

Peso 3,54903 kg
Marca Pool Line
Brand PoolLine
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Especificación Detalle
Código de producto BL12x
Intervalo de pH 0.00 a 14.00 pH
Resolución de pH 0.01 pH
Exactitud de pH (@25°C/77°F) ±0.05 pH
Dosificación de pH Proporcional con punto de ajuste regulable y banda proporcional; retardo para comenzar el encendido y protección de sobredosificación
Intervalo de ORP ±2000 mV
Resolución de ORP 1 mV
Exactitud de ORP (@25°C/77°F) ±5 mV
Dosificación de ORP Proporcional con punto de ajuste regulable y banda proporcional; retardo para comenzar el encendido y protección de sobredosificación; dosificación de pH interconectado
Intervalo de temperatura -5.0 a 105.0°C (23.0 a 221.0°F)
Resolución de temperatura 0.1°C (0.1°F)
Exactitud de temperatura (@25°C/77°F) ±1°C (±1.8°F)
Compensación de temperatura automática, -5.0 a 105.0°C (23.0 a 221.0°F) para pH
Calibración Calibración con estándar de pH: automática, dos puntos (4.01, 7.01, 10.01 pH)

Calibración de proceso de pH: un punto, entrada manual

Control de la bomba Modos manual y automático; flujo ajustable de 0.5 a 3.5 L/h
Función de registro Registro automático de las mediciones de pH, ORP y temperatura, GLP y eventos incluidas alarmas, errores y fallas de energía; capacidad para 60 días con intervalos de muestreo de 10 segundos; todos los archivos .csv son trasferidos por medio de una memoria USB
Alarmas Alto y bajo con la opción de habilitar/deshabilitar para todos los parámetros; la alarma es activada cuando 5 lecturas consecutivas están por encima/debajo del umbral
Sistema de alarma Sistema de alerta intuitiva basado en LEDS; opciones de filtrado de alarma; control del relevador de alarma basado en la configuración del usuario
Protección con contraseña Las opciones de configuración, calibración y recuperación del registro están protegidas con contraseña
Conectividad USB
GLP Información de la calibración de pH/ORP incluyendo fecha y hora para los electrodos de pH/ORP
Salida del relevador de alarma SPDT 5A/230 VCA; activado por condiciones de alarma seleccionables de pH/ORP/temperatura
Salidas analógicas 4 a 20 mA, configurable; impedancia de salida ≤ 500 Ohm; exactitud < 0.5% de la escala completa; aislado galvánicamente hasta 50V con respecto a tierra
Entradas auxiliares Nivel bajo en el tanque de ácido/base (contacto abierto); nivel bajo en el tanque de cloro (contacto abierto); entrada de espera (contacto abierto)
Entrada de la sonda digital Entrada digital aislada galvánicamente HI1036-1802 sonda combinada de pH/ORP/temperatura/matching pun con conector DIN impermeable
Suministro de energía 100 — 240 VAC
Consumo de energía 10 VA
Condiciones ambientales 0 a 50°C (32-122°F); HR máx. 95% sin condensación
Dimensiones 245 x 188 x 55 mm (73 mm con bombas); 9.6 x 7.4 x 2.2” (2.9” con bombas)
Peso 1700 g (60 oz.)


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En HANNA® INSTRUMENTS contamos con un centro de Servicio Técnico autorizado donde usted podrá contar con la asesoría de Ingenieros capacitados que le brindarán los servicios de mantenimiento, reparación y validación de nuestros equipos.