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RRP: $2948.00

Hanna Instruments BL131 Chemical Dosing Controller

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0402035990

 

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NPP550 Pool Pump

CODE: HBL131

    The Hanna Instruments BL131 swimming pool controllers are automatic systems, specially designed to measure and control pH and free-chlorine levels.

    For BL131, three analog outputs are available that allow connection to an external chart recorder or datalogger to monitor any of the three measured parameters. The outputs are scalable, offering increased flexibility and better resolution as needed.

    Two built-in peristaltic dosing pumps with Proportional control
    • Manual control for pump priming
    • Overfeed protection using overtime safety timer
    • Resumes dosing on restart in case of power failure
    • Level input to stop control without reagents
    • Interlocked pH-ORP control (i.e. ORP control only runs when the pH set point has been reached)
    • External dosing
    • The controller has 2 relays that can be used to control larger external dispensing pumps, allowing the BL131 to be used in larger pools.
    • Air temperature sensor
    • Allows triggering an alarm if the air temperature is cold enough that there is a risk of water freezing in the pipes (e.g. hot tubs in winter with the circulation pump off)
    • Bidirectional control
    • User selectable logging interval
    • As pool settings normally do not change that quickly, minimize data management by choosing from a wide selection of logging intervals
    • Multicolored LED indicators for dosing, meter status and service
    • Real-time graph display
    • Programmable alarms
    • Password protection
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