BL-121-10 Pool and Spa Controller

Hanna InstrumentsSKU: BL-121-10
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Description

The BL-121-10 Pool and Spa Controller offers automatic control of pH and Chlorine levels in swimming pools, hot tubs and spas. An inline system, it allows for direct installation of probe and chemical injection fittings into existing piping. Professional installation required.

BL-121 is a new high performance hygiene control system for swimming pools, hot tubs and spas. It combines quick and easy monitoring for pH, ORP and temperature together with automatic chlorine dosing.

The controller is available in two versions:



    • Inline system (BL-121-10) allows for direct installation of probe and chemical injection fitting into existing piping.

    • Optional bypass flow cell included (BL-121-20) - ease of maintenance enhanced by allowing calibration and maintenance of the probe without the need to shut down the recirculation pump


Key features:

Multi-coloured LED indicators for dosing
Meter status and service
USB Connectivity
Real-time graph display
Automatic logging
Programmable alarms
Password protection


 


     

    Specifications

    pH range:0.00 to 14.00pH

    pH Resolution: 0.01pH

    pH Accuracy (@25°C: +-0.05pH

    pH Calibration: pH buffer calibration automatic, two-point (4.01, 7.01, 10.01pH); pH process calibration: one-point, manual input

    pH Dosing: Proportional with adjustable set point and proportional band; delay to start at power-on and overdosing protection

    mV range: +-2000mV

    mV Resolution: 1mV

    mV Accuracy @ 25°C: +-5mV

    ORP (mV) calibration: one-point, manual input

    ORP Dosing: Proportional with adjustable set point and proportional band; delay to start at power-on and overdosing protection; pH dosing interlocked

    °C range: -5.0 to 105.0°C

    °C Resolution: 0.1°C°

    C Accuracy @25°C: +-1°C

    Temperature Compensation: automatic, -5.0 to 105.0°C for pH

    Pump control: Automatic and manual modes; adjustable flow rate from 0.5 to 3.5L/h

    Log feature: Automatic logging of pH, ORP, and temperature measurements, GLP and events including alarms, errors, and power failure; capacity for 60 days with 10 seconds sampling interval; all data.csv files are transferred by USB flash drive

    Alarms: High and low with enable/disable option for all parameters; alarm is triggered when 5 consecutive readings are over/under threshold

    Alarm System: Intuitive alert system based on LEDs; alarm filtering options; alarm relay control based on user set up

    Password Protection: Set up, calibration and log recall options features are password protected

    Storage interface: USB

    GLP: pH/ORP calibration information including date and time for pH/ORP sensors

    Alarm Relay Output (1): SPDT 5A/230 VAC; activated by pH/ORP/temperature selectable alarm conditions

    Analogue Outputs (3): 4 to 20mA, sourcing configurable; output impedance ≤ 500

    Ohm; accuracy < 0.5 % FS; galvanically isolated up to 50 V relative to earth ground

    Auxillary Inputs (2): Low level in acid/base tank (contact open); low level in chlorine tank (contact open); hold input (contact open)

    Digital Probe input (1): Galvanic isolated digital input HI-1036-1802 pH/ORP/temperature/matching pin combined probe with DIN waterproof connector

    Power supply:100-240 VAC

    Power consumption: 10 VA

    Environment: 0 to 50°C, max 95% RH non-condensing

    Dimensions: 245 x 188 x 55 mm (73mm with pumps)

    Weight: 1700g

     

    Sku:BL-121-10


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