Multiple Configurations BL13x swimming pool controllers are available in two configurations: · in-line, for direct probe installation and chemical injection fittings into existing piping · flow cell, for calibration and probe maintenance without having to shut down the recirculation pump For compliance monitoring, each of the BL13x family has a builtin datalogger. Measurement reading intervals can be set at 30s/1m/5m/15m/30m/1h, with a new log starting new each day or when the instrument is calibrated. Logged data include pH, ORP, and temperature values, last calibration data, setup configuration, and any event data. The BL13x swimming pool controller is an automatic system, but it is advisable that users check the controller and verify pH and free‑chlorine levels (in mg/L or ppm) in the pool using a portable colorimeter. Main Features • 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 BL13x 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 · Use the Hanna Cloud to update settings on the controller • 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 Main Benefits • All-in-one solution for automatic control of pH and chlorine levels • ORP (chlorine) dosing consent ensures pH value is correct before dosing Three Display Modes The versatile display of these controllers (BL131 and BL132 screens shown) allows for three display 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. 15 Process Instrumentation 15.17 www.hannainst.com | controllers
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