Hanna Instruments

The BL983321 is a compact, panel mounted, process controller for measuring total dissolved solids (TDS) of a process stream that is within the 0.00 to 19.99 ppm (mg/L) range. The device features a large LCD with protective cover. Users may choose from automatic or manual dosing modes. When in automatic mode the dry contact relay is activated when a reading is above the set point. The relay can be used to activate a solenoid that switches from one DI (deionized) tank to another or to open a valve that will allow lower TDS water to flow into a tank being monitored in order to lower its TDS. The BL983321 can also be used to monitor the quality of water produced from ion exchange, reverse osmosis (RO) or distillation. *The BL983321 uses a 0.5 conversion factor in which 1.00 µS/cm = 0.50 ppm. Multicolor LED Indicator LED changes color based on status. Fire Retardant Casing For additional safety the controllers outer case is made of fire resistant plastic. Splash Resistant Cover A clear plastic cover protects the face panel from dirt and liquids.

The BL983321 is a compact, panel mounted, process controller for measuring total dissolved solids (TDS) of a process stream that is within the 0.00 to 19.99 ppm (mg/L) range. The device features a large LCD with protective cover. Users may choose from automatic or manual dosing modes. When in automatic mode the dry contact relay is activated when a reading is above the set point. The relay can be used to activate a solenoid that switches from one DI (deionized) tank to another or to open a valve that will allow lower TDS water to flow into a tank being monitored in order to lower its TDS. The BL983321 can also be used to monitor the quality of water produced from ion exchange, reverse osmosis (RO) or distillation. *The BL983321 uses a 0.5 conversion factor in which 1.00 µS/cm = 0.50 ppm. Multicolor LED Indicator LED changes color based on status. Fire Retardant Casing For additional safety the controllers outer case is made of fire resistant plastic. Splash Resistant Cover A clear plastic cover protects the face panel from dirt and liquids.

The BL983319 is a compact, panel mounted, process controller for measuring total dissolved solids (TDS) in a process stream that is within the 0 to 1999 ppm (mg/L) range. The device features a large LCD with protective cover. Users may choose from automatic or manual dosing modes. When in automatic mode the dry contact relay is activated when a reading is below the set point. The relay can be used to supply power to a dosing pump to add fertilizer to a nutrient solution in order to maintain an ideal concentration. *The BL983319 uses a 0.65 conversion factor in which 100 µS/cm = 65 ppm. Multicolor LED Indicator LED changes color based on status. Fire Retardant Casing For additional safety the controllers outer case is made of fire resistant plastic. Splash Resistant Cover A clear plastic cover protects the face panel from dirt and liquids.

The BL983319 is a compact, panel mounted, process controller for measuring total dissolved solids (TDS) in a process stream that is within the 0 to 1999 ppm (mg/L) range. The device features a large LCD with protective cover. Users may choose from automatic or manual dosing modes. When in automatic mode the dry contact relay is activated when a reading is below the set point. The relay can be used to supply power to a dosing pump to add fertilizer to a nutrient solution in order to maintain an ideal concentration. *The BL983319 uses a 0.65 conversion factor in which 100 µS/cm = 65 ppm. Multicolor LED Indicator LED changes color based on status. Fire Retardant Casing For additional safety the controllers outer case is made of fire resistant plastic. Splash Resistant Cover A clear plastic cover protects the face panel from dirt and liquids.

The BL983318 is a compact, panel mounted, process controller for measuring total dissolved solids (TDS) of a process stream. The device features a large LCD with protective cover. Users may choose from automatic or manual dosing modes. When in automatic mode the dry contact relay is activated when a reading is above the set point. The relay can be used to activate a solenoid valve to open and drain a tank (i.e. boiler bleed and feed) or add freshwater until the desired set point is reached. The BL983318 uses a 0.5 conversion factor in which 1.00 mS/cm = 0.50 ppt. The BL983318 can measure TDS from 0.00 to 10.00 ppt (g/L). Multicolor LED Indicator LED changes color based on status. Fire Retardant Casing For additional safety the controllers outer case is made of fire resistant plastic. Splash Resistant Cover A clear plastic cover protects the face panel from dirt and liquids.

The BL983317 is a compact, panel mounted, process controller for measuring conductivity of a process stream. The device features a large LCD with protective cover. Users may choose from automatic or manual dosing modes. When in automatic mode the dry contact relay is activated when a reading is below the set point. The relay can be used to activate a dosing pump to add chemical until the desired set point is reached. Chemicals that can be dosed include nutrient solutions. The BL983327 is a closely related product that has the same measurement range but has a relay that is activated when the reading is above the set point. Multicolor LED Indicator LED changes color based on status. Fire Retardant Casing For additional safety the controllers outer case is made of fire resistant plastic. Splash Resistant Cover A clear plastic cover protects the face panel from dirt and liquids.